FH41LA 100A Latching Relay

Features：
100A switching capability
Single coil and double coils are available
External accessories such as manganese copper shunts and transformers can be ordered according to customer requirements
Breakdown voltage (between contact and coil):4KV
Environment-friendly product(RoHS compliant)
Outline Dimensions:(34.8×28×16)mm
Can be integrated design, convenient automatic installation and production
Main application: smart meter

Download

PREV: FH42L 16A 20A Latching Relay UL CQC Compliant NEXT: No next article

Parameters
Application
Describe

Parameters

Specifications	Item
Contact Data	Contact arrangement		1A、1B
	Contact resistance(initial)		≤1.0mΩ(6VDC 1A)
	Contact material		AgSnO₂
Rated value	Rated load(Resistance load)		100A 250VAC
	Max.switching voltage		250VAC
	Max.switching current		100A
	Max.switching capacity		25000VA
Electrical performance	Insulation resistance(initial)		1000MΩ(500VDC)
	Dielectric strength (Initial)	Between open contacts	1800VAC 1min
		Between coil&contacts	4000VAC 1min
	Operate time		≤20ms
	Release time		≤20ms
Mechanical performance	Shock resistance	Resistance functional	98m/s²(10g)
		Destructive	980m/s²(100g)
	Vibration resistance		10Hz~55Hz 1.5mm DA
Endurance	Mechanical		1× 10⁵ops
	Electrical	ON/OFF= 1S/9S	100 250VAC 1× 10⁴ops(COSφ= 1)
Operate condition	Ambient temperature		-40℃~85℃
	Humidity		5%~85%RH
Termination			PCB、Screw type(XB)
Unit weight			Approx.35g(Without attachment)
Construction			Flux proofed

Describe

FH41LA Customized External Accessories Latching Relay is a high-performance electric latching relay designed to meet diverse customer needs. It supports customized external accessories to adapt to different application scenarios. This relay is widely used in intelligent control systems, industrial automation, smart homes and energy management. Through advanced electromagnetic latching technology, FH41LA Customized External Accessories Latching Relay can maintain the contact state in the event of power failure without a continuous power supply, thereby greatly reducing system energy consumption and improving equipment operation efficiency. This product supports high current switching capabilities and is suitable for AC and DC loads to ensure safe and stable system operation. The customized external accessory design enables it to be flexibly integrated into various complex environments and equipment, improving installation convenience and system compatibility. The relay contacts are made of highly conductive silver alloy material, combined with precision electromagnetic design to reduce contact resistance and arc wear, and extend service life. The product responds quickly and has low coil power consumption, meeting the dual needs of energy saving and efficiency of modern smart devices. The compact structure conforms to the standard PCB terminal design, which is easy to quickly integrate into smart control boards and automation systems. FH41LA Customized External Accessories Latching Relay has excellent insulation performance and anti-interference ability, adapts to harsh environments such as high temperature, high humidity, vibration, etc., and ensures long-term stable operation. This product has passed international certifications such as UL, CE, RoHS, etc., meets the strict requirements of the global market for Safety, environmental protection and performance, and is an ideal choice for intelligent power control and energy-saving management.

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

Fanhar Meets You at 2025 Enlit Africa
2025-07-10
The globally anticipated power and energy industry event—2025 Enlit Africa—will be held grandly from May 20 to 22 at the Cape Town International Convention Cen...
Read More
Fanhar to Exhibit at 2025 Guangzhou International Building Electricity Technology Exhibition
2025-07-10
Zhejiang Fanhar Electronics Co., Ltd. will participate in the 2025 Guangzhou International Lighting Exhibition, Guangzhou Electrical Building Technology, to be ...
Read More
Fanhar to Appear at the 2025 IRAN International Exhibition of Electronic, Computer & E-Commerce
2025-07-10
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...
Read More