- 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
Free Shipping: $50+ U.S. orders | $350+ International orders
12-Month Warranty
Hassle-Free Returns Within 30 days
Over 100,000 parts in stock
- Brand: Pilz
Pilz 777148 Safety relays / protection relays
Mfr # 777148
$454.03
/ea
Availability: Available to Order|Typically ships within 7 to 10 business days. Lead time may vary based on supplier availability.
- Free shipping on U.S. orders over $50 and international orders over $350.
- Hassle-Free 30-Day Returns.
- 12-Month Warranty for all products.
- Get 10% off—join our email list.
Accepted Payments
- Wide Supply Voltage Range: Operates on 24-240 V AC/DC with auxiliary 24 V supply, offering maximum flexibility across varied industrial installations.
- Extensive Contact Configuration: Provides 8 normally open (N/O) safety contacts and 1 normally closed (N/C) auxiliary contact for complex safety applications.
- High Power Efficiency: Consumes 9.5 VA on AC and 6 W on DC operation, ensuring stable performance while optimising energy usage.
- Robust and Standards-Compliant: Designed for demanding environments and compliant with international safety standards for machine and personnel protection.
The Pilz PZE 9P 24VACDC 24–240VACDC 8N/O 1N/C, part number 777148, is a powerful and versatile safety relay designed for complex industrial applications where multiple safety functions need to be monitored and controlled simultaneously. Belonging to the trusted Pilz PZE series, this relay stands out for its wide supply voltage compatibility, extensive contact configuration, and robust performance under demanding operating conditions.
A key advantage of the PZE 9P is its broad supply voltage range of 24–240 V AC/DC, with an additional auxiliary 24 V supply input. This wide operating window ensures seamless integration into diverse automation systems, whether retrofitting existing machines or implementing new safety designs. It eliminates the need to source different models for different voltage systems, providing flexibility and reducing inventory complexity for operators and integrators.
The relay’s contact configuration is particularly notable. With 8 normally open (N/O) safety contacts, it is well-suited to applications requiring the simultaneous control of multiple actuators, motors, or circuits. This makes it ideal for large-scale machinery where several hazardous energy sources must be disconnected at once during an emergency stop or safety event. Additionally, the 1 normally closed (N/C) auxiliary contact provides valuable status monitoring, enabling integration into higher-level control systems for diagnostics, alarms, or feedback loops.
Efficiency and stability are ensured by its optimised power consumption: 9.5 VA in AC mode and 6 W in DC mode. Despite handling extensive safety functions, the relay maintains energy-conscious performance, aligning with modern industrial requirements for cost-effective and efficient operation.
The PZE 9P is designed for reliable monitoring of safety devices such as emergency stop buttons, guard door switches, light curtains, and two-hand controls. In the event of a safety trigger, it guarantees immediate and dependable interruption of hazardous energy, protecting both personnel and equipment. Its robust electromechanical construction ensures long service life, consistent performance, and reduced downtime, even under the stress of continuous industrial operation.
Compliant with recognised international safety standards, the relay provides assurance of regulatory alignment and dependable machine safety. Its extensive contact capacity, broad voltage compatibility, and durable design make it particularly suitable for industries such as manufacturing, packaging, material handling, and process automation—where safety integrity and reliability are paramount.
In summary, the Pilz PZE 9P 24VACDC 24–240VACDC 8N/O 1N/C (777148) is a highly versatile and powerful safety relay designed for complex safety applications. With its wide supply voltage range, large number of safety contacts, auxiliary monitoring contact, and efficient power usage, it offers a reliable and standards-compliant solution for safeguarding personnel and machinery across a wide variety of industrial environments.
Product Specifications
| Manufacturer | Pilz |
|---|
We’re Always Ready to Assist You
Submit A Request
Reach us through our form.
Give Us A Call
Connect with a representative.
Live Chat
Chat live with our support team.

Reviews
There are no reviews yet.