1115873

Overview

The SICK model 1115873 is a safety relay designed for industrial automation applications. It features a dual-channel architecture with two safety-rated contacts and one non-safety contact, ensuring reliable monitoring of safety functions. The unit supports a wide operating voltage range from 24 to 240 V AC/DC, allowing compatibility with various control systems. It includes LED indicators for status display and offers flexible mounting options on standard DIN rails. The device complies with relevant safety standards, providing robust protection against hazardous failures in machinery environments.

Feature Summary

• Dual-channel safety architecture with integrated monitoring capabilities
• Wide operating voltage compatibility for diverse industrial power supplies
• Visual status indication through dedicated LED indicators
• Standardized DIN rail mounting for easy integration

Applications

• Safety circuit monitoring in automated manufacturing lines
• Emergency stop circuit implementation in industrial machinery
• Guard door interlocking systems for protective equipment
• Two-hand control device supervision in press operations

Procurement Notes

Verify the specific order number matches the required safety category and performance level for your application. Confirm the coil voltage rating aligns with your control system's output specifications. Check for any regional certification requirements such as CE or UL marking depending on the deployment location. Ensure that the auxiliary contacts meet the logic requirements of your safety PLC or relay chain configuration before finalizing the purchase.

Selection Notes

Select this model based on the need for a compact safety relay with dual-channel input processing. Consider the available contact configuration if additional signaling or latching functions are required beyond basic safety interruption. Evaluate the environmental conditions to ensure the operating temperature range suits the installation site. Compare the response time characteristics against the machine's cycle speed to guarantee timely safety intervention during fault scenarios.

Part Context

This component belongs to SICK's portfolio of safety components, which are engineered to meet stringent machinery safety directives. It serves as a critical interface between safety sensors and actuators, translating sensor signals into safe control outputs. The product line emphasizes high reliability and diagnostic coverage to minimize downtime while maintaining operator safety in complex industrial settings.

Replacement Considerations

Consult official SICK documentation for direct cross-reference part numbers. Verify that any substitute maintains identical safety integrity levels and contact configurations. Ensure mechanical dimensions and pin assignments match existing panel layouts to avoid rewiring. Confirm that the replacement unit holds valid certifications for the intended market.