Why Choose the EMAS SMS21LSZ-S15 Rectangular Magnetic Door Switch?
The EMAS SMS21LSZ-S15 is a compact 22 mm rectangular magnetic door switch from the EMAS SM Series, designed for contactless monitoring of doors, guards and moving machine elements in industrial automation applications. Its plastic housing and contactless magnetic operating principle provide reliable position detection while avoiding the mechanical engagement associated with conventional limit switches.
This exact model features a 2NC contact configuration, a 5 mm sensing distance and an integrated LED indicator. The two normally-closed contacts provide dual switching paths for compatible control arrangements, while the LED gives convenient local visual status indication during operation, commissioning and maintenance.
The SMS21LSZ-S15 is a left-exit version equipped with an M8 4-pin connector. It also provides IP68 protection and an operating temperature range of -25 °C to +70 °C, making it a robust compact solution for industrial door and guard position monitoring in demanding environments.
Key Advantages
- Contactless magnetic door and guard monitoring reduces mechanical wear.
- 2NC contact configuration provides two normally-closed switching contacts.
- 5 mm sensing distance for close-range magnetic detection.
- Integrated LED indicator provides convenient visual status feedback.
- M8 4-pin connector supports quick connection, installation and servicing.
- Compact 22 mm rectangular housing suits space-conscious installations.
- IP68 protection supports operation in demanding industrial environments.
- Coded, contactless triggering provides dependable actuator detection.
Key Features
- EMAS SM Series magnetic door switch.
- Plastic housing.
- 22 mm rectangular format.
- Left-exit configuration.
- 2NC contact configuration.
- 5 mm sensing distance.
- Integrated LED indicator.
- M8 4-pin connector.
- IP68 protection rating.
- -25 °C to +70 °C operating temperature.
- Contactless triggering.
- Coded actuator triggering.
- Designed for resistance to dirt and dust.
Reliable Contactless Magnetic Position Monitoring
The EMAS SM Series uses contactless magnetic triggering to detect the position of a corresponding actuator without requiring direct mechanical engagement. This operating principle helps reduce wear while also providing resistance to contamination and dust around the sensing interface, making the system well suited to repetitive industrial door and guard movements.
The SMS21LSZ-S15 combines 2NC contacts, 5 mm sensing distance, LED status indication and an M8 4-pin connector in a compact 22 mm rectangular housing. Its IP68 environmental protection further supports reliable integration into industrial machinery and automation systems where robust position monitoring is required.
Typical Applications
- Industrial machine door position monitoring.
- Machine guard and access-panel detection.
- Packaging and processing machinery.
- Automated production and assembly equipment.
- Conveyor and material handling systems.
- Industrial automation equipment.
- Machine component position detection.
- OEM machinery and factory automation installations.
