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Why SIRIUS Monitor 3RQ0?

The SIRIUS 3RQ0 pin relay series provides reliable signal switching and electrical isolation between PLCs and control loads. Designed to protect controller interfaces while ensuring accurate signal transmission, the series supports a wide range of automation and control applications.

The 3RQ0 family includes multiple relay types tailored for different operating environments, performance levels and installation requirements. With flexible contact configurations, integrated status indicators and optional surge suppression, the series helps simplify system design while improving operational reliability.

Variants in the series include:

  • 3RQ001 – General purpose relay
  • 3RQ002 – High protection relay
  • 3RQ003 – Power relay
  • 3RQ005 – Standard relay
  • 3RQ006 – Slim relay
  • 3RQ007 – High-performance relay

Key benefits

Protect controllers and improve signal reliability

Isolate PLC outputs from control loads to prevent electrical interference and port damage while ensuring precise and stable signal switching across automation systems.

Adapt easily to diverse automation applications

Select from multiple relay variants, contact configurations and current ratings to support applications ranging from general control tasks to high-power or high-protection environments.

Simplify installation and troubleshooting

Reduce wiring effort and improve diagnostics with integrated LED and mechanical status indicators, optional spring terminals and built-in test lever functions for faster commissioning and maintenance.

Featured capabilities