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PILZ PNOZ S4 Safety Relay with 24V DC Power, Category 4 / PL e / SIL CL 3 Safety, and Spring-loaded Terminals

1
MOQ
225$
Price
PILZ PNOZ S4 Safety Relay with 24V DC Power, Category 4 / PL e / SIL CL 3 Safety, and Spring-loaded Terminals
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Features
Specifications
Power Supply: 24V DC / 110V AC / 220V AC
Model: S7-1200
Outputtypes: Digital Output, Analog Output
Point: 14 (8DI+6DO)
Output Points: 20
Output Type: Digital And Analog Outputs
Applicationindustry: Manufacturing, Process Control, Robotics
Touch Panel: A
Part No: 200-595-072-122 VM600 CPUM
Safetystandardscompliance: IEC 61508, ISO 13849
Integration: SCADA, MES Systems
Outputvoltage: 24V DC
Control Type: Programmable Logic Controller (PLC)
Outputtype: Digital Output, Analog Output
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PILZ PNOZ S4 safety relay 24V DC

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Safety relay with spring-loaded terminals

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Category 4 PL e SIL CL 3 relay
Basic Infomation
Place of Origin: China
Brand Name: PILZ
Certification: 225$
Model Number: S4 751104 750104
Payment & Shipping Terms
Packaging Details: pieces
Delivery Time: 3-5 days
Payment Terms: T/T
Product Description
PILZ PNOZ S4 751104 750104 SAFETY RELAY
Product Overview

The primary difference between the two models is their connection technology:

  • 751104: Equipped with spring-loaded (cage) terminals for tool-free wiring
  • 750104: Equipped with screw terminals for traditional wiring
Key Technical Specifications

Both models share the same core technical features:

Feature Specification
Supply Voltage 24 V DC
Series PNOZsigma (PNOZ s4)
Mounting DIN rail
Safety Outputs 3 N/O (normally open), instantaneous
Auxiliary Output 1 N/C (normally closed)
Signal Output 1 semiconductor (24 V DC / 20 mA)
Number of Inputs 3 (for dual-channel safety circuits)
Safety Category Up to Category 4 / PL e / SIL CL 3
Contact Rating 6 A (at 240 V AC or 24 V DC)
Dimensions (H x W x D) 100 x 22.5 x 120 mm
Operating Temp. -10°C to +55°C
Detailed Features
  • Self-Monitoring & Redundancy: The unit has a redundant internal circuit with built-in self-monitoring. The safety function remains effective even if a component fails.
  • Operating Modes: The operating mode (e.g., automatic start, manual/monitored start) can be configured via a rotary switch on the device.
  • Status Indication: Six LED indicators on the front panel show the status of Power, Inputs, Outputs, Reset, and Faults for easy diagnostics.
  • Safety Standards: It complies with major international standards including EN 60947-5-1, EN 60204-1, and VDE 0113-1.
Summary of Differences: 751104 vs 750104
Feature 751104 750104
Electrical Connection Spring-loaded (Cage) terminals Screw terminals
Wire Stripping Length 9 mm 8 mm
Wire Range 0.2 - 2.5 mm² (24 - 12 AWG) 0.25 - 2.5 mm² (24 - 12 AWG)
Torque Not Applicable 0.5 Nm
Weight Approx. 185-190 g Approx. 190 g

In summary, both 751104 and 750104 are high-performance safety relays from PILZ. Your choice will primarily depend on your preferred wiring method—spring-clamp for faster, maintenance-free connections or screw-clamp for traditional secure connections.

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