Allen-Bradley 440R-G23216 Guardmaster Safety Relay

The Allen-Bradley 440R-G23216, part of the Guardmaster family, is a versatile safety relay designed to enhance industrial safety systems by providing reliable monitoring and control of safety functions. It supports various safety applications, including emergency stops, interlock switches, and light curtains, making it ideal for safeguarding personnel and equipment.

Technical Specifications:

• Input Voltage: 24V DC
• Safety Contacts:
  • 2 N.O. safety outputs
  • 1 N.C. auxiliary contact
• Response Time: ≤ 20 ms
• Power Consumption: ≤ 2.5W
• Max Switching Current: 6A (resistive load)
• Terminal Type: Screw-clamp
• Mounting: DIN rail
• Housing Material: Polycarbonate
• Dimensions: 22.5 mm width, compact design for space-efficient installations
• Standards Compliance:
  • ISO 13849-1 (Category 4, PLe)
  • IEC 61508 (SIL3)
  • UL, CE, and CSA certified

Key Features:

1. Flexible Application Support: Monitors various safety devices, including emergency stops and safety gates.
2. Compact Design: Slim 22.5 mm profile for easy integration into tight control panels.
3. High Reliability: SIL3 and PLe ratings ensure robust safety performance.
4. Fast Response: Quick actuation for improved operator protection.
5. Easy Integration: Screw-clamp terminals and DIN rail mounting simplify installation.

Applications:

• Emergency stop monitoring
• Safety interlock systems
• Light curtain monitoring
• Industrial machine safety