Title: Pilz PNOZ X2.8P Safety Relay - 24VDC, 2 N/O, 1 N/C - Reliable Machine Safety Solution - Part No. 773900

Product Overview:
The Pilz PNOZ X2.8P safety relay, identified by part number 773900, is a cornerstone component for establishing robust and compliant safety functions in industrial machinery and plant engineering. Engineered to meticulously monitor critical safety devices such as emergency stop pushbuttons, safety gates, and light barriers, this compact 24VDC safety relay ensures the unwavering safety of your equipment by reliably initiating a safe shutdown of hazardous movements in the event of a fault or emergency. Leveraging the proven and trusted PNOZ X series technology, the PNOZ X2.8P guarantees maximum safety performance up to Performance Level e (PL e) and Safety Integrity Level 3 (SIL CL 3), making it an indispensable choice for the most demanding safety-related applications across a multitude of industries. Its intuitive design, coupled with comprehensive diagnostic capabilities via integrated LEDs, significantly simplifies installation, commissioning, and ongoing maintenance, thereby contributing to enhanced operational efficiency, reduced downtime, and seamless compliance with stringent international safety standards. This device is crucial for modern industrial automation seeking to achieve high levels of personnel and machine protection.

Key Features & Benefits:

High Safety Performance: Achieves an impressive safety rating of up to Performance Level e (PL e) and Category 4 according to EN ISO 13849-1, and Safety Integrity Level 3 (SIL CL 3) according to IEC 61508, providing the highest level of protection for operators and valuable machinery.
Versatile Input Monitoring: Designed for flexible integration, it is capable of monitoring both single-channel and dual-channel emergency stop buttons, safety gates, and light curtains, offering adaptability for diverse safety circuit architectures.
Multiple Output Contacts: Equipped with 2 normally open (N/O) instantaneous safety contacts for immediate and safe disconnection of power, and 1 normally closed (N/C) auxiliary contact for non-safety related status indication or diagnostic feedback to control systems.
Wide Voltage Compatibility: Operates reliably and efficiently on a standard 24 V DC supply voltage, ensuring seamless integration with most common industrial control systems and power infrastructures.
Selectable Reset Function: Provides both automatic and monitored manual reset options, allowing for adaptable system behavior and restart procedures based on specific application requirements and operational protocols.
Integrated Diagnostics: Features clear LED indicators for supply voltage status, input channel status, and output contact status, enabling rapid and efficient troubleshooting, minimizing diagnostic time, and maximizing uptime.
Compact and Space-Saving Design: Its narrow housing, typically 22.5 mm in width, allows for highly efficient utilization of control cabinet space, making it an ideal solution for installations with limited mounting room.
Robust and Durable Construction: Engineered with high-quality components for demanding industrial environments, ensuring exceptional long-term reliability, resistance to operational stresses, and an extended service life.
Easy Installation: Designed for straightforward DIN rail mounting and features clearly labeled, accessible terminals for quick and error-free wiring, significantly reducing installation time and labor costs.
Global Compliance: Fully complies with essential international safety standards and directives, facilitating global deployment and ensuring adherence to regulatory requirements across different regions.

Applications:

Emergency Stop Circuits: Provides reliable and instantaneous monitoring of emergency stop pushbuttons on all types of industrial machinery and production lines.
Safety Gate Monitoring: Essential for securing access points, preventing machine operation when safety gates or protective doors are open, and ensuring personnel safety.
Light Curtain and Scanner Monitoring: Seamlessly integrates with optical safety devices to detect personnel intrusion into hazardous areas, initiating a safe stop.
Two-Hand Control 
Applications:
 Crucial for ensuring operator safety in presses, stamping machines, and other equipment requiring simultaneous two-hand operation to initiate a cycle.
Press Safety: Implements critical safety functions for both hydraulic and mechanical presses, safeguarding operators during operation.
Robotics and Automation: Safeguards human-robot collaboration zones, automated assembly lines, and robotic work cells, ensuring safe interaction.
Packaging Machinery: Ensures safe operation during various packaging, sealing, labeling, and filling processes, protecting operators and preventing accidents.
Material Handling Systems: Protects operators around conveyors, automated guided vehicles (AGVs), lifting equipment, and other material transport systems.
General Machine Safety: A fundamental and versatile component for any industrial application requiring reliable monitoring of safety-related inputs and safe disconnection of power to prevent injuries and damage.

Technical Specifications:

Part Number: PILZ 773900
Alternative Part Number: PILZ 773-900
Product Type: Safety Relay
Series: PNOZ X
Model: PNOZ X2.8P
Supply Voltage: 24 V DC
Inputs: 1 or 2-channel wiring with/without cross-fault detection capability
Safety Outputs: 2 N/O (Normally Open) instantaneous safety contacts
Auxiliary Outputs: 1 N/C (Normally Closed) auxiliary contact for status indication
Reset Function: Automatic or Monitored Manual Reset selectable
Safety Category (EN ISO 13849-1): Up to Category 4
Performance Level (EN ISO 13849-1): Up to PL e
SIL Claimed Level (IEC 62061): Up to SIL CL 3
Operating Temperature: -10 °C to +55 °C
Storage Temperature: -40 °C to +85 °C
Mounting: DIN rail mountable
Housing Width: 22.5 mm
Protection Class (Housing): IP40
Protection Class (Terminals): IP20
Weight: 0.25 kg