GE HIGH IMPEDANCE DIFFERENTIAL RELAY VOLTS (CONTINUOUS) 150 60 HZ INSTRUTIONS GEK-45405 PARTS BULLETIN GEF-4543 87L CALIBRATION CLOCKWISE HIGH 200-275-390-500 VOLTS 87L CALIBRATION CLOCKWISE LOW 75-110-170-220 VOLTS 87L VOLTAGE RANGE HIGH 200 TO 500 V. LOW 75 TO 220 V.87H CURRENT RANGE HIGH 50 AMPS MAX. LOW 2 AMPS MIN. CAT# 12PVD21B1A
12PVD21B1A Relay by General Electric