• Prok Devices Private Limited

Numeric Over/Under Voltage Relay

Prok Devices Private Limited offers Numeric Over and Under Voltage Relay. Prok’s digital microcontroller based numerical IDMT/definite time/instantaneous (low set/high set) over voltage (OV) under voltage (UV) relay with negative sequence protection offers reliable and flexible solutions for the protection of plants and feeders. Features: incorporates IDMT characteristics, definite time characteristics and high speed features for over voltage (OV) and under voltage (UV) settings; user friendly selection features for over voltage (OV) and under voltage (UV) settings; an alphanumeric 2 line 16-characters, LCD display with membrane key pads for entering and changing parameters by user; over voltage (OV), under voltage (UV) relay trip indications are provided using LEDs; the auxiliary supply is provided by switched mode power supply with input voltage either AC or DC with wide range from 85-275 V AC/DC; and in case of AC the power supply is designed to operate from 45 Hz to 65 Hz.