Siemens Sirius Relay 3UG4615-1CR20
Siemens Sirius Relay 3UG4615-1CR20
The Siemens SIRIUS Relay 3UG4615-1CR20 from Siemens is a reliable digital monitoring relay designed for industrial automation and electrical protection systems. This SIRIUS relay is mainly used for monitoring three-phase voltage supply in industrial applications. It helps detect phase failure, phase sequence errors, undervoltage, overvoltage, and phase asymmetry, ensuring safe and stable machine operation. The Siemens SIRIUS Relay 3UG4615-1CR20 supports a wide voltage range from 160 V to 690 V AC and is suitable for DIN rail mounting. It comes with adjustable hysteresis and time delay settings for accurate monitoring and protection. The relay features screw terminal connections, compact design, and IP20 protection for reliable industrial use. This digital monitoring relay is widely used in textile machinery, motor protection systems, automation panels, pumps, compressors, and industrial process control applications. Overall, the Siemens SIRIUS relay provides safe, efficient, and dependable monitoring performance in modern industrial environments.
OVERVIEW
The Siemens SIRIUS Relay 3UG4615-1CR20 from Siemens is a high-performance monitoring relay designed for industrial automation and electrical protection systems. This SIRIUS relay is mainly used for monitoring three-phase power supply conditions in industrial machines and control panels. It helps protect equipment from phase failure, incorrect phase sequence, undervoltage, overvoltage, and voltage imbalance.
The Siemens SIRIUS Relay 3UG4615-1CR20 is built with advanced monitoring technology for accurate and reliable performance. It supports a wide operating voltage range and includes adjustable time delay and sensitivity settings for flexible industrial use. The compact design and DIN rail mounting make installation simple and convenient in automation panels.
This industrial monitoring relay is widely used in textile machinery, pumps, compressors, motors, and process control systems. It helps improve machine safety, reduce electrical faults, and increase operational reliability. Overall, the Siemens SIRIUS relay provides efficient and dependable protection for modern industrial applications and automation systems.
SPECIFICATION
Brand: Siemens
Model Number: 3UG4615-1CR20
Product Type: Digital Monitoring Relay / Voltage Monitoring Relay
Series: SIRIUS 3UG4
Application: Industrial process monitoring and electrical protection
Monitoring Function: Phase failure, phase sequence, undervoltage, overvoltage, phase asymmetry
Voltage Range: 3 x 160 V to 690 V AC
Frequency Range: 50 to 60 Hz
Output Contacts: 2 Changeover (CO/DPDT) contacts
Contact Rating: 250 V AC / 3 A
Hysteresis Setting: Adjustable from 1 V to 20 V
Time Delay: Adjustable from 0.1 s to 20 s
Mounting Type: DIN rail mounting
Connection Type: Screw terminal
Protection Rating: IP20
Operating Temperature: -20°C to +65°C
Dimensions: 22.5 × 110 × 91 mm
Weight: Approx. 146 g
Usage: Textile machinery, motors, compressors, pumps, and automation control panels
FEATURES
The Siemens SIRIUS Relay 3UG4615-1CR20 from Siemens offers advanced protection and reliable monitoring for industrial automation systems. This SIRIUS relay is designed to monitor three-phase voltage supply and protect industrial equipment from phase failure, incorrect phase sequence, undervoltage, overvoltage, and voltage imbalance. It helps improve machine safety and stable operation in industrial environments.
The Siemens SIRIUS Relay 3UG4615-1CR20 features adjustable time delay and sensitivity settings for accurate monitoring performance. It supports a wide operating voltage range, making it suitable for different industrial applications. The compact DIN rail design allows easy installation inside control panels and automation systems.
This industrial monitoring relay provides fast response and dependable electrical protection for motors, pumps, compressors, textile machinery, and process control systems. It also offers low maintenance, strong durability, and long operational life. Overall, the Siemens SIRIUS relay improves system reliability, machine protection, and industrial process efficiency.
