Protective Relays

Single-Function Relays

BE1 single-function relays for sync-check, voltage, power and excitation protection.

Sync-check for generator paralleling.

Voltage, power and loss-of-excitation relays.

Self-powered overcurrent and retrofit relays.

Model	Type	Key Feature
BE1-25	Sync-check relay	Generator paralleling
BE1-27 / BE1-59	Voltage relay	Under / overvoltage
BE1-32R / 32O/U	Directional power relay	Reverse power
BE1-40Q	Loss of excitation relay	Generator protection
BE1-47N	Negative sequence voltage relay	Phase protection
BE1-50/51	Overcurrent relays	Self-powered / retrofit

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