Features:
1. Three phase voltage protector, chronograph and counter are integrated into one relay.
2. It is equipped with protective functions for over voltage, under voltage, loss of phase, phase sequence and unbalanced three phase voltage.
3. No external power requires.
4. With useful functions: electricity delay, output test, etc.
5. The LCD can show the data for easy reading.
6. 2 rest module optional, manual and automatic.

Specification:
Model: JVR 800-2
Monitoring Circuit: L1, L2, L3
Rated voltage: 208-480V AC, 50/60Hz
: over voltage, under voltage, voltage unbalance, phase loss, phase sequence, 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 x 43 x 54mm/3.15 x 1.69 x 2.12inch
Mounting: suitable for 35mm rail
Weight: 129g

Package List:
1 x 3 Phase Voltage Monitoring Relay