- 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 777951 Safety relays / protection relays
Mfr # 777951
$816.11
/ea
Availability: Available to Order|Typically ships within 7 to 10 business days. Lead time may vary based on supplier availability.
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- Wide Supply Voltage Range: Operates on 24-240 V AC/DC, ensuring flexibility for diverse control environments.
- Low Power Consumption: Consumes only 5 VA (AC) or 3 W (DC), making it energy-efficient and cost-effective.
- Adjustable Response Range: Provides a sensitivity setting range from 7.5 mV to 500 mV, allowing precise monitoring of low-level signals.
- Standards-Compliant Safety Performance: Built to meet stringent industrial safety requirements, ensuring reliable operation in demanding applications.
The Pilz PSWZ X1P 0.0075–0.5V/24–240VACDC (Part No. 777951) is a specialised safety relay designed for precise monitoring and protection in industrial environments. It combines a broad operating voltage range, low energy consumption, and highly sensitive signal detection, making it a versatile choice for applications that demand reliable performance and compliance with international safety standards.
One of the standout features of the PSWZ X1P is its wide supply voltage compatibility, supporting both AC and DC operation from 24 V up to 240 V. This versatility ensures that the relay can be deployed across a broad range of machine and control system designs without requiring multiple variants, simplifying both inventory management and system integration.
The unit is engineered for energy efficiency, with a consumption of just 5 VA on AC supply or 3 W on DC supply. This low power requirement reduces the overall load on system power supplies, minimises heat generation in control cabinets, and supports continuous operation without compromising reliability.
A defining feature of the PSWZ X1P is its adjustable response sensitivity range, spanning from 7.5 mV to 500 mV. This capability allows the relay to detect and respond to very low signal levels, making it particularly useful in applications involving sensor monitoring, fault detection, or conditions where subtle voltage variations need to trigger a safety function. By offering such fine control, the device ensures greater flexibility and adaptability to specific application needs.
Designed to meet stringent industrial safety and performance standards, the PSWZ X1P ensures dependable operation under demanding conditions. Its rugged construction makes it suitable for continuous use in industries where high reliability is non-negotiable, such as manufacturing, process automation, robotics, packaging, and material handling. The robust safety design ensures operators and equipment remain protected, even in environments subject to frequent switching cycles or harsh ambient conditions.
Installation and integration are streamlined thanks to its compact housing and clearly labelled terminals, which reduce wiring complexity and commissioning time. Once installed, the PSWZ X1P delivers long-lasting, maintenance-free operation, helping reduce downtime and ensuring high system availability.
The combination of flexible supply options, low power use, precision sensitivity adjustment, and compliance with international standards makes this safety relay a reliable solution for a wide variety of applications. It is particularly valuable in systems that require the detection of fine electrical variations to safeguard machinery or trigger protective functions, enhancing both safety and productivity.
In summary, the Pilz PSWZ X1P 0.0075–0.5V/24–240VACDC (777951) offers broad voltage compatibility, energy-efficient performance, highly sensitive signal detection, and rugged industrial reliability. It is a versatile safety relay engineered to provide precise, dependable protection across diverse automation and safety applications.
Product Specifications
| Manufacturer | Pilz |
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