Siemens SIRIUS 3UG4615-1CR20 Phase Monitoring Relay 3-Phase 160-690V Digital

This listing is for a Siemens SIRIUS 3UG4615-1CR20 Phase Monitoring Relay, used and in working condition. Designed for industrial applications, this unit ensures reliable voltage and phase sequence monitoring in 3-phase systems.

• Brand: Siemens

• Model: SIRIUS 3UG4615-1CR20

• Condition: Used, fully functional. Shows minor signs of previous installation, no significant cosmetic wear.

• Technical Specifications:

  • Monitoring relay for 3-phase line voltage

  • Voltage range: 160–690 V AC, 50/60 Hz

  • Two switching contacts (2CO)

  • Detects phase failure, incorrect phase sequence, overvoltage and undervoltage

  • Adjustable on/off delay; auto-reset; memory function

  • DIN rail mount, screw terminal connections

  • Rated current: up to 3A at 400V AC, max switchover 4A

  • Operating temperature: -25°C to +60°C

• Main Features:

  • Real-time monitoring and protection for motors and equipment

  • LED/LCD digital status display

  • Compact design for easy cabinet integration

  • Suitable for industrial automation or as a collector’s item from Siemens’ robust SIRIUS series

• Collector/B2B Background:

  • Siemens SIRIUS relays are trusted worldwide for industrial and commercial control panels, process automation, and motor protection. Models like this are valued for their reliability and easy parameterization.

Ideal for companies maintaining electrical infrastructure, automation hobbyists, and Siemens collectors.