Pilz PNOZ s3 | 24V DC Safety Relay for E-Stop & Door Monitoring
Pilz PNOZ s3 safety relay. 24V DC operating voltage, 2 safety N/O contacts, 1 semiconductor output. Monitors emergency stops, safety gates, and light curtains. EN 60947-5-1 certified.
Product Overview
The Pilz PNOZ s3 is a compact safety relay from the PNOZsigma series designed for monitoring emergency stop circuits, safety gates, and light curtains. It operates on 24V DC and features 2 safety normally open (NO) contacts plus 1 semiconductor output. With a slim width of 17.5 mm, it is suitable for DIN rail mounting in control panels and provides reliable safety function monitoring according to EN 60947-5-1.
Technical Specifications (Electrical & Functional)
| Parameter | Specification |
| Brand / Series | Pilz / PNOZsigma |
| Product Type | Safety Relay (Standalone Unit) |
| Operating Voltage (UB) | 24 V DC (-15% / +10%) |
| Power Consumption | Approx. 2.5 W |
| Safety Outputs | 2 x NO (Safety Contacts) |
| Auxiliary Output | 1 x Semiconductor Output (DC-12/DC-13) |
| Contact Rating | AC-15: 230V / 5A ; DC-13: 24V / 5A |
| Input Channels | 1 or 2-channel wiring (with short-circuit detection) |
| Reset Mode | Manual or Automatic (selectable) |
| Safety Standards | EN 60947-5-1, EN ISO 13849-1, EN 62061 |
Technical Specifications (Mechanical & Environmental)
| Parameter | Specification |
| Dimensions (H x W x D) | 98 x 17.5 x 120 mm |
| Mounting | DIN Rail (35 mm) |
| Terminal Type | Plug-in Screw Terminal |
| Wire Cross-Section | 0.25 - 2.5 mm² (solid) |
| Degree of Protection | Housing: IP40, Terminals: IP20 |
| Operating Temperature | -10 °C to +55 °C |
| Storage Temperature | -25 °C to +70 °C |
| Relative Humidity | ≤ 93% at 40 °C |
| Weight | Approx. 150 g |
Key Features
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Flexible Monitoring: Supports monitoring of E-stop buttons, safety doors, and light curtains with configurable reset modes.
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Diagnostic Capability: LED status indicators for power, output, reset, and fault conditions.
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Easy Installation: Plug-in screw terminals and compact design save space in control cabinets.
Applications
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Emergency stop circuit monitoring in machinery
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Safety door and gate interlocking
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Light curtain and two-hand control monitoring
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.