Banner SI-QS75MC Machine Guard Safety Switches

Banner SI-QS75MC Machine Guard Safety Switches

The Banner SI-QS75MC is a compact and robust safety interlock switch designed to enhance machine safety by monitoring the position of protective guards. Its durable construction and versatile features make it suitable for a wide range of industrial applications.

Key Features

• Positive Opening Safety Contacts: Ensures reliable disconnection of safety circuits, independent of spring mechanisms.
• Mechanically Coded Actuators: Utilizes two independent operating elements to minimize the risk of intentional tampering or defeat.
• Rotating Head Design: Allows actuator engagement from the front, back, or either of two top positions, providing installation flexibility.
• Multiple Actuator Options: Offers a choice of four standard actuators, with an optional high-extraction-force actuator available for specific needs.
• High Protection Rating: Features an IP65-rated thermoplastic housing, which can be increased to IP67 with the addition of a screw to the wiring chamber door, ensuring resistance to dust and water ingress.

Specifications

• Housing Material: Glass fiber-reinforced polyamide thermoplastic
• Dimensions: 75 mm (H) x 52 mm (W) x 30 mm (D)
• Operating Temperature Range: -30°C to 80°C
• Contact Configuration: 1 Normally Closed (NC) contact
• Electrical Ratings:
  • 10 A at 24 VAC
  • 10 A at 110 VAC
  • 6 A at 230 VAC
  • 6 A at 24 VDC
• Connection Type: Wiring chamber with M16 x 1.5 threaded entrance
• Safety Ratings:
  • Performance Level (PL): e
  • Safety Integrity Level (SIL): SIL CL 3
  • Safety Category: 4

Applications

The SI-QS75MC is ideal for safeguarding machinery by monitoring the position of doors, gates, and other movable guards. Its compact design and flexible mounting options make it suitable for various industrial environments where safety and reliability are paramount.

Installation and Maintenance

For optimal performance, ensure proper alignment and full engagement of the actuator with the switch. Regularly inspect the switch and actuator for signs of wear or damage, and verify that the safety contacts function correctly to maintain a safe operating environment.