Magnetic Reed Switch Normally Closed Open NC NO Waterproof DC 12V Proximity Sens For Sale

Enhance your home or commercial security system with this 2-pack of surface-mount magnetic door and window reed switches. Designed for low-voltage security applications, these versatile contact sensors feature a dual NO/NC (Normally Open / Normally Closed) circuit layout, allowing you to easily configure them for intrusion alarms, automated lighting triggers, or status monitoring relays.

Constructed from durable, flame-retardant ABS plastic with an IP65 waterproof rating, these compact sensors withstand daily wear and environmental exposure. The included double-sided mounting tape and screws provide flexible installation options on wooden doors, cabinet frames, windows, or safe doors without requiring complex wiring tools.

• Circuit Type: Dual NO (Normally Open) & NC (Normally Closed) Combined

• Operating Voltage: DC 12V

• Max Rated Power: 5W (10W peak contact rating)

• Max Operating Current: 0.25A – 0.5A

• Sensing/Trigger Distance: 0 – 15 mm (0.59 inches)

• Protection Rating: IP65 Waterproof & Dustproof

• Wire Color Definition: Black (Common), Yellow (Normally Open / NO), Red (Normally Closed / NC)

• Housing Material: Acrylonitrile Butadiene Styrene (ABS Plastic)

• Color: Black

• Dimensions (Per Switch): 0.91 $\\times$ 0.55 $\\times$ 0.24 Inches (23 $\\times$ 14 $\\times$ 6 mm)

• Mounting Hole Size: 3 mm

• Operating Temperature: Up to 122°F (50°C)

• Package Weight: 0.04 lbs (approx. 18 g)

• Country of Origin: China

• Condition: Brand New in Original Packaging

• Black Wire: Common (COM) Terminal

• Yellow Wire: Normally Open (NO) Terminal — Closes circuit when magnet is nearby (Door Closed).

• Red Wire: Normally Closed (NC) Terminal — Opens circuit when magnet is nearby (Door Closed).

• Dual NO/NC Functionality: Provides complete flexibility to work with security alarm panels, LED lighting triggers, relays, or microcontrollers.

• IP65 Weather Resistance: Sealed ABS construction protects interior contacts against moisture, dust, and environmental wear.

• Easy Installation Options: Includes both adhesive foam backing pads for drill-free mounting and standard screws for secure permanent attachment.

• Compact & Low-Profile: Sleek 23mm footprint blends seamlessly into door frames, cabinet doors, or window sashes.

• Door and window alarm sensors for home and commercial security systems.

• Triggering interior cabinet lights, closet LEDs, or automated storage lighting when doors open.

• Integrating with GPS tracking devices, relay modules, and low-voltage access control systems.

• 2 × Black Magnetic Door Reed Switches (Sensor & Magnet Units)

• 4 × Double-Sided Adhesive Stickers

• 8 × Mounting Screws