SIEMENS SIRIUS 3SE5 Basic Switch for Position Switch 3SE5112-0, Metal Enclosure, 1NO+1NC Snap-Action, IP66/IP67, M20 Cable Entry 3SE51120LA00

This basic switch for position switches from the SIEMENS SIRIUS 3SE5 series provides reliable position detection in industrial applications. Its rugged metal enclosure meets EN 50041 standards and houses integrated snap-action contacts with 1 NO + 1 NC configuration, ensuring dependable switching performance.

Advantages

The switch offers high mechanical endurance of 15 million cycles and electrical endurance of 10 million cycles, making it suitable for demanding environments. With a wide operating temperature range of -25 to +85 °C and IP66/IP67 protection, it withstands harsh conditions.

Suitable for

• Position monitoring on machinery and conveyors
• Safety circuits requiring SIL 1 / PL c according to IEC 62061 and EN ISO 13849-1
• Industrial automation systems with M20 cable entry

Key specifications

• Enclosure: metal, width 50 mm, to EN 50041
• Contacts: 1 NO + 1 NC, snap-action
• Rated insulation voltage: 400 V
• Rated impulse withstand voltage: 6 kV
• Rated operational current: 3 A at 240 V AC-15, 1 A at 24 V DC-13
• Degree of protection: IP66 / IP67
• Mounting: screw mounting

Recommendations

For reliable position sensing in heavy-duty industrial environments, this basic switch offers a proven design with high endurance and safety ratings.