Federal Pacific Electric USD-3 (LSI) Solid-State Overcurrent Relay
The FPE FPE-USD-3-CUD-30 is a microprocessor-based USD-3 (LSI) solid-state overcurrent relay providing LSI protection for Class 2810 Type H-3 and HL-3 air circuit breakers. Rated for 1200-3000 current range with factory-calibrated thumbwheel switches for precise setting adjustment.
Protection Features
Provides LSI overcurrent protection elements. USD-3 relay, LSI protection, CUD-30 sensor compatible, thumbwheel calibration. Compatible with Compatible with 3200A/4000A frames. Plug-in mounting for easy field replacement and testing.
Applications
Replacement or upgrade overcurrent relay for FPE Class 2810 H-3/HL-3 air circuit breakers with CUD-30 sensors.
