RUKO MGB-FormB-HSS-PG-42 Safety Guard Locking System

This RUKO GMBH safety guard locking system is used in industrial settings to secure protective doors and monitor their position, ensuring safe operation of machinery. The MGB-FormB-HSS-PG-42 model features a modular design with an integrated handle and actuator, suitable for standard safety doors. It provides guard locking by spring force and unlocking via solenoid, with a 24 VDC operating voltage and a locking force of 2000 N. The unit includes safety contacts for door position and guard locking, plus auxiliary contacts, and is housed in a glass-fibre reinforced thermoplastic enclosure with IP65 protection. It is designed for right-hand door stop configuration and can be mounted in any orientation.

Key specifications

• Product type: Safety Guard Locking System
• Series: Schmersal MGB (Modular Guard Locking)
• Actuator type: MGB-200 (integrated handle/actuator)
• Locking principle: Spring force locked, solenoid unlocked (power-to-unlock)
• Solenoid operating voltage: 24 VDC
• Guard locking force: 2000 N
• Safety contacts (door position): 1 NC / 1 NO
• Safety contacts (guard locking): 1 NC / 1 NO
• Auxiliary contacts: 1 NO / 1 NC
• Cable entry: PG 42 threaded conduit entry
• Housing material: Glass-fibre reinforced thermoplastic
• Protection class: IP65
• Ambient temperature range: -25 °C to +60 °C
• Door stop configuration: Right-hand
• Mounting position: Any

Why choose it

The MGB-FormB-HSS-PG-42 offers reliable guard locking with high holding force and robust environmental protection, making it suitable for demanding industrial safety applications. Its modular design allows flexible integration, and the integrated handle simplifies door operation while ensuring proper locking. The safety contacts provide monitoring of both door position and locking status, contributing to a comprehensive safety system.

Ideal use cases

• Machine guarding on production lines
• Safety doors on automated work cells
• Access control for hazardous areas
• Packaging and material handling equipment

Good to know

The system complies with relevant safety standards and is designed for use in safety circuits up to PLe / Category 4 according to ISO 13849-1 and SIL 3 according to IEC 61508. The PG 42 cable entry allows for secure connection of wiring. The unit operates within a wide temperature range, suitable for various industrial environments.