AC Over Voltage/Under Voltage Relay

Description

Features: Microcontroller based design for consistent reliability with high accuracy Trip Voltage and time settings by dip switches Wide range in voltage and time settings Healthy, faulty trip indication by LED's Built in trip test facility to check healthiness of the unit Tamper Proof and Dust Proof by front polycorbonate cover High barrier with shrouded connectors for easy and safty terminations Application: Protection of capacitive bank Protection of feeders Protection of transformars, generators, and all voltage related protections Distribution boards TECHNICAL SPECIFICATION: Measuring inputs: 110V, 220VAC Auxillary voltage: 75 to 275VDC, 20 to 150VDC Frequency : 50Hz Input DC Voltage Burden : Less than 0.03W Auxillary burden: <5V Trip Voltage settings:For UV-20 to 95% of rated voltage in steps of 5% For OV-105 to 180% of rated voltage in steps of 5% Trip time setting: Instantanious <50 msec, 0.1 to 25.5 sec in steps of 0.1 sec Accuracy: Less than ±3% Output relay contacts: 2 C/O contacts Contact rating: 5A at 230V AC/30V DC Mounting Type: Flush mounting Enclosure: ABS plastic with front polycorbonate cover Case: 96X96X110 mm Panel Cutout: 91X91 mm ±0.5 mm Operating temp: -10° to +70°C