The Pilz 751102 is a PNOZsigma safety relay (standalone unit) designed for monitoring emergency stop (E-STOP) buttons and safety gates. It provides safe, redundant monitoring of safety circuits.

Core Description & Features

• Manufacturer/Series: Pilz PNOZsigma (PNOZ s2 C).
• Operating Mode: Can be set via a rotary switch, supporting single-channel wiring without detection of shorts across contacts, along with automatic or manual reset.
• Safety Function: The circuit is internally redundant with built-in self-monitoring; the safety function remains active even if a component fails.
• Indicators: Features LED indicators for supply voltage, switch status, and safety contacts.
• Terminals: Plug-in spring-loaded terminals (C-type) for easy installation.

Technical Specifications

• Supply Voltage: 24 V DC.
• Input Types: 1-channel.
• Output Configuration:
  • 3 Safety Contacts (N/O).
  • 1 Auxiliary Contact (N/C).
  • 1 Semiconductor Output.
• Max Current: 6 A.
• Dimensions: 17.5 mm (width) x 100 mm (height) x 120 mm (depth).
• Protection Type: IP40.

Applications

The 751102 safety relay is typically used for monitoring:

• Emergency stop buttons.
• Safety gate limit switches.
• Light barriers/beams.

Standards & Certifications

The device meets essential safety standards, including EN 60947-5-1, EN 60204-1, and VDE 0113-1. Certifications include CE, cULus Listed, TÜV, KOSHA, and CCC.