1. This relay can monitor own working voltage (true RMS measurement).
2.Â 8 kinds of adjustable rated voltage.
3.Â Voltage measurement accuracy is not more than 1%.
4.Â Relay working status is indicated by LED indicators.
5.Â With super small volume, this relay can be mounted on 35mm DIN rail.
6.Â 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-N voltage (3-phase 4-wire system)
Monitoring terminal: L1-L2-L3-N
Rated working voltage: 127-132-138-220-230-240-254-265 (P-N)
Rated power frequency: 45Hz-65Hz
Measuring range: 101V-318V
Voltage threshold range: 2%-20% (rated voltage)
Voltage fixed lag rate: 2%
Voltage measurement error: Ã¢ÂÂ¤1%
Power-on delay time: 0.5s
Knob setting accuracy: 10%
Reset time: 1s
Temperature fluctuation error: 0.05%/ÃÂ°C, at=20ÃÂ°C
Output: 1 x SPDT; 10A/ AC1; 250VAC/24VDC
Minimum switching power: 500mW
Unbalanced voltage: 8%
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: Ã¢ÂÂ¤2000m
Weight: Approx. 76g/2.7oz
1 * Voltage Monitoring Relay