SATEL S-4 DG Surface-Mounted Magnetic Contact with Tamper Switch (Dark Grey)

The SATEL S-4 DG is a professional-grade surface-mounted magnetic contact sensor designed for door and window security applications. Featuring a normally closed (NC) reed switch and an integrated tamper contact, this sensor provides reliable intrusion detection for alarm systems. Its compact design and dark grey ABS housing make it suitable for discreet installation in residential and commercial environments.

Advantages

Reliable magnetic contact with tamper protection ensures high security against unauthorized opening. Surface-mounted design simplifies installation without the need for recessed wiring. The sensor is rated Grade 2 per EN 50131-2-6, making it suitable for use in security systems requiring medium-level protection. Its IP4X protection class offers resistance to dust and solid objects.

Suitable for

• Door and window monitoring in residential and commercial security systems
• Integration with SATEL alarm control panels and compatible security systems
• Surface-mounted installations where flush mounting is not possible

Key specifications

• Sensor Type: Magnetic Contact (Reed Switch)
• Mounting Type: Surface-Mounted
• Contact Configuration: Normally Closed (NC)
• Tamper Contact: Yes, Normally Closed (NC)
• Max Operating Gap: 25 mm
• Max Switching Voltage: 20 V DC
• Max Switching Current: 20 mA
• Max Switching Power: 3 W
• Operating Temperature: -10°C to +55°C
• Protection Class: IP4X
• Security Grade: Grade 2 (EN 50131-2-6)
• Connection Type: Screw Terminals
• Housing Material: ABS Plastic
• Colour: Dark Grey
• Sensor Dimensions (L x W x H): 48 x 25 x 15 mm
• Magnet Dimensions (L x W x H): 48 x 12 x 15 mm

Recommendations

For optimal performance, ensure the gap between sensor and magnet does not exceed 25 mm. Use with SATEL alarm systems or other compatible control panels. Professional installation recommended.