Upgrade your monitoring capabilities with our Surface Mount Magnetic Switch featuring a 3-wire lead. Unlike standard 2-wire contacts, this advanced reed sensor offers a Single Pole Double Throw (SPDT) configuration. This allows for a wider range of applications, enabling you to trigger one action when a door is closed and another when it is opened, all from a single compact device.
Versatile 3-Wire Output: Comes with three color-coded leads (typically Common, Normally Open, and Normally Closed), providing complete circuit flexibility for complex security and automation logic.
High-Precision Reed Technology: Engineered with a sensitive internal reed switch that ensures reliable triggering across thousands of operation cycles.
Durable Surface Mount Housing: Features a rugged, low-profile white polymer casing designed to be mounted easily on standard door and window frames.
Clean Professional Finish: The sleek white design and integrated wire lead ensure a discreet installation that blends with modern architectural hardware.
Dual-Status Monitoring: Perfect for systems that require positive confirmation of both "Open" and "Closed" states simultaneously.
Multi-System Integration: The SPDT logic makes this switch compatible with both security alarm panels and specialized home automation controllers (like ESP32 or PLC units).
Enhanced Fail-Safe Options: Use the Normally Closed (NC) loop for security while utilizing the Normally Open (NO) lead to trigger a local indicator light or chime.
Hardwired Stability: Provides a permanent, battery-free solution that is immune to the signal interference common in wireless sensors.
Switch Configuration: SPDT (COM, NO, NC).
Mounting Style: Surface Mount with integrated screw-mounting holes.
Wiring: 3-Wire Pigtail Lead (Color-coded: Brown, White, Black).
Material: Flame-Retardant ABS Plastic.
Color: Classic White.
What do the three different wires do?
The three wires allow you to choose how the circuit behaves. You can wire it to be "ON" when the magnet is near, "ON" when the magnet is away, or use both outputs for different indicators.
Can I use this for a sliding door?
Yes. As long as the magnet and the sensor are aligned within the required gap (typically under 20mm) when the door is shut, it will work perfectly for sliding or swinging entries.
Is it compatible with 12V or 24V systems?
Absolutely. These magnetic switches are designed for low-voltage signal circuits, making them ideal for standard 12V DC security systems or 24V DC automation controllers.
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