- Alternative Part Number: PSEN 2.1P-21/PSEN 2.1-20/8MM/LED/1
- Supply voltage (V): 24 V
- Type of supply voltage U1: DC
- Switching voltage: 24 V
- Ambient temperature: -25 – 70 ¬∞C
- Max. ambient temp. at 2000 m: +70 °C
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- Brand: Pilz
Pilz 541111 Safety switches
Mfr # 541111
$259.02
/ea
Availability: Available to Order|Typically ships within 7–10 business days. Lead time may vary based on supplier availability.
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- Low-Power Operation: Runs on 24 V DC with a minimal 1 W power consumption, reducing energy use in continuous operation.
- Dual Input Design: Provides two 24 V DC inputs for versatile safety monitoring and flexible integration
- Compact Non-Contact Safety Switch: Ideal for monitoring safety gates, guards, and movable protective devices.
- Engineered for Standards Compliance: Supports ISO 13849 and IEC 62061 safety requirements when integrated into Pilz safety systems.
The Pilz PSEN CS4.1A / PSEN CS4.1 1 UNIT (541111) is a high-quality safety switch from the proven Pilz PSEN range, specifically designed for machine guarding and position monitoring. Compact, reliable, and energy-efficient, it offers a practical solution for safeguarding operators while ensuring smooth machine operation in industrial automation environments.
With a supply voltage of 24 V DC, this switch is fully compatible with modern industrial control systems. Its low power consumption of just 1 W ensures efficient operation, making it particularly suitable for installations requiring multiple devices. By keeping energy usage minimal, the PSEN CS4.1A helps reduce operating costs and contributes to environmentally sustainable system designs.
The device incorporates two inputs at 24 V DC, providing engineers with enhanced flexibility for integrating the switch into safety circuits. This dual-input design enables monitoring of guard positions, interlocks, or movable access points with precision and reliability. The redundancy also improves overall safety performance, ensuring that the system continues to operate correctly even under fault conditions.
As a non-contact safety switch, the PSEN CS4.1A provides a major advantage over traditional mechanical switches by eliminating wear-prone moving parts. This extends the device’s service life, reduces downtime caused by component failures, and minimises maintenance requirements. Its compact size allows for easy installation in space-restricted environments, offering engineers the flexibility to position it where safety monitoring is most critical.
Designed with compliance to international safety standards in mind, the switch supports applications that must meet ISO 13849 and IEC 62061 requirements. When integrated into a complete Pilz safety system – for example, alongside safety relays or modular I/O solutions – it provides a reliable foundation for achieving high performance levels (PL) and Safety Integrity Levels (SIL).
The PSEN CS4.1A / PSEN CS4.1 1 UNIT is well-suited to a wide range of applications, including robotics, automated assembly lines, packaging machinery, conveyors, and machine tools. In each of these environments, it ensures that access to hazardous machine zones is monitored effectively, preventing unsafe operation and protecting both operators and equipment.
In summary, the Pilz PSEN CS4.1A / PSEN CS4.1 1 UNIT (541111) delivers a compact, efficient, and standards-compliant safety switch solution. With its 24 V DC operation, ultra-low power consumption, dual-input flexibility, and durable non-contact design, it provides engineers with a trusted tool for safeguarding modern automation systems while maintaining productivity and efficiency.
| Manufacturer | Pilz |
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