Relays
Relay
GRV8-03 Function: Phase Sequence Phase Failure
GRV8-04 Function: Over voltage 2%-20% Undervoltage -20%-2% Delay Time 0.1s-10s Phase Sequence Phase Failure
GRV8-05 Function: Over voltage 2%-20% Undervoltage -20%-2% Asymmetry 8% Delay Time 0.1s-10s Phase Sequence Phase Failure GRV8-06 Function: Over voltage 2%-20% Undervoltage -20%-2% Asymmetry 5%~15% Delay Time 2s Phase Sequence Phase Failure
GRV8-07 Function: Asymmetry 8% Delay Time 2s Phase Sequence Phase Failure GRV8-08 Function: Over voltage 15% Undervoltage -15% Asymmetry 8% Delay Time 2s Phase Sequence Phase Failure
3Phase 3Wire=M460 Voltage Range: 220V-230V-240V-380V-400V-415V-440V-460VAC(P-P)
3Phase 4Wire=M265 Voltage Range: 127V-132V-138V-220V-230V-240V-254V-265VAC(P-N)
GRV8-03/04/05/06/07/08 M460/M265 : 10A 1SPDT (1NO1NC)GRV8-03D/04D/05D/06D/07D/08D M460/M265: 8A 2SPDT(2NO2NC)
General
Applications
-Control for connection of moving equipment(site equipment agricultural
equipent refrigerated trucks).
-Control for protection of persons and equipment against the consequences
of reverse running.
-Normal/emergency power supply switching.
-Protection against the risk of a driving load(phase failure).
Function Features
-Controls its own supply voltage(True RMS measurement).
-Set 8-level rated operating voltage through knob.
- Measuring frequency range:45Hz-65Hz.
- Relay status is indicated by LED.
- 1-MODULE DIN rail mounting.
HOW TO CHOOSE THE MODEL
Product Code
Over Voltage
Under Voltage
Asymmetry
Delay Time
Phase Sequence
Phase Failure
GRV8-03
/
/
/
/
YES
YES
GRV8-04
2%~20%
-20%~2%
/
0.1s~10s
YES
YES
GRV8-05
2%~20%
-20%~2%
8%
0.1s~10s
YES
YES
GRV8-06
2%~20%
-20%~2%
5%~15%
2s
YES
YES
GRV8-07
/
/