The OCR checker allows easy checking of the long time-delay trip, short
time-delay trip, instantaneous trip, ground fault trip functions and the pretrip alarm function of the OCR in the field.
Features
Long time delay trip pickup current
Long time delay trip pickup time
Short time delay trip pickup current
Short time delay trip pickup time
Instantaneous trip pickup current
MCR trip pickup current
Ground fault trip pickup current
Ground fault trip pickup time
Instantaneous trip operation
N-phase protection trip pickup current
Pre-trip alarm pickup current *2