Description

Applications：

Product is used for highly fluctuating inductive load such as Air.
Conditioning system inIndustrial and commercial establishments.
lt protects the system equipment and load from sudden under voltage fuctuations.

Reliable Protection: Shields motors, air conditioning systems, and other inductive loads from harmful under voltage conditions.
True RMS Measurement: Delivers precise voltage monitoring, even in environments with harmonics or distorted waveforms.
Wide Compatibility: Functions across a 45Hz to 65Hz frequency range, adaptable to diverse power systems.
High Precision: Offers voltage measurement accuracy of less than 1% for consistent performance.
User-Friendly Design: Features an LED status indicator and a compact 1-MODULE format for easy DIN rail mounting.

Item	GRV8-1UVR Single Phase Undervoltage Relay
Function	Under voltage
Monitoring terminials	L-N
Supply terminals	L-N
Rated supply voltage(Un)	220V/230V/240V
Rated supply frequency	45Hz-65Hz
Under voltage threshold	R:fixed 75% of Un
Trip delay time(Tu)	0.1s
Hysteresis	5V
Measurement error	≤1%
Power on delay time(Td)	Adjustable: 5min-15min
Recovery delay time(Tr)	Adjustable: 5min-15min
Konb setting accuracy	10% of scale value
Supply indication	green LED
Output indication	red LED
Output	1×SPDT
Current rating	10A/AC1
Switching voltage	250VAC/24VDC
Mechanical life	1*10⁷
Electrical life(AC1)	1*10⁵
Operating temperature	-20℃ to +55℃（-4℉ to 131℉）
Storage temperature	-35℃ to +75℃（-22℉ to 158℉）
Mounting/DIN rail	Din rail EN/IEC 60715
Protection degree	IP40 for front panel/IP20 terminals
Operating position	any
Overvoltage category	III
Pollution degree	2
Max.Cable size(mm²）	solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12)
Tightening torque	0.8Nm
Dimensions	90×18×64mm
Weight	63g,65g
Standards	EN 60255-1,IEC60947-5-1