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.
GE Vernova’s GL 310, GL 311 and GL 312 live tank circuit breakers for outdoor installation are designed for temperatures down to -60°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%.
GE Vernova’s GL 310, GL 311 and GL 312 live tank circuit breakers for outdoor installation are designed for temperatures down to -60°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 310, GL 311 and GL 312 live tank circuit breakers provide high reliability based in part on high quality components, including:
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.
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
| Breaker type | GL 310 F1/4031 P/ GL 310 F3/4031 P | GL 311 F1/4031 P/ GL 311 F3/4031 P | GL 312 F1/4031 P/ GL 312 F3/4031 P |
|---|---|---|---|
| Rated voltage | 100 kV | 123 kV | 145 kV |
| Rated frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Rated normal current | up to 3,150 A | up to 3,150 A | up to 3,150 A |
| Rated short-circuit breaking current | up to 40 kA | up to 40 kA | up to 40 kA |
| Rated short-circuit making current | 104 kA | 104 kA | 104 kA |
| Rated duration of short-circuit | 3 s | 3 s | 3 s |
| Opening time | 28 ms | 28 ms | 28 ms |
| Break time | 50 ms | 50 ms | 50ms |
| Closing time | ≤70 ms | ≤70 ms | ≤70 ms |
| Average ambient temperature* | -30 °C up to +40 °C | -30 °C up to +40 °C | -30 °C up to +40 °C |
| Design altitude* | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 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 | |||
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GE Vernova's GL 310 S, GL 311 S and GL 312 S live tank circuit breakers for outdoor installation are designed for temperatures down to -30 °C with pure SF₆. They feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest single-motion technology provides an optimum solution for applications within this range of minimum temperature.
GE Vernova's GL 310 S, GL 311 S and GL 312 S live tank circuit breakers for outdoor installation are designed for temperatures down to -30 °C with pure SF₆. They feature the latest technologies in interrupter chambers and spring-operated mechanisms. Our latest single-motion technology provides an optimum solution for applications within this range of minimum temperature.
GE Vernova's live tank circuit breakers meet the latest versions of national and international standards, such as IEC 62271-100. The entire development and production procedures are fully compliant with the latest ISO 9001, ISO 14001 and OHSAS 18001 quality standards.
The GL 310 S, GL 311 S, and GL 312 S live tank circuit breakers provide high reliability based on high quality components, including :
| Breaker type | GL 310 S | GL 311 S | GL 312 S |
|---|---|---|---|
| Rated voltage | 100 kV | 123 kV | 145 kV |
| Rated frequency | 50 Hz | 50 Hz | 50 Hz |
| Rated normal current | 3,150 A | 3,150 A | 3,150 A |
| Rated short-circuit breaking current | 40 kA | 40 kA | 40 kA |
| Rated short-circuit making current | 100 kA | 100 kA | 100 kA |
| Rated duration of short-circuit | 3 s | 3 s | 3 s |
| First Pole to clear factor | 1.3/1.5 | 1.3/1.5 | 1.3/1.5 |
| Opening time | 27-37 ms | 27-37 ms | 27-37 ms |
| Breaking time | 50-60 ms | 50-60 ms | 50-60 ms |
| Closing time | 70 ms | 70 ms | 70 ms |
| Average ambient temperature** | -30 °C up to +40 °C | -30 °C up to +40 °C | -30 °C up to +40 °C |
| Design altitude* | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. |
| Pollution level** | 25 mm/kV | 25 mm/kV | 25 mm/kV |
| * Standard values according to IEC. Higher design altitudes available on request | |||
| ** Other temperatures and pollution levels available on request | |||
GL 311 S/312 S – other phase center distance available on request
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GE Vernova’s GL 309g, 310g, GL 311g and GL 312g live tank circuit breakers for outdoor installation are designed for temperatures down to -30°C. These SF₆-free breakers use GE Vernova’s g³ to replace SF₆ as switching gas. They feature the latest technologies in interrupting chambers and spring-operated mechanisms. They are based on GE Vernova’s latest double motion technology which effectively reduces the needed opening energy.
GE Vernova’s GL 309g, 310g, GL 311g and GL 312g live tank circuit breakers for outdoor installation are designed for temperatures down to -30°C. These SF₆-free breakers use GE Vernova’s g³ to replace SF₆ as switching gas. They feature the latest technologies in interrupting chambers and spring-operated mechanisms. They are based on GE Vernova’s latest double motion technology which effectively reduces the needed opening energy.
The GL 3109g, GL 310g, GL 311g and GL 312g live tank circuit breakers provide high reliability based on high quality components, including:
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 standards.
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.
| Breaker type | GL 309g F3/4031 | GL 310g F3/4031 | GL 311g F3/4031 | GL 312g F3/4031 |
| Rated voltage | 72.5 kV | 100 kV | 123 kV | 145 kV |
| Rated frequency | 50 Hz | 50 Hz | 50 Hz | 50 Hz |
| Rated normal current | up to 3,150 A | up to 3,150 A | up to 3,150 A | up to 3,150 A |
| Rated short-circuit breaking current | up to 40 kA | up to 40 kA | up to 40 kA | up to 40 kA |
| Rated short-circuit making current | 104 kA | 104 kA | 104 kA | 104 kA |
| Rated duration of short-circuit | 3 s | 3 s | 3 s | 3 s |
| Opening time | 31 ms | 31 ms | 31 ms | 31 ms |
| Break time | 50 ms | 50 ms | 50 ms | 50 ms |
| Closing time | 100 ms | 100 ms | 100 ms | 100 ms |
| Average ambient temperature | -30 °C up to +40 °C | -30 °C up to +40 °C | -30 °C up to +40 °C | -30 °C up to +40 °C |
| Design altitude* | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. |
| * Standard values according to IEC; Higher design altitudes available on request | ||||
Other dimensions available on request.
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GE Vernova’s GL 308 and GL 309 live tank circuit breakers for outdoor installation are provided with third-generation self-blast interrupter chambers and spring-operated mechanisms. The field-proven interrupter chamber operates on the energy-optimized self-blast principle. This live tank circuit breaker provides a high level of reliability for customers, even under extreme conditions and climates or in highly active seismic areas.
GE Vernova’s GL 308 and GL 309 live tank circuit breakers for outdoor installation are provided with third-generation self-blast interrupter chambers and spring-operated mechanisms. The field-proven interrupter chamber operates on the energy-optimized self-blast principle. This live tank circuit breaker provides a high level of reliability for customers, even under extreme conditions and climates or in highly active seismic areas.
The GL 308 and GL 309 live tank circuit breakers provide high reliability based in part on high quality components, including:
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.
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.
| Breaker type | GL 308 F1/3120/ GL 308 F3/3120 | GL 308 F1/3120/ GL 308 F3/3120 | GL 309 F1/3120/ GL 309 F3/3120 | GL 309 F1/3120 /GL 309 F3/3120 |
|---|---|---|---|---|
| Rated voltage | 52 kV | 52 kV | 72.5 kV | 72.5 kV |
| Rated frequency | 50 Hz | 60 Hz | 50 Hz | 60 Hz |
| Rated normal current | up to 2,000 A | up to 2,000 A | up to 2,000 A | up to 2,000 A |
| Rated short-circuit breaking current | up to 31.5 kA | up to 25 kA | up to 31.5 kA | up to 25 kA |
| Rated short-circuit making current | 80 kA | 65 kA | 80 kA | 65 kA |
| Rated duration of short-circuit | 3 s | 3 s | 3 s | 3 s |
| Opening time | 38 ms | 38 ms | 38 ms | 38 ms |
| Breaking time | 50 ms | 50 ms | 50 ms | 50 ms |
| Closing time | ≤70 ms | ≤70 ms | ≤70 ms | ≤70 ms |
| Average ambient temperature* | -30 oC up to +40 oC | -30 oC up to +40 oC | -30 oC up to +40 oC | -30 oC up to +40 oC |
| Design altitude* | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. |
| * Standard values according to IEC; temperatures up to +70 oC and / or higher altitudes available on request | ||||
| Breaker type | GL 309 F1/4031 P |
|---|---|
| Rated voltage | 72.5 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-circuit | 3 s |
| Opening time | 29 ms |
| Breaking time | 50 ms |
| Closing time | ≤70 ms |
| Average ambient temperature* | -30 oC up to +40 oC |
| Design altitude* | 1,000 m.a.s.l. |
| * Standard values according to IEC; temperatures down to -40 oC up to +70 oC and / or higher altitudes available on request | |
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GE Vernova’s GL 107X live tank circuit breakers for outdoor installation are provided with third-generation self-blast interrupter chambers and spring-operated mechanisms. The field-proven interrupter chamber operates on the energy-optimized self-blast principle. This live tank circuit breaker provides a high level of reliability for customers, even under extreme conditions and climates or in highly active seismic areas.
GE Vernova’s GL 107X live tank circuit breakers for outdoor installation are provided with third-generation self-blast interrupter chambers and spring-operated mechanisms. The field-proven interrupter chamber operates on the energy-optimized self-blast principle. This live tank circuit breaker provides a high level of reliability for customers, even under extreme conditions and climates or in highly active seismic areas.
The GL 107X live tank circuit breaker provides high reliability based in part on high quality components, including:
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.
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.
| Breaker type | GL 107X F1/3120 | GL 107X F1/3120 | GL 107X F1/3120 |
|---|---|---|---|
| Rated voltage | 36 kV | 38 kV | 40.5 kV |
| Rated frequency | 50 Hz | 60 Hz | 50 Hz |
| Rated normal current | up to 2,000 A | up to 2,000 A | up to 2,000 A |
| Rated short-circuit breaking current | up to 31.5 kA | up to 25 kA | up to 31.5 kA |
| Rated short-circuit making current | 80 kA | 65 kA | 80 kA |
| Rated duation of short-circuit | 3 s | 3 s | 3 s |
| Opening time | 29 ms | 29 ms | 29 ms |
| Breaking time | 50 ms | 50 ms | 50 ms |
| Closing time | 58 ms | 58 ms | 58 ms |
| Average ambient temperature* | -30 oC up to +40 oC | -30 oC up to +40 oC | -30 oC up to +40 oC |
| Design altitude* | 1,000 m.a.s.l. | 1,000 m.a.s.l. | 1,000 m.a.s.l. |
| * Standard values according to IEC; temperatures up to +70 oC and / or higher altitudes available on request | |||
Your SF₆-free solution to reduce carbon footprint More and more electrical grid...
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The GL series is safer and more reliable that previous circuit breakers designs. It...
View More
Reliable, Economical and Easy-to-Use GE Vernova’s GL 315 and GL 315X live tank circuit...
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