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Home Product PNOZ S4.1 24VDC 3n/o 1n/c Safety Relay Pilz PNOZsigma Emergency Stop Machine Guarding
PNOZ s4.1 24VDC 3 n/o 1 n/c

PNOZ S4.1 24VDC 3n/o 1n/c Safety Relay Pilz PNOZsigma Emergency Stop Machine Guarding

PNOZ s4.1 Safety Relay
24VDC Safety Relay
3n/o 1n/c Relay
PNOZ s4.1 24VDC 3 n/o 1 n/c
The PNOZ S4.1 Safety Relay is a 24VDC Safety Relay with 3 normally open (3n/o) and 1 normally closed (1n/c) contacts, designed for reliable safety applications in industrial control systems. It ensures safe machine operation through redundant circuits and monitoring functions. Ideal for emergency stop circuits, guard door monitoring, and safety interlock systems requiring 3n/o 1n/c configurations. Compact design with LED status indicators and screw terminals for easy installation.
Categories:Automation
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Product Description

The **PNOZ s4.1 Safety Relay** is a compact, versatile safety device designed for industrial automation systems, offering **3n/o 1n/c relay** outputs and a **24VDC** operating voltage. It features two dual-channel safety inputs compatible with safety sensors (e.g., emergency stops, light curtains) and integrates seamlessly with up to **4 expansion modules** for flexible configuration. With a wide voltage tolerance (**20.4–28.8VDC**) and operating temperature range (**-20°C to +55°C**), it ensures reliable performance in harsh environments. Ideal for machinery, robotics, and assembly lines, this relay supports **SIL 3/PL e** safety levels, providing fail-safe monitoring and redundant circuit control. Its **IP20 protection**, modular design, and quick diagnostics simplify installation and maintenance. However, it lacks built-in communication interfaces, requiring external systems for network integration. Compact dimensions and DIN-rail mounting optimize space efficiency, making it a robust choice for safety-critical applications.
ParameterSpecification
ModelPNOZ s4.1 Safety Relay
Operating Voltage24VDC ±20%
Contact Configuration3 n/o (Normally Open), 1 n/c (Normally Closed)
Contact Rating5 A @ 24VDC (Resistive Load)
Safety CategoryEN ISO 13849-1: PL e, SIL 3
StandardsEN 60947-5-1, EN 62061, IEC 61508
Ambient Temperature-20°C to +60°C
Housing MaterialSelf-extinguishing thermoplastic
Mechanical Life10,000,000 cycles
Electrical Life100,000 cycles @ rated load
MountingDIN Rail (35 mm)
Protection ClassIP20
Diagnostic Coverage99% (DCavg)
Response Time<30 ms
Auxiliary Voltage24VDC (monitored)
Weight≈ 200 g
TerminalsScrew Clamp (0.5-4 mm²)
question:Can I schedule a self-pickup with official couriers?
answer:Yes, you can schedule self-pickup with our supported couriers (DHL, FedEx, UPS).
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major international shipping providers.
question:Do you provide technical consultation services?
answer:Yes, we offer technical selection and customization support for product specifications.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I schedule a self-pickup with official couriers?
answer:Yes, you can schedule self-pickup with our supported couriers (DHL, FedEx, UPS).
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major international shipping providers.
question:Do you provide technical consultation services?
answer:Yes, we offer technical selection and customization support for product specifications.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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