Schmersal Safety Solenoid Interlock AZM161SK-12/12rk-024

The Schmersal AZM161SK-12/12rk-024 is a high-performance safety solenoid interlock designed for industrial safety applications. With a power-to-unlock locking principle, it ensures safe access control on machinery. This device features 2 normally open safety contacts and 1 normally closed auxiliary contact, providing reliable monitoring and control. Rated for 24 VDC supply voltage, it offers a holding force of 2000 N and is protected to IP67, making it suitable for harsh environments. The housing is made of glass-fibre reinforced thermoplastic, ensuring durability and long service life.

Advantages

This safety interlock provides high reliability with a mechanical life exceeding 1 million operations. Its compact design and cable gland connection (M20 x 1.5) simplify installation. The device is certified to Performance Level PLe, Category 4, and SIL 3, meeting the highest safety standards. It is CE, cULus, and TÜV approved, ensuring global compliance.

Suitable for

• Industrial machinery safety circuits
• Access guarding on automated production lines
• Robotic cell safety interlocks
• Packaging and processing equipment

Key specifications

• Product Type: Safety Solenoid Interlock
• Locking Principle: Power-to-unlock (energise to unlock)
• Supply Voltage: 24 VDC
• Safety Contacts: 2 NO (Normally Open)
• Auxiliary Contacts: 1 NC (Normally Closed)
• Holding Force: 2000 N
• Protection Rating: IP67
• Housing Material: Glass-fibre reinforced thermoplastic
• Connection Type: Cable gland (M20 x 1.5)
• Operating Temperature Range: -25 °C to +60 °C
• Performance Level (PL): PLe
• Safety Category: Category 4
• Safety Integrity Level (SIL): SIL 3
• Max. Switching Current: 4 A (for safety contacts)
• Mechanical Life: > 1 million operations
• Actuator Compatibility: Requires separate AZM 161 series actuator

Recommendations

For complete safety system, pair with the corresponding AZM 161 actuator. Ensure proper wiring and installation according to the manufacturer's guidelines to maintain safety integrity.