SATEL K-3 Surface-Mounted Metal Magnetic Contact Sensor (NC, 20mm Gap, 1m Cable) Grey/Silver

The SATEL K-3 is a high-quality surface-mounted magnetic contact sensor designed for reliable intrusion detection in alarm and access control systems. Its robust metal housing (aluminum alloy) ensures durability and resistance to tampering, making it suitable for both residential and commercial applications. The sensor features a normally closed (NC) contact and provides a maximum operating gap of 20 mm, ideal for doors, windows, and gates.

Advantages

Durable metal construction for long-lasting performance. Easy surface mounting with screws. Compatible with most alarm panels and access control systems. Reliable NC contact ensures fail-safe operation. Compact design fits discreetly on frames.

Suitable for

• Doors and windows in homes, offices, and warehouses
• Gates and garage doors
• Perimeter security in commercial buildings
• Integration with wired alarm systems

Key specifications

• Product Type: Magnetic Contact Sensor
• Mounting: Surface-mounted (screw)
• Housing Material: Metal (Aluminum Alloy)
• Color: Grey / Silver
• Contact Type: Normally Closed (NC)
• Max. Switching Voltage: 20 V DC
• Max. Switching Current: 20 mA
• Max. Switching Power: 3 W
• Operating Gap: Up to 20 mm
• Cable Length: 1 m (2-wire)
• Operating Temperature: -10°C to +55°C
• Environmental Class: Grade 2 (EN 50131-1)
• Sensor Dimensions (LxWxH): 40 x 15 x 15 mm
• Magnet Dimensions (LxWxH): 40 x 15 x 15 mm

Recommendations

For optimal performance, ensure the sensor and magnet are aligned within the specified gap. Use with compatible alarm control panels. Professional installation recommended.