Available in both single or three pole operated design and tested according to international standards, our live tank circuit breaker portfolio ranges from 36 kV up to 1,100 kV.

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Live Tank Circuit Breakers
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Your SF₆-free solution to reduce carbon footprint

More and more electrical grid operators are taking action against climate change and are setting ambitious goals to cut their greenhouse gas emissions.

Benefiting from more than 50 years of expertise in SF₆ and ten years in SF₆-free technology, we innovate in developing a range of SF₆-free products suitable for all climates, including temperatures down to -50°C.

GL309c, GL310c, GL311c, GL312c

SF₆-free Live Tank Circuit Breakers From 72.5 kV to 145 kV down to -50 °C
Your SF₆-free solution to reduce carbon footprint

More and more electrical grid operators are taking action against climate change and are setting ambitious goals to cut their greenhouse gas emissions.

Benefiting from more than 50 years of expertise in SF₆ and ten years in SF₆-free technology, we innovate in developing a range of SF₆-free products suitable for all climates, including temperatures down to -50°C.

The GL series is safer and more reliable that previous circuit breakers designs. It offers a new generation of spring-spring operating mechanism that enables quick and easy onsite installation.

This range of Live Tank Circuit Breakers can be used everywhere in the energy field even in highly seismic, highly polluted and low temperature environments. The breakers benefit from single and three pole application and their low energy operation makes them a cost-effective option.

Live Tank Circuit Breakers up to 800 kV

The GL series is safer and more reliable that previous circuit breakers designs. It offers a new generation of spring-spring operating mechanism that enables quick and easy onsite installation.

This range of Live Tank Circuit Breakers can be used everywhere in the energy field even in highly seismic, highly polluted and low temperature environments. The breakers benefit from single and three pole application and their low energy operation makes them a cost-effective option.

GL 107X
GL 107X 

Live Tank Circuit Breaker from 36 kV up to 40.5 kV 

More Info GL 107X
GL 308 and GL 309
GL 308 and GL 309

Live Tank Circuit Breakers for 52 kV and 72.5 kV 

More Info GL 308 and GL 309
GL 309g, GL 310g, GL 311g and GL 312g
GL 309g, GL 310g, GL 311g and GL 312g

live tank circuit breakers from 72.5 kV up to 145 kV

More Info GL 309g, GL 310g, GL 311g and GL 312g
GL 309c, GL 310c, GL 311c and GL 312c
GL 309c, GL 310c, GL 311c and GL 312c

SF₆-free Live Tank Circuit Breakers 
From 72.5 kV to 145 kV down to -50 °C

More Info GL 309c, GL 310c, GL 311c and GL 312c
GL 310 S, GL 311 S and GL 312 S
GL 310 S, GL 311 S and GL 312 S

Live Tank Circuit Breakers from 100 kV to 145 kV
Down to -30 °C with pure SF₆

More Info GL 310 S, GL 311 S and GL 312 S
GL 310, GL 311 and GL 312
GL 310, GL 311 and GL 312

Live Tank Circuit Breakers from 100 kV to 145 kV
Down to -40 °C with pure SF₆ and - 60 °C with gas mixture

More Info GL 310, GL 311 and GL 312
GL 313
GL 313 

Live Tank Circuit Breaker from 145 kV up to 170 kV 

More Info GL 313
GL 314 and GL 314X
GL 314 and GL 314X 

Live Tank Circuit Breakers up to 245 kV and 300 kV 
 

More Info GL 314 and GL 314X
GL 314 BPS
GL 314 BPS

Live Tank Circuit Breaker By-Pass-Switch up to 245 kV 

More Info GL 314 BPS
GL 315 and GL 315X
GL 315 and GL 315X 

Live Tank Circuit Breakers up to 362 kV 

More Info GL 315 and GL 315X
GL 316 and GL 316X
GL 316 and GL 316X 

Live Tank Circuit Breakers up to 420 kV 

More Info GL 316 and GL 316X
GL 317 and GL 317X
GL 317 and GL 317X 

Live Tank Circuit Breakers up to 550 kV 

More Info GL 317 and GL 317X
GL 318 and GL 318X
GL 318 and GL 318X 

Live Tank Circuit Breakers up to 800 kV 

More Info GL 318 and GL 318X

Reliable, Economical and Easy-to-Use

GE Vernova’s GL 318 and GL 318X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

GL 318 / GL 318X

Live tank circuit breaker up to 800 kV

Reliable, Economical and Easy-to-Use

GE Vernova’s GL 318 and GL 318X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

High Quality Components

The GL 318 and GL 318X live tank circuit breakers provide high reliability based in part on high quality components, including:

  • Single pole operating design
  • Four self-blast Interrupter chambers and two spring mechanisms per pole
  • Spring mechanism FK3 equipped with a position indicator visible from outside
  • Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
  • Easy access to the SF₆ filling connection (type DILO)
  • Sealings suitable for temperatures down to -60 °C
  • Hot-dip galvanized steel parts and mechanism housings made completely of aluminum
Flexible Options
  • Standard low voltage equipment provided, additional equipment is available
  • Composite insulators are available
  • Seismic dampers for high seismic request can be provided
  • Pressure relief system for passive protection of both substation and personnel
  • RPH3 controller: Pont-on-wave tripping and closing relays
  • CBWatch: compact and modular circuit breaker monitoring solution
  • Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
Installation and Maintenance
  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing

The live tank circuit breakers meet the requirements of national and international standards.  This has been confirmed by comprehensive type tests according to the latest IEC standards.

Certified Quality

GE Vernova’s quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.

Specifications

Breaker Type GL 318 / GL 318DGL 318X / GL 318XD
Number of breaks / phase 44
Rated normal voltagekV800800
Rated normal current*A4,0005,500
Rated frequencyHz50/6050
Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device)   
- At power frequencykV830/1,150830/1,150
- At lightning impulse (1.2 / 50 µs wave)kV (peak)2,100/2,100 (+455)2,100/2,100 (+455)
- At switching impulsekV (peak)1,550/1,175 (+650)1,550/1,175 (+650)
Rated short-circuit breaking capacity   
-Periodic component (r.m.s. value)kA5063
First pole-to-clear factor 1.31.3
Peak short-circuit withstand currentkA (peak)137173
Rated line-charging capacitive switching Class C2Class C2
Mechanical endurance Class M2Class M2
Breaking timecycles2 - 2,32 - 2,3
* For other values, please contact Grid Solutions.

Drawings

Reliable, Economical and Easy-to-Use

GE Vernova’s GL 317 and GL 317X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

GL 317 / GL 317X

Live tank circuit breaker up to 550 kV

Reliable, Economical and Easy-to-Use

GE Vernova’s GL 317 and GL 317X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

High Quality Components

The GL 317 and GL 317X live tank circuit breakers provide high reliability based in part on high quality components, including:

  • Single pole operating design
  • Two self-blast Interrupter chambers per pole
  • Spring mechanism FK3 equipped with a position indicator visible from outside
  • Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
  • Easy access to the SF₆ filling connection (type DILO)
  • Sealings suitable for temperatures down to -60 °C
  • Hot-dip galvanized steel parts and mechanism housings made completely of aluminum
Flexible Options
  • Standard low voltage equipment provided, additional equipment is available
  • Composite insulators are available
  • Seismic dampers for high seismic request can be provided
  • Pressure relief system for passive protection of both substation and personnel
  • RPH3 controller: Pont-on-wave tripping and closing relays
  • CBWatch: compact and modular circuit breaker monitoring solution
  • Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
Installation and Maintenance
  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing

The live tank circuit breakers meet the requirements of national and international standards.  This has been confirmed by comprehensive type tests according to the latest IEC standards.

Certified Quality

GE Vernova’s quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.

Specifications

Breaker Type GL 317 / GL 317DGL 317X / GL 317XD
Number of breaks / phase 22
Rated normal voltagekV550550
Rated normal currentA4,0005,500
Rated frequencyHz50/6050
Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device)   
- At power frequencykV620/800620/800
- At lightning impulse (1.2 / 50 µs wave)kV (peak)1,550/1,550 (+315)1,550/1,550 (+315)
- At switching impulsekV (peak)1,175/900 (+450)1,175/900 (+450)
Rated short-circuit breaking capacity   
-Periodic component (r.m.s. value)kA5063
First pole-to-clear factor 1.31.3
Peak short-circuit withstand currentkA (peak)137173
Rated line-charging capacitive switching Class C2Class C2
Mechanical endurance Class M2Class M2
Breaking timecycles2 - 2,32 - 2,3
* For other value, please contact Grid Solutions. Grading capacitors should be removed depending on required performances.

Drawings

Reliable, Economical and Easy-to-Use

GE Vernova’s GL 316 and GL 316X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

GL 316 / GL 316X

Live tank circuit breakers up to 420 kV
Reliable, Economical and Easy-to-Use

GE Vernova’s GL 316 and GL 316X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

High Quality Components

The GL 316 and GL 316X live tank circuit breakers provide high reliability based in part on high quality components, including:

  • Single pole operating design
  • Two self-blast Interrupter chambers per pole
  • Spring mechanism FK3 equipped with a position indicator visible from outside
  • Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
  • Easy access to the SF₆ filling connection (type DILO)
  • Sealings suitable for temperatures down to -60 °C
  • Hot-dip galvanized steel parts and mechanism housings made completely of aluminum

Flexible Options

  • Standard low voltage equipment provided, additional equipment is available
  • Composite insulators are available
  • Seismic dampers for high seismic request can be provided
  • Pressure relief system for passive protection of both substation and personnel
  • RPH3 controller: Pont-on-wave tripping and closing relays
  • CBWatch: compact and modular circuit breaker monitoring solution
  • Closing resistors solutions (CL 315D) to limit high and damaging overvoltages
  • Grading capacitors depending on specifications

Installation and Maintenance

  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Disassembly of interrupter chamber without removal of entire pole column possible

Advanced Testing

The live tank circuit breakers meet the requirements of national and international standards.  This has been confirmed by comprehensive type tests according to the latest IEC standards.

Certified Quality

GE Vernova's quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.

Specifications
Breaker Type GL 316 / GL 316DGL 316X / GL 316XD
Number of breaks / phase 22
Rated normal voltagekV420420
Rated normal currentA4,0005,500
Rated frequencyHz50/6050
Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device)
- At power frequency
- At lightning impulse (1.2 / 50 µs wave)
- At switching impulse




kV
kV (peak)
kV (peak)

 




520/700
1,425/1,425 (+240)
1,050/900 (+345)




520/700
1,425/1,425 (+240)
1,050/900 (+345)
Rated short-circuit breaking capacity

-Periodic component (r.m.s. value)


kA


50


63
First pole-to-clear factor 1.31.3
Peak short-circuit withstand currentkA (peak)137173
Rated line-charging capacitive switching Class C2Class C2
Mechanical endurance Class M2Class M2
Breaking timecycles2 - 2,32 - 2,3
* For other values, please contact Grid Solutions.

Drawings

gl-316-drawing
Reliable, Economical and Easy-to-Use

GE Vernova’s GL 315 and GL 315X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

GL 315 / GL 315X

Live tank circuit breaker for 362 kV
Reliable, Economical and Easy-to-Use

GE Vernova’s GL 315 and GL 315X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

Flexible Options

  • Standard low voltage equipment provided, additional equipment is available
  • Composite insulators are available
  • Seismic dampers for high seismic request can be provided
  • Pressure relief system for passive protection of both substation and personnel
  • RPH3 controller: Pont-on-wave tripping and closing relays
  • CBWatch: compact and modular circuit breaker monitoring solution
  • Closing resistors solutions (CL 315D) to limit high and damaging overvoltages

Installation and Maintenance

  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Disassembly of interrupter chamber without removal of entire pole column possible

Advanced Testing

The live tank circuit breakers meet the requirements of national and international standards.  This has been confirmed by comprehensive type tests according to the latest IEC standards.

Certified Quality

GE Vernova's quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage circuit breakers. These systems ensure the high quality of the products and services, which are confirmed by regular audits.

Specifications
Breaker Type GL 315 / GL 3150GL 315X / GL 315XD
Number of breaks / phase 22
Rated normal voltagekV362362
Rated normal currentA4,0005,500
Rated frequencyHz50/6050
Rated dielectric withstand (up to 1,000 m)* (to earth / accross open device)

- At power frequency

- At lightning impulse (1.2 / 50 µs wave)

- At switching impulse




kV

kV (peak)

kV (peak)

 




450/520

1,175/1,175(+205)

950/800(+295)




450/520

1,175/1,175(+205)

950/800(+295)
Rated short-circuit breaking capacity

-Periodic component (r.m.s. value)


kA


50


63
First pole-to-clear factor 1.51.5
Peak short-circuit withstand currentkA (peak)137173
Rated line-charging capacitive switching Class C2Class C2
Mechanical endurance Class M2Class M2
Breaking timecycles2 - 2,32 - 2.3
* For other values, please contact us.

Drawings

gl-315-drawing

Fast Closing By-Pass Switch

GE Vernova’s GL 314 By-Pass Switch (BPS) is designed to close very fast and protect series capacitor banks in case of a fault in the overhead lines. It is equipped with excelled live tank circuit breaker technology such as the third-generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

GL 314 BPS

Live tank by-pass switch for series capacitor bank applications

Fast Closing By-Pass Switch

GE Vernova’s GL 314 By-Pass Switch (BPS) is designed to close very fast and protect series capacitor banks in case of a fault in the overhead lines. It is equipped with excelled live tank circuit breaker technology such as the third-generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

High Quality Components

The GL 314 BPS live tank circuit breaker provides high reliability based in part on high quality components, including:

  • Three pole operating design
  • One self-blast interrupting unit with guard rings at  upper and lower positions
  • Supporting column is composed of two to four insulators (depending on the voltage to ground/earth)
  • Spring mechanism FK3 equipped with a position indicator visible from the outside
  • Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
  • Easy access to the SF6 filling connection (type DILO)
  • Sealings suitable for temperatures down to -50 °C
  • Hot-dip galvanized steel parts and mechanism housing made completely of aluminum
Optional Components
  • Standard low voltage equipment provided, additional equipment is available
  • Composite insulators are available
  • Seismic dampers for high seismic request can be provided
  • Pressure relief system for passive protection of both substation and personnel
  • CBWatch: compact and modular circuit breaker monitoring solution
Installation and Maintenance
  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing

The by-pass switch meets the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest versions of IEC standards.

Certified Quality

GE Vernova's quality (ISO 9001:2008), environmental (ISO 14001:2004) and occupational health and safety (OHSAS 18001:2007) management systems determine the development and production procedures for the high voltage switches.

Specifications

TECHNICAL DATA*  
Network frequencyHz50 / 60

Insulation level

  • Up to 170 kV roted voltage across the by-pass switch
  • Up to 800 kV rated voltage to earth

 

kVp
kVp

 

750
2,100

Operating times

  • Rated closing time
  • Rated opening time

 

ms
ms

 

28 +/- 2
95

Rated making currentkAp120
Insertion currentA5,000
Insertion voltagekVp300

Cycles

  • With breaker open
  • With breaker closed
 

 

C - 0.2 s - OC - 15s
OC - 10s - OC

* Standard value, for other, please contact us

Drawings

Highly Reliable Performance

GE Vernova’s GL 314 and GL 314X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

GL 314 / GL 314X

Live tank circuit breaker for 245 / 300 kV

Highly Reliable Performance

GE Vernova’s GL 314 and GL 314X live tank circuit breakers for outdoor installation feature third generation self-blast interrupter chambers and spring-operated mechanisms (FK). These field–proven interrupter chambers operate on the energy optimized self-blast principle. The FK3 type mechanisms equip the entire range of circuit breakers with more than 180,000 references worldwide.

Customer Benefits

The GL 314 and GL 314X live tank circuit breaker provides high reliability based in part on high quality components, including:

  • Single pole or three pole operating design
  • Self-blast interrupter chambers
  • Spring mechanism FK3 equipped with a position indicator visible from the outside
  • Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
  • Easy access to the SF₆ filling connection (type DILO)
  • Sealings suitable for temperatures down to -60 °C
  • Hot-dip galvanized steel parts and mechanism housing made completely of aluminum
Optional Components
  • Standard low voltage equipment provided, additional equipment is available
  • Composite insulators are available
  • Seismic dampers for high seismic request can be provided
  • Pressure relief system for passive protection of both substation and personnel
  • RPH3 controller: Pont-on-wave tripping and closing relays
  • CBWatch: compact and modular circuit breaker monitoring solution
Installation and Maintenance
  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Pole units pre-filled with SF₆ at factory before shipping
  • Disassembly of interrupter chamber without removal of entire pole column possible
Advanced Testing

Our live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC and ANSI standards.

Certified Quality

The entire development and production procedures for our live tank circuit breakers are fully compliant with the latest ISO 9001, ISO 14001 and OHSAS 18001 quality standards. This ensures the high quality of our products and services, which is confirmed by regular audits.

Specifications

Breaker type* GL 314GL 314X
Number of breaks / phase

 

1

1

Rated normal voltage

kV

245 / 252

245

300
Rated normal current

A

4,400

4,000

Rated frequency

Hz

50

60

50

50

Rated dielectric withstand (up to 1,000 m)* (to earth / occross open device)

 

 

 

 

- At power frequency

kV

460/530

460/530

460/530

- At lightning impulse (1.2 / 50 µs wave)

kV (peak)

1,050/ 1,200

1,050/ 1,200

1,050/ 1,050(+170)

- At switching impulse

kV (peak)

N/A

N/A

850/700 (+245)

Roted short-circuit breaking capacity

- Periodic component (r.m.s. value)

kA

50

40

63

50

First pole-to-clear factor

 

1.3

1.5

1.3

1.3

Peak short-circuit withstand current

kA (peak)

137

110

173

137

Roted line-charging capac itive switching

 

Class C2

Class C2

Mechanical endurance

 

Class M 2

Class M2

Breaking time

cycles

2 - 2.3

2 - 2.3

* For other values, please contact us.

Drawings

Reliable Performance in Low Temperatures

GE Vernova’s GL 313 live tank circuit breaker for outdoor installation is designed for temperatures down to -55°C with gas mixture and -40°C with pure SF6, and feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest double motion technology effectively reduces the opening energy by approximately 65%. The GL 313 live tank circuit breaker provides a high level of reliability, even under extreme conditions and climates, or in highly active seismic areas.

GL 313

Live tank circuit breakers from 145 kV up to 170 kV

Reliable Performance in Low Temperatures

GE Vernova’s GL 313 live tank circuit breaker for outdoor installation is designed for temperatures down to -55°C with gas mixture and -40°C with pure SF6, and feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest double motion technology effectively reduces the opening energy by approximately 65%. The GL 313 live tank circuit breaker provides a high level of reliability, even under extreme conditions and climates, or in highly active seismic areas.

High Quality Components

The GL 313 live tank circuit breaker provides high reliability based in part on high quality components, including:

  • Interrupter chamber with integral double motion technology and self-blast system
  • Pressure relief system for passive protection of both substation and personnel
  • Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
  • Easy access to the SF6 filling connection (type DILO)
  • SF6 non-return (check) valve on each pole column
  • Protected opening springs inside each pole column
  • Hot-dip galvanized steel parts
  • Mechanism housing made completely of aluminum
  • Reliable spring-operated mechanism with position indicator clearly visible from outside
Installation and Maintenance
  • Preset at factory before shipping; no adjustments necessary during installation and commissioning
  • Pole units pre-filled with SF6 at factory before shipping
  • Independent disassembly of the interrupter chamber without having to remove the entire pole column
Testing

Our live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC and ANSI standards.

Quality

The entire development and production procedures for our live tank circuit breakers are fully compliant with the latest ISO 9001 ISO 14001 and OHSAS 18001 quality standards. This ensures the high quality of our products and services, which is confirmed by regular audits.

Specifications

Breaker typeGL 313 F1/4031 P / GL 313 F3/4031 P
Rated voltage                                170 kV
Rated frequency 50/60 Hz
Rated normal current up to 3,150 A
Rated short circuit breaking current up to 40 kA
Rated short circuit making current 104 kA
Rated duration of short circuit3 s
Opening time                28 ms
Break time 50 ms
Closing time           ≤70 ms
Average ambient temperature *-30 °C up to +40 °C
Design altitude **1,000 m.a.s.l.
* Standard values according to IEC; temperatures down to -55 °C up to +70 °C and/or higher design altitudes available on request.

Drawings