W30L 40A 50A Latching Relay UL TUV CQC Compliant

Features：
50A contact switching capability
We can provide the contact gap is ≥ 1.5mm
Contact arrangement:1A､1B､1C
Surge voltage(1.2/50μs):between contact and coil 12KV
Contact on and off can be controlled by a manual control switch
UL insulation system: Class F
Environmentally friendly product(RoHS compliant)
Outline Dimensions:(39.0×15×30.2)mm
Main application :Smart home, Lighting control

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Parameters
Application
Describe

Parameters

Specifications	Item
Contact Data	Contact arrangement		1A、1B	1C
	Contact resistance(initial)		≤20mΩ(6VDC 1A)
	Contact material		AgSnO₂
Rated value	Rated load(Resistance load)		50A 250VAC	40A 250VAC
	Max.switching voltage		440VAC	440VAC
	Max.switching current		50A	40A
	Max.switching capacity		12500VA	10000VA
Electrical performance	Insulation resistance(initial)		1000MΩ(500VDC)
	Dielectric strength (initial)	Between open contacts	2000VAC,1min	1500VAC,1min
		Between coil&contacts	4000VAC 1min
	Closing time		≤20ms
	Opening time		≤20ms
Surge Voltage (1.2/50μs)	Between coil&contacts		12KV
Mechanical performance	Shock resistance	Functional	98m/s2(10g)
		Destructive	980m/s2(100g)
	Vibration resistance		10Hz~55Hz 1.5mm DA
Endurance	Mechanical		1 × 10⁶ops
	Electrical	ON/OFF= 1S/9S	50A 250VAC 5× 10⁴ops(COSφ= 1)
	Electrical	ON/OFF=3S/3S	40A 250VAC 3× 10⁴ops(COSφ= 1)
Operate condition	Ambient temperature		-40℃~85℃
	Humidity		5%~85%RH
Termination			PCB type
Unit weight			Approx.31g
Construction			Plastic sealed,Flux proofed

About Us

Zhejiang Fanhar Electronics Co., Ltd.

Zhejiang Fanhar Electronics Co., Ltd. is a national high-tech enterprise specializing in R&D, manufacturing, and sales of relays. Our products are widely applied in smart home systems, photovoltaic new energy, charging piles, smart meters, industrial control, and other fields.
Currently, we have a professional team of nearly 500 employees and operate 30 fully automated production lines, with 40% of our products exported to over 20 countries worldwide. To better serve our customers and meet market demands, we continuously improve our products and manufacturing technologies, investing 6%-8% of annual sales revenue in R&D and innovation.
With a strong emphasis on technological innovation, we have been recognized as a National High-Tech Enterprise and Provincial R&D Center, holding more than 40 national patents. Our products have obtained international certifications, including ISO9001、ISO14001 and ISO45001, as well as authoritative UL、TUV and CQC certifications, fully complying with EU ROHS/REACH directives.
Maintaining a 98% delivery satisfaction rate, our products serve global industry leaders such as Huawei, Bull, and Eaton in smart home, industrial control, new energy, and power meter applications. Looking ahead, Fanhar Electronics will continue expanding production capacity and deepening our presence in the new energy market, striving to become a provider in the relay industry.

Certificate Of Honor

News

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From June 17 to 20, 2025, the 2025 Iran International Exhibition of Electronic, Computer, and E-Commerce will open in full swing. As a well-known relay manufact...
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