Description

Product Description：

The GEYA GRV8-SV voltage sensing relay, with its dual voltage protection, True RMS high-precision measurement, real-time LCD display, compact design, wide applicability, high durability, certified quality, and user-friendly features, is the ideal choice for protecting equipment from voltage fluctuations and ensuring stable system operation.

Applications：

Control for connection of moving equipment(site equipment,agricultural equipent,refrigerated trucks).
Normal/emergency power supply switching.

Function Features：

Controls its own supply voltage(True RMS measurement).
LCD display.
Measuring frequency range:45Hz-65Hz.
Voltage measurement accuracy<1%.
2-MODULE,DIN rail mounting.

Model	GRV8-SV

Function	Over voltage, under voltage
Rated supply voltage	AC/DC110V…240V
Rated supply frequency	45~65Hz,0Hz
Operation voltage range	50V~350V
Burden	AC max.3VA
Over voltage operation value	65V~300V,OFF
Under voltage operation value	OFF,65V~300V
Over/under voltage action delay	0.1s~20s
Power-up delay	0.5s~300s
Reset time	0.5s~300s
Measurement error	≤1%
Output	2×SPDT
Current rating	8A/AC1
Switching voltage	250VAC/24VDC
Electrical life(AC1)	1×10⁷
Mechanical life	1×10⁵
Operating temperature	-20℃ ~ +60℃
Storage temperature	-35℃ ~ +75℃
Mounting/DIN rail	Din rail EN/IEC 60715
Protection degree	IP40 for front panel/IP20 terminals
Operating position	any
Overvoltage cathegory	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	0.4Nm
Dimensions	8236 68mm
Weight	100g
Standards	EN 60255-1,IEC60947-5-1

Parameter setting

Parameter	Range	Step value	Factory settings
Over voltage value	65V~300V,OFF	1V	253V
Over voltage recovery value	60V~295V	1V	248V
Under voltage value	OFF,65V~300V	1V	187V
Under voltage recovery value	70V~305V	1V	192V
Voltage fault action time	0.1s~20s	0.1s	2s
Power on delay time	0.5s~300s	0.1s/1s	0.5s
Reset time	0.5s~300s	0.1s/1s	1s
Fault reset	ON-OFF	/	ON