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GEYA GRV8-22 Voltage Frequency protection Relay 3 Phase Over Voltage and Under Voltage protection Din Rail Mounting Type Relay

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Product Description

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Applications -Control for connection of moving equipment(site equipment,agricultural equipent,refrigerated trucks). -Control for protection of persons and equipment against the consequences of reverse running. -Normal/emergency power supply switching. -Protection against the risk of a driving load(phase failure). Function Features -Controls its own supply voltage(True RMS measurement). -Set 8-level rated operating voltage through knob. - Measuring frequency range:45Hz-65Hz. - Voltage measurement accuracy<1%. - Relay status is indicated by LED. - 1-MODULE,DIN rail mounting.

Technical parameters	3P3W	3P4W
Function	Monitoring 3-phase voltage
Monitoring terminials	L1-L2-L3	L1-L2-L3-N
Supply terminals	L1-L2 L1-L2
Voltage range	380-400-415-440-480 (P-P)	220-230-240-254-277 (P-N)
Rated supply frequency	45Hz-65Hz
Measuring range	260V-600V	150V-350V
Threshold adjustment voltage	2%-25% of Un selected
Adjustment of asymmetry threshold	5%-20%
Hysteresis	2%
Phase failure value	70% of Un selected	70% of Un selected
Time delay	Adjustable 0.1s-10s,10%
Measurement error	≤2%
Run up delayat power up	0.5s time delay
Konb setting accuracy	10% of scale value
Supply indication	green LED
Output indication	red LED
Reset time	1s
Output	2×SPDT
Current rating	8A/AC1
Switching voltage	250VAC/24VDC
Min.breaking capacity DC	500mW
Temperature coefficient	0.05%/℃,at=20℃(0.05%°F,at=68°F)
Mechanical life	1×10^7
Electrical life(AC1)	1×10^5
Operating temperature	-20℃ to +55℃(-4F to 131F)
Storage temperature	-35℃ to +75℃(-22F to 158F)
Mounting/DIN rail	Din rail EN/IEC60715
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/withsleeve max.1×2.5(AWG 12)
Tightening torque	0.4Nm
Dimensions	90×18×64mm
Weight	68g-71g

Geya is a high-tech private enterprise focusing on the independent research and development of low-voltage electrical appliances and automation control intelligent products.High-tech enterprise in Zhejiang Province.The company's sales revenue has reached over 100 million RMB in 2023.Comprehensively advancing towards automated production. Continuously meeting customer delivery requirements.Our primary task is to meet customer needs. We will deliver products with zero defects in a timely manner.Our main categories are low-voltage products, industrial control products, and photovoltaic products, such as relays, circuit breakers, and DC fuses.All types of certificates are complete, such as CE CB, etc.

Q:What advantages do you have? A: GEYA is the direct Mlanufacturer in Wenzhou China from 2007, we have professional developing, marketing & production team to offer you the most competitive price and best service. Q: What's your main product? A: We have two product projects, low voltage electrical and automation control items Q: Could you print our own logo? A: Yes, Our company is available for Retail & Wholesale & OEM & ODM. Q: How long is the product guarantee? A: 18 month warranty, have QC department in charge of the products quality, our products are 100% inspection. Q:What is your quality control process? A: The quality of our production depends on all the components and therefore when selecting our suppliers we have to pay more attention to the quality of the raw material supplied. To prevent possible errors we perform testing at different levels and intemmediate stages of the product production phases. Q: How long is the delivery time? A: lt usually takes about 3 - 5 working days for sample order and 10 - 25 days for big order. Q: What is your payment term? A: Our Payment term is T/T, Aliexpress, Western Union, PayPal, Money Gram, L/C at sight. Q: Any certification of your company or product? A: We have ISO 9001.CE.CB.SEMKO,SAA.TUV.CCC， ROHS

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Automation Relay

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