PNOZ S5 Pilz safety relay belonging to the PNOZsigma series

PNOZ S5 Pilz safety relay belonging to the PNOZsigma series

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Product Details

The Pilz PNOZ s5 is a highly versatile, compact safety relay belonging to the PNOZsigma series. It is designed to reliably monitor safety-related circuits, such as Emergency Stop (E-Stop) pushbuttons, safety gates, and optoelectronic protective devices (like light curtains).

A standout feature of the PNOZ s5 is its integrated timing stage, which combines instantaneous safety outputs with time-delayed safety outputs in a single, space-saving $22.5\text{ mm}$ housing.

1. Technical Parameters

The PNOZ s5 is available in a few variants depending on the supply voltage and terminal connection types (e.g., screw terminals vs. "C" spring-loaded terminals). Below are the core technical specifications for the standard 24V DC variant:

Parameter	Specification / Value	Notes
Supply Voltage ($U_B$)	$24\text{ V DC}$ (or $48\text{–}240\text{ V AC/DC}$ depending on model)	Tolerance: $-15\% / +10\%$
Power Consumption	$\approx 4.0\text{ W}$	Energy-efficient design
Instantaneous Contacts	$2\text{ N/O}$ (Normally Open)	Act instantly when safety circuit is tripped
Delayed Contacts	$2\text{ N/O}$ (Normally Open)	Delay-on de-energisation
Selectable Delay Range	$0.04\text{ s}$ to $300\text{ s}$	Configurable via front rotary switches
Auxiliary Output	$1\text{ Semiconductor Output}$	Used for diagnostic/PLC feedback
Max. Safety Level	PL e (Category 4) / SIL CL 3	Under EN ISO 13849-1 and EN IEC 62061
Input Channels	$1$-channel or $2$-channel wiring	With or without cross-circuit detection
Start / Reset Types	Monitored, Manual, or Automatic start	Configurable via rotary switches
Dimensions (H x W x D)	$100\text{ mm} \times 22.5\text{ mm} \times 120\text{ mm}$	Compact DIN-rail mount housing
Contact Material	$\text{AgCuNi} + 0.2\ \mu\text{m Au}$ (Gold-plated)	Ensures reliable switching

2. Key Product Advantages

• Space-Saving "Two-in-One" Design: By housing both immediate and time-delayed contacts in a ultra-slim $22.5\text{ mm}$ enclosure, it eliminates the need for separate timing relays, saving valuable DIN-rail space inside control cabinets.

• Flexible Configuration (Software-Free): Operating modes (automatic reset vs. monitored manual reset) and precise delay times are easily set directly on the front panel using integrated rotary dials—no PC or programming software required.

• Built-in Diagnostics: Features a clear LED array displaying Status, Input Channel 1/2, Reset, and Error. Additionally, the semiconductor output can communicate state changes directly to a standard PLC.

• Enhanced Diagnostic Cross-Circuit Detection: Safely identifies short circuits across input contacts as well as earth faults, raising safety system resilience to the highest rating (PL e).

• Maintenance-Friendly Connections: Features plug-in connection terminals (available in screw or spring-loaded types). This allows rapid unit replacement without the risk of rewiring mistakes.

The following is my contact information, you are very welcome to come to me for inquiries:

Contact person：cindy
Email Address:：cindy@justwellcenter.com
WhatApp： +86 13376981664

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