Milesight Magnetic Contact Switch (SS21)

Description

Detecting Open / Close Status of Objects, Cable length: 1.5m

The Milesight SS21 is a magnetic contact switch that enables real-time detection of doors, windows, cabinets, and enclosures opening and closing. Designed to work seamlessly with the TS30X series of LoRaWAN® sensors, it enhances property monitoring and access control in smart buildings, homes, and offices.
Key features

Compatible with Milesight TS301 and TS302 sensors
Magnetic reed switch ensures accurate open/close detection
1.5 m cable for flexible mounting and installation
Ideal for security systems, cabinet access, and facility monitoring
Durable design for long-term use in smart environments

Size and weight: 3 cm wide, 3 cm high, 26 cm deep, 100 g

Part number: SS21 (PN03-150)