PILZ PNOZ/5 safety relay

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PILZ PNOZ/5 Safety Relay

Product Overview

The PILZ PNOZ/5 (also listed as 750105 or PNOZ s5) is a dual-channel safety relay designed for emergency stop (E-STOP), safety door monitoring, and light curtain control in industrial automation. It complies with PL e (ISO 13849-1) and SIL CL 3 (IEC 61508) safety standards, ensuring reliable fault detection and fail-safe operation in critical applications .

Key Features & Technical Specifications

1. Safety & Control Functions

• Input Configuration:

  • Single or dual-channel wiring (with contact short-circuit detection) .

  • Supports manual/auto reset modes for flexible operation .

• Output Configuration:

  • 2 Normally Open (NO) safety contacts (6A @ 24V DC / 240V AC) .

  • 2 delayed NO contacts (adjustable 0.04–300s delay) for controlled shutdown .

  • 1 semiconductor output for diagnostics .

2. Electrical & Environmental Specs

• Power Supply: 24V DC (4W power consumption) .

• Contact Material: AgCuNi + 0.2µm gold plating for durability .

• Operating Temperature: -10°C to +55°C (93% humidity tolerance @ 40°C) .

• Protection Rating: IP20 (DIN rail mounting) .

3. Mechanical & Installation

• Dimensions: 22.5mm (W) × 105mm (H) × 100mm (D) .

• Terminals: Screw-type or spring-clamp (tool-free wiring options) .

• Mounting: DIN rail or panel-mounted .

4. Certifications & Compliance

• CE, cULus, TÜV, CCC, EAC .

• Standards: EN 60947-5-1, EN 60204-1, VDE 0113-1 .

Applications

1. Emergency Stop Systems: Immediate shutdown in CNC machines, presses, and robotic cells .

2. Safety Door Monitoring: Prevents machine startup if gates are open .

3. Light Curtain Integration: Stops equipment when personnel enter hazardous zones .

Installation & Usage Notes

1. Wiring: Use shielded cables to reduce EMI interference .

2. Testing: Verify delay settings and contact resistance (<0.1Ω for closed contacts) .

3. Maintenance: Inspect gold-plated contacts for wear in high-frequency switching applications .

The structure and details of the product：

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