Siemens 3SE5 Series Round Plunger Limit Switch, 1 NO/1 NC Contact, IP66 IP67 Metal Housing, 4A 3SE5112-0CA00-1AJ0

Siemens 3SE5112-0CA00-1AJ0 Round Plunger Limit Switch is engineered for demanding industrial applications requiring precise and reliable mechanical position monitoring. It features a round plunger actuator type combined with snap action contacts configured as 1 normally open (NO) and 1 normally closed (NC) contact.

The metal housing delivers robust protection in rigorous environments and is rated to IP66 and IP67 standards, providing dust-tight sealing and protection against temporary immersion in water. This switch operates within a broad temperature spectrum from -40°C to 85°C, enabling its use in cold and varying ambient conditions.

The device accommodates switching currents up to 4 amperes and offers an extended mechanical life of 15 million cycles, ensuring durability and dependable operation. Its universal mounting orientation and M20 conduit entry thread provide installation versatility and secure electrical connection. Designed in compliance with multiple international standards including CSA, EAC, IEC, CCC, CE, RoHS, and UL, it meets stringent quality and safety requirements.

3SE5 Series limit switches from Siemens are modular and designed for safety applications up to Category 4 per ISO 13849-1 (EN 954-1) when used with appropriate evaluation units. The quick-connect system reduces installation time by up to 25%, and all actuator heads are rotatable in 22.5° increments for precise alignment.

This limit switch is ideal for industrial automation, manufacturing machinery, HVAC systems, and water treatment plants where reliable position detection is critical. The metal enclosure and high ingress protection ensure suitability in harsh, aggressive environments such as outdoor installations and chemical processing plants.

The switch features 1 NO and 1 NC contact configuration for versatile control. Designed with a robust metal housing for durability in harsh environments. IP66 and IP67 ratings ensure protection against dust and water ingress.

Capable of switching currents up to 4A with snap action contact type. Operates reliably within a temperature range of -40°C to 85°C. Equipped with an M20 conduit entry for secure wiring installations. Mechanical life expectancy of up to 15 million cycles supports long-term use.

Includes a mounting orientation that allows universal installation flexibility. Explore the Siemens 3SE5 Limit Switch range and additional industrial automation products at EnvMart for your control system needs.