The Siemens 3SE3120-0D is a position switch used in industrial automation for detecting mechanical movement and triggering electrical signals. It is part of Siemens' SICONT 3SE3 series, which offers specialized executions for various application

Rated Insulation Voltage: 500V AC / 600V DC

Rated Thermal Current: 10A

Rated Operating Current:

AC (40-60 Hz): 10A at 24V, 10A at 125V, 6A at 230V, 4A at 400V, 3A at 500V

DC: 10A at 24V, 6A at 48V, 4A at 110V, 1A at 220V, 0.5A at 440V

Short Circuit Protection: HRC fuse (10A)

Mechanical Endurance: 30 million switching cycles

Electrical Endurance (AC15): 30 million switching cycles with 3TH / 3TF contactors

Switching Frequency: 6,000 cycles per hour

Ambient Temperature: -40°C to +80°C

Degree of Protection:

Terminal: IP00

Switching Chamber: IP40

Conductor Size: Ring/Fork type lug, 2x2.5mm² stranded cable

Mounting Position: Any

You can find more details in the official Siemens catalog here. Let me know if you need installation guidance or alternative options