SATEL B-4S Magnetic Contact for Garage Doors, Surface-Mounted, NC, IP67, Metal

The SATEL B-4S is a high-quality magnetic contact (reed switch) designed for monitoring gates, garage doors, and industrial doors. Its robust metal housing and IP67 protection rating ensure reliable operation in demanding environments. The surface-mounted design simplifies installation, while the normally closed (NC) contact configuration provides fail-safe security monitoring.

Advantages

Durable metal construction (aluminum alloy) withstands harsh conditions. IP67 rating offers complete protection against dust and water ingress. Long operating gap of up to 50 mm allows flexible alignment. The 2-meter cable simplifies wiring, and the NC contact ensures alarm activation if the circuit is broken.

Suitable for

• Garage doors
• Gate position monitoring
• Industrial door security
• Perimeter access control

Key specifications

• Product Type: Magnetic Contact (Reed Switch)
• Mounting: Surface-mounted
• Housing Material: Metal (Aluminum Alloy)
• Contact Configuration: NC (Normally Closed)
• Max Switching Voltage: 100 V DC
• Max Switching Current: 0.5 A
• Max Switching Power: 10 W
• Operating Gap: Up to 50 mm
• Cable Length: 2 m
• Protection Rating: IP67
• Operating Temperature: -25°C to +70°C
• Environmental Class: II (EN 50131)
• Dimensions (Sensor): 50 x 25 x 15 mm
• Dimensions (Magnet): 50 x 25 x 15 mm

Recommendations

For optimal performance, ensure the gap between sensor and magnet does not exceed 50 mm. Suitable for use with SATEL alarm systems and other compatible control panels. Regularly inspect the cable and housing for damage.