1. This relay can monitor own working voltage (true RMS measurement).
2. 8 kinds of adjustable rated voltage.
3. Voltage measurement accuracy is not more than 1%.
4. Relay working status is indicated by LED indicators.
5. With super small volume, this relay can be mounted on 35mm DIN rail.
Application: Equipment protection and control(tower crane, elevator, agriculture equipment, refrigerated trucks); Protect equipment from reverse running; Normal/emergency power supply switch; Protect against phase failure of a dynamic load.
Function: Monitor L-L voltage (3-phase 3-wire system)
Monitoring terminal: L1-L2-L3
Power: L1-L2
Rated working voltage: 220-230-240-380-400-415-440-460(P-P)
Rated power frequency: 45Hz-65Hz
Measuring range: 176V-552V
Voltage threshold range: 2%-20% (rated voltage)
Voltage fixed lag rate: 2%
Voltage measurement error: less than equal 1%
Power-on delay time: 0.5s
Knob setting accuracy: 10%
Reset time: 1s
Temperature fluctuation error: 0.05%/°C, at=20°C
Output: 1 x SPDT; 10A/ AC1; 250VAC/24VDC
Minimum switching power: 500mW
Overvoltage: 2%-20%
Undervoltage: -20%-2%
Action delay time: 0.1-10s adjustable
Phase sequence protection: Yes
Phase failure protection: Yes
Power indicator: Green LED
Output relay indication: Red LED
Mechanical life: 1x107
Mounting method: 35mm DIN rail mounting
Mount altitude: less than equal 2000m
Weight: Approx. 78g/2.7oz
size:95*18*64mm
colour:white
Material:plastic
Package Contents:
1 * Voltage Monitoring Relay
1 * Instructions