Over Voltage Protection Three Phase Voltage Monitoring Relay For Control Cabinet

Over Voltage Protection Three Phase Voltage Monitoring Relay For Control Cabinet

♦ Features
-- Compact modular 43mm housing
-- Microprocessor technology provides highly accurate and repeatable protection
-- Built-in LCD and keypad afford a precise digital setting
-- Adjustable over- and undervoltage,phase unbalance threshold
-- Independent adjustable delay time for overvoltage, undervoltage, voltage unbalance,
phase loss and phase sequence
-- Adjustable reset method:automatic reset or manual reset
-- Start delay(power-on delay)
-- Test trip with test button
-- 1 NO & 1CO contacts
-- with Timer and Counter for runing and faults

Model JVR800-2

Measuring circuit L1,L2,L3

Rated voltage 208~480VAC,50/60Hz

Monitoring functions phase sequence, phase loss, overvolatege, undervoltage,voltage unbalance, timer, counter

Overvoltage setting range 200-600V

Undervoltage setting range 150-500V

Voltage hysteresis 1-20V

Delay time for overvoltage and undervoltage 0.1-30s

voltage unbalance ratio 1-50%

voltage unbalance hysteresis 1-10%

voltage unbalance delay time 0.1-30s

Delay time for phase loss 0.1-30s

Delay time for phase sequence 0.1-30s

Start delay time 0-999s

Auto reset mode ON/OFF

Auto reset time 0.1-999s

Timer and counter input AC/DC 80-450V

Indicators LCD indicating voltage,current,operation status

Output contacts 1 C/O,1NC

Contact capacity 6A ,250VAC

Dimensions (H x W x D) 80×43×54mm

Mounting DIN rail