Phoenix Contact PSR-MC37-3NO-1NC-24DC-SP


The Phoenix Contact PSR-MC37-3NO-1NC-24DC-SP safety relay (catalog number 2702412) is designed for reliable emergency shutdowns and safety door monitoring, making it well-suited for elevator systems and other safety-critical applications. This device supports operation up to SIL 3 and meets Category 4, Performance Level e requirements, ensuring a high level of functional safety. It can be configured for either one- or two-channel operation and offers both automatic and manual start options, along with built-in cross-circuit detection for added reliability. The relay features three enabling current paths and operates at a 24 V DC supply voltage. Distributed by BSP Automation, this safety relay provides a robust solution for enhancing protective measures in industrial automation environments.
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