SIEMENS SIRIUS 3SE5 Position Switch 3SE5112-0BD02, Metal Enclosure, 1NO+1NC, Slow-Action, IP66/IP67

In automated production lines, machine guarding, and conveyor systems, reliable position detection is critical. The SIEMENS SIRIUS 3SE5 position switch 3SE5112-0BD02 provides robust end-position and travel limit monitoring in harsh industrial environments. Its metal enclosure withstands mechanical stress, while the slow-action contact mechanism ensures dependable switching of control circuits.

Key specifications

• Contact configuration: 1 normally open (NO) + 1 normally closed (NC)
• Switching principle: slow-action contacts
• Enclosure material: metal, width 40 mm
• Degree of protection: IP66 / IP67
• Cable entry: M20 x 1.5
• Connection: screw terminals
• Rated insulation voltage: 400 V
• Rated impulse withstand voltage: 6 kV
• Rated operational current: 6 A at 230 V AC-15; 3 A at 24 V DC-13
• Operating temperature: -25 °C to +80 °C
• Mechanical service life: 15 million switching cycles
• Electrical service life: 100,000 switching cycles
• Mounting: screw mounting

Why choose it

This switch is built for longevity in demanding applications. The metal housing and high IP rating protect against dust and water ingress, while the slow-action contacts provide clear, reliable switching. It is part of the SIRIUS 3SE5 modular system, allowing you to select the appropriate actuator head separately for your specific application.

Ideal use cases

• Position monitoring on machine tools and transfer lines
• End-of-travel limit switching on hoists and cranes
• Safety gate monitoring in conjunction with suitable actuators
• Conveyor belt misalignment detection

Good to know

The actuator head is not included and must be ordered separately to match your mechanical interface. The switch is approved to CE, UL, CSA, CCC, and EAC standards, ensuring global acceptance.