PILZ PNOZ S4 Safety Relay 24V DC 3 N/O 1 N/C Spring-Loaded Terminals
Price:
225$
MOQ:
1
Delivery Time:
3-5 days
Brand:
PILZ
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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Company
Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd.
Location
F1-803, Guorun Silu Jin Rong Zhongxin, Qindu District, Xianyang City, Shaanxi Province
Contact Person
Leon Lee