Pilz 24V DC Safety Relay with 3 Safety Contacts and 3 Auxiliary Contacts PSR MC20-3NO-1DO-24DC-SP

Phoenix Contact PSR-MC20-3NO-1DO-24DC-SP is a highly compact safety relay engineered for industrial safety automation systems operating at 24V DC. It offers 3 safety contacts and 3 auxiliary contacts with the option for automatic or manual reset. The relay features a slim design with a width of only 12.5 mm enabling space-saving installation on DIN rails.

The device employs secure cage clamp terminal connections and is rated for IP20 ingress protection. It is designed to operate reliably in harsh conditions with a temperature range from -40°C up to 55°C.

Compliant with critical safety standards such as IEC 61508, ISO 13849, and IEC 62061, this relay delivers maximum safety assurance certified to SIL CL 3 and PLe performance levels. It is suitable for emergency stop circuits, safety doors, and light curtain monitoring, ensuring protection of personnel and machinery in manufacturing and automation environments.

The low power consumption at 1.92W enhances energy efficiency, while its 6 A maximum contact rating supports high switching loads. The inclusion of spring cage connections and multiple enabling current paths simplifies wiring and diagnostics, reducing downtime.

With approvals from CE, UL, cULus, and TUV, this relay meets global industrial compliance requirements. This safety relay includes automatic and manual reset options for flexible control. The compact device is DIN rail mounted with a narrow width of 12.5 mm.

It features cage clamp terminals ensuring secure wiring connections. Supports operating temperatures ranging from -40°C to 55°C for wide environmental tolerance. Complies with international safety standards including IEC 61508 and ISO 13849, guaranteeing reliable performance.

Suitable for monitoring emergency stops, safety doors, and light curtains in industrial automation. Power consumption is low at 1.92W, optimizing energy efficiency in control panels.

This relay is ideal for industrial, manufacturing, HVAC, and automated safety control applications requiring certified, reliable safety switching solutions. Explore a wide range of Phoenix Contact Safety Relays and other industrial automation components on EnvMart for your projects.