Pilz PNOZ S3 24VDC 2NO Safety Relay, 24VDC Manual/Auto Start 1

Pilz PNOZ S3 safety relay designed for monitoring emergency stop circuits and safety functions, providing reliable switching with manual or automatic reset options in compact industrial safety applications.
Manufacturer: Pilz GmbH & Co. KG
Product type: Safety relay
Model: PNOZ S3
Part number: 750103
Series: PNOZsigma (PNOZ S series)
Country of manufacture: Germany
Supply voltage: 24 VDC
Operating voltage range: approx. 20.4–27.6 VDC
Power consumption: approx. 2–3 W
Function: Emergency stop monitoring and safety gate control
Channel operation: 1-channel or 2-channel wiring capability
Reset type: Selectable manual or automatic start/reset
Reset inputs: Edge-triggered reset (rising or falling edge)
Contact configuration: 2 NO (normally open) safety outputs
Contact type: Force-guided relay contacts
Contact voltage rating: up to 240 VAC / 30 VDC
Contact current rating: up to 5 A
Utilization category: AC15: 230 V / 5 A, DC13: 24 V / 5 A
Response time: <50 ms (typical excluding reset delay)
Monitoring: Detection of shorts across contacts and wiring faults
Diagnostics: LED indicators for power, input status, output status, reset, and fault
Indicator LEDs: Power, In, Out, Reset, Fault
Connection type: Plug-in screw terminals
Terminal type: Removable terminal blocks
Mounting type: DIN rail mounting (35 mm rail)
Housing material: Industrial-grade plastic (yellow safety housing)
Protection rating: IP20 (housing), up to IP40/IP54 when installed in enclosure
Operating temperature range: -10°C to +55°C
Storage temperature range: -40°C to +85°C
Isolation: Reinforced isolation between input, output, and supply circuits
Dimensions: approx. 17.5 mm width x 100 mm height x 120 mm depth
Weight: approx. 150–250 g
Standards compliance: EN ISO 13849-1, IEC 62061, CE, UL, TÜV, RoHS compliant
Safety level: Up to PL e / SIL 3 (depending on wiring and application)
Application: Emergency stop circuits, safety doors, machine safety systems, industrial automation safety control
Additional features: Ultra-slim design, flexible reset configuration, fault diagnostics, high reliability for safety-critical systems
Please review pictures carefully and let us know if you have any questions!