Explore GE Vernova
Resource Library
Get access to curated content, tools, and useful resources to help you face all your grid challenges.
Access the library
Electrification Businesses
Electrification Software
Power Conversion
Solar & Storage Solutions
Product Lookup
Protection & Control Online Store (new window)
Protection & Control Support
Event Calendar
Protection & Control Press Room
  Support Documents
CFD High Speed Differential Relay - Legacy

CFD High Speed Differential Relay
Contact Us

Manufacturing for CFD has been discontinued. As an alternative, please refer to G30P346P243869 or 889.

Type CFD22B high-speed, product-restraint relays are designed to provide percentage-differential relaying protection for the larger and more important machines. They are recommended for generators rated 2000 kVA and above and for motors and synchronous condensers rated 3000 hp (or kVA) and above.

  • Generators, 2000 kVA and above