The Pilz PNOZ 3 24VDC 5S 1O 1W is a safety relay module designed for emergency stop and safety gate monitoring in industrial control systems. Operating on 24 V DC supply with 50 mA input current, it delivers five normally open safety contacts, one normally closed auxiliary contact, and one fleeting normally open contact for flexible safety circuit configurations. The unit meets Category 3 safety requirements per EN 954-1 and holds multiple international certifications including CE, UKCA, cULus, and TÜV approval.
Technical Specifications
Electrical Performance
• Supply voltage: 24 V DC (85–110% tolerance)
• Input current: 50 mA at 24 V DC
• Power consumption: Approximately 4.5 W / 9 VA
• AC1 switching: 240 V / 8 A / 2000 VA; 400 V / 5 A / 2000 VA
• DC1 switching: 24 V / 8 A / 200 W
• AC15 switching: 230 V / 5 A
• DC13 switching: 24 V / 7 A
Timing Characteristics
• Delay-on energization: Approximately 250 ms
• Delay-on de-energization: Maximum 50 ms
• Fleeting contact time: Approximately 150 ms
• Channel simultaneity: Approximately 150 ms or infinite
• Maximum supply interruption tolerance: Approximately 10 ms
Physical & Environmental
• Housing: P-75, DIN rail mountable
• Dimensions: 75 mm H × 135 mm W × 111.5 mm D
• Weight: 830 g
• Ambient temperature range: −10 °C to 55 °C
• Humidity: 93% r.h. at 40 °C (condensation not permitted)
• Protection rating: IP40
• Terminal torque setting: 1.2 Nm
• Maximum conductor cross-section: 2 × 2.5 mm²
– Key Features
• Five safety-rated normally open contacts for dual-channel or single-channel operation
• Positive-guided relay outputs for fail-safe operation
• Configurable automatic or manual reset modes
• LED status indication for Channel 1/2 and power supply
• Connections for E-STOP button, safety gate limit switch, and reset button
– Typical Applications
• Emergency stop circuits
• Safety gate monitoring and interlocking
• Dual-channel safety configurations in industrial machinery
• Control panel integration on standard DIN rail systems
– Compatibility & Integration
Standards compliance: EN 954-1 Category 3, VDE 0113-1, EN 60204-1, IEC 204-1. Certifications: CCC, CE, UKCA, cULus Listed, KOSHA, EAC, TÜV.
