Fanhar W35L Electric Latching Relay
Views: 881  Author: Fanhar Relay  Time: 2025.03.17

The W35L latching relay is a high-performance electrical control device from our company, intended for smart home applications, smart sockets, and other scenarios.  This device, measuring 30×20×10mm, boasts a high load capacity and numerous safety certifications, making it an effective and dependable alternative for automation control systems.


Core Advantages


Powerful switching capability

Dual contact design supports 2 sets of 20A high current switching (250VAC).

Contact material adopts AgSnO₂ (silver tin oxide), with strong arc resistance and long life up to 100,000 times (20A load).

Short-circuit tolerance: 750A pulse current (10ms), ensuring stability under extreme conditions.


Flexible Configurations to Meet Diverse Needs

Offers single-coil (L1) and dual-coil (L2) latching configurations to accommodate various control logics.

 Optional contact configurations: 2A (usually open), 2B (typically closed), 1A1B (hybrid), to accommodate varied circuit design requirements.


Adaptability to harsh environments

Operating temperature range: -40°C to 105°C, suitable for high or low temperature scenarios.

Vibration and shock resistance: Mechanical durability up to 1,000,000 cycles, 100g vibration resistance, 10g shock resistance.

Environmental compliance: RoHS compliant, green and non-polluting.


High safety guarantee

Insulation classification: UL Class F, withstanding voltage of 4000VAC (between contact and coil).

Numerous international certifications: UL/C-UL, TUV, CQC, facilitating worldwide market entry.



Quick Overview of Technical Parameters


Contacts rated at 16A/20A (250VAC resistive load), maximum switching capacity 4000VA, initial contact resistance ≤ 50mΩ (6VDC 1A test). Coil voltage support DC 5V to 24V, single coil and dual coil optional, response time ≤15ms (set/reset), overall weight of about 12g.

 


Application Scenarios

Smart home: integrated in smart switch and temperature control system, realizing low power standby and fast response.

Smart socket: remote control of high-power appliances, built-in overload protection to ensure the safety of electricity.

Industrial control: Suitable for automated production lines, motor drives and other high-reliability scenarios, resistant to frequent starts and stops.


W35L latching relays are manufactured in strict compliance with the ISO quality management system and have passed a number of international certifications, and are rigorously tested from material to process to ensure that each product is as stable as the other during its life cycle. With technological innovation as the core, we continue to provide efficient and safe electronic control solutions for our global customers.

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