Variant BC058K | Safety Hinge / Position Switch, 1NO + 1NC Snap-Action Contacts
The Siemens 3SE5250-0BC05 is a safety hinge / position switch from the SIRIUS 3SE5 Safety Series, designed to monitor the position of machine doors, flaps, and protective guards. It is typically used where the hinge movement of a door itself is used as the actuator, eliminating the need for a separate roller lever.
This switch is built in a compact 30 mm plastic enclosure, featuring 1NO + 1NC snap-action contacts, positive-opening safety function, and high mechanical durability, making it suitable for machine safety applications.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3SE5 |
| Model Number | 3SE5250-0BC05 |
| Variant | BC058K |
| Product Type | Safety Hinge Switch |
| Contact Configuration | 1NO + 1NC |
| Switching Function | Snap-action |
| Actuation Type | Hinge / rotary door movement |
| Housing Material | Plastic |
| Width | ~30 mm |
| Length | ~59 mm |
| Height | ~27 mm |
| Connection Type | Screw terminals |
| Cable Entry | M20 × 1.5 |
| Rated Insulation Voltage | 400 V |
| Thermal Current | 10 A |
| AC-15 Rating (230V) | ~1.5–6 A (depending configuration) |
| DC-13 Rating | Up to 3 A (24 V typical) |
| Protection Rating | IP20 |
| Mechanical Life | ~15 million operations |
| Electrical Life | ~100,000 operations |
| Operating Temperature | -25°C to +85°C |
| Shock Resistance | 30 g / 11 ms |
| Vibration Resistance | 0.35 mm / 5 g |
| Safety Function | Positive opening (IEC 60947-5-1) |
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