- 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 774300 Safety relays / protection relays
Mfr # 774300
$546.89
/ea
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The Pilz PNOZ X1 24VAC/DC 3N/O 1N/C (part no. 774300) is a compact and robust safety relay designed to ensure safe operation of machinery and automation systems. As a key component of the well-established PNOZ range, this relay offers reliable monitoring of safety functions such as emergency stop circuits and safety gates, contributing to the protection of personnel and equipment in industrial environments.
With its ability to operate on both 24 VAC and 24 VDC supply voltages, the PNOZ X1 provides exceptional flexibility for system integration. This dual compatibility makes it ideal for facilities that use mixed-voltage systems or require standardised components across multiple machine types. It allows engineers to select a single relay model that can cover a broad set of applications, reducing complexity in procurement and spare part management.
The relay’s contact configuration of 3 normally open (N/O) and 1 normally closed (N/C) contact offers versatile options for system design. The N/O contacts provide enabling paths for machinery functions when all safety conditions are satisfied, while the N/C contact is typically used for feedback or monitoring, ensuring circuit integrity. This setup supports multi-channel safety functions and adds redundancy to critical safety circuits, enhancing overall system reliability.
Energy efficiency is another key strength of the PNOZ X1. With a power consumption of just 2 VA on DC and 4 VA on AC, the relay minimises energy use and heat buildup in control cabinets. This not only contributes to lower operational costs but also improves the long-term reliability of the control system by reducing thermal stress on components.
The PNOZ X1 is also engineered for ease of use and installation. With its straightforward wiring connections and compact form factor, it can be quickly integrated into both new systems and retrofit projects. Its proven mechanical and electrical durability ensures long service life, even in demanding operating environments where relays are subject to frequent switching cycles.
As part of the Pilz PNOZ series, the X1 model carries forward the brand’s reputation for reliability, safety, and compliance with international standards. It is particularly suited for applications requiring monitoring of emergency stop functions, movable guard doors, light curtains, or two-hand control devices. In all cases, the relay ensures that hazardous machinery is stopped immediately in the event of an unsafe condition, preventing accidents and safeguarding workers.
In summary, the Pilz PNOZ X1 24VAC/DC 3N/O 1N/C safety relay combines dual-voltage flexibility, efficient power consumption, and versatile contact configuration within a robust, compact design. Trusted by industries worldwide, it delivers dependable performance in safety-critical applications, helping businesses achieve compliance and maintain safe, productive operations.
Product Specifications
| Manufacturer | Pilz |
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