Bernstein – SLK‑M‑UC‑55‑R0‑A0‑L0‑0 – Safety Interlock Switch, NC+NO, IP67, M20

The Bernstein SLK‑M‑UC‑55‑R0‑A0‑L0‑0 is a robust bolting safety/guard interlock switch designed for industrial safety applications. Featuring both NC and NO contacts, it uses solenoid locking to secure safety guards or doors until hazardous conditions are resolved. This version includes spring-loaded terminals, M20 cable gland connection, and IP67 protection for enhanced reliability in demanding environments.  

Key Features:

• Model: SLK‑M‑UC‑55‑R0‑A0‑L0‑0 (Art. No. 601 8119 047)  

• Type: Bolting safety interlock with solenoid and separate actuator; 8‑slot turning head

• Contacts: 1 NC + 1 NO auxiliary; slow-action rated 240 V AC/2.5 A  

• Protection: IP67 enclosure for dustproof and waterproof performance

• Cable Entry: 3 × M20 cable glands standard

• Durability: Mechanical rating exceeding 1 million cycles; compact body (approx. 170 mm)  

• Operating Range: –25 °C to +70 °C (24 V AC/DC, and 110/230 V AC variants exist)

• Standards: Conforms to EN 60 947‑5‑1, EN 1088, ISO 12100; ensures reliable interlocking via coded actuator head

• Material: Black/red plastic housing with stainless actuator

• Weight: Approx. 400 g