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Latching relay
Latching relays, also known as bistable relays or impulse relays, are electromechanical switching devices that maintain their contact position without a continuous coil energization. Unlike standard relays, they use a permanent magnet or mechanical latch mechanism to hold the state after a brief control pulse. Key technical parameters include co...
Latching relays, also known as bistable relays or impulse relays, are electromechanical switching devices that maintain their contact position without a continuous coil energization. Unlike standard relays, they use a permanent magnet or mechanical latch mechanism to hold the state after a brief control pulse. Key technical parameters include coil voltage ratings (typically 12V DC to 230V AC), contact configurations (SPST, DPDT, 4PDT), rated operational current (up to 16A at 250V AC), and mechanical endurance exceeding 10 million operations. These relays are available in plug-in, PCB-mount, and panel-mount versions, often with LED indication and manual test buttons.
Latching relays are essential in energy-efficient automation systems, building management, and remote control applications where continuous power consumption must be minimized. Common installations include lighting control panels, HVAC systems, smart home automation, industrial process control, and utility metering. They are particularly valued in applications requiring memory retention during power outages, such as emergency lighting circuits, alarm systems, and load shedding schemes. Their bistable nature makes them ideal for pulse-controlled switching in distributed control networks.
Our portfolio includes subcategories like mechanical latching relays, magnetic latching relays, and impulse relays. Key article codes follow patterns such as LR-12D (12V DC coil, 2-pole), LR-24A (24V AC coil, 4-pole), and LR-230B (230V AC, bistable with manual override). These codes typically encode coil voltage, pole count, and mounting type. We stock major brands including Finder, Omron, and Schneider Electric, with variants for DIN rail mounting and socket integration.
Partnering with Electric Automation Network ensures access to genuine latching relays with real-time pricing and global express shipping. Our engineering team provides personalized technical support for coil selection, contact rating verification, and system integration. We offer detailed datasheets, wiring diagrams, and application notes for every article. Benefit from reduced energy costs and enhanced system reliability with our optimized supply chain.
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