Voltage monitoring relay, practical protection, to protect equipment from reverse operation

Features:

1. This relay can monitor its own operating voltage (true RMS measurement).
2. 8 adjustable rated voltage types.
3. Voltage measurement accuracy is no more than 1%.
4. The relay's operating status is indicated by LED indicators.
5. With its very small size, this relay can be mounted on a 35 mm DIN rail.

Specifications:

Features:
1. This relay can monitor its own operating voltage (true RMS measurement).
2. 8 adjustable rated voltage types.
3. Voltage measurement accuracy is no more than 1%.
4. The relay's operating status is indicated by LED indicators.
5. With its very small size, this relay can be mounted on a 35 mm DIN rail. 6. Application: Protection and control of equipment (tower crane, elevator, agricultural equipment, refrigerated trucks); Protects equipment against reverse operation; Normal/emergency power switch; Protects against phase failures of a dynamic load.

Specification:
Function: LN voltage monitoring (4-wire three-phase system)
Monitoring terminals: L1-L2-L3-N
Power: L1-N
Rated operating voltage: 127-132-138-220-230-240-254-265 (PN)
Rated power frequency: 45Hz-65Hz
Measuring range: 101V-318V
Voltage threshold range: 2%-20% (nominal voltage)
Fixed voltage offset rate: 2%
Voltage measurement error: ≤1%
Power-up delay: 0.5s
Twist adjustment accuracy: 10%
Reset time: 1s
Temperature fluctuation error: 0.05%/°C, at 20°C
Output: 1 x SPDT; 10A/CA1; 250VAC/24VDC
Minimum switching power: 500mW
Overvoltage: 2% to 20%
Undervoltage: -20% to 2%
Action delay time: 0.1 to 10s adjustable
Phase sequence protection: Yes
Phase failure protection: Yes
Power indicator: Green LED
Output relay indication: Red LED
Mechanical life: 1 x 10⁷
Mounting method: Mounting on 35mm DIN rail
Mounting altitude: ≤ 2000m
Weight: approx. 76g/2.7oz

Package list:
1 * voltage monitoring relay