The SIEMENS 3RB2056-1FW2 thermal overload relay is designed for reliable protection of large industrial motors with a current range of 50 to 200 A. It offers precise overload and phase failure protection, helping to prevent motor damage and reduce downtime. Part of the advanced Siemens 3RB20 series, this relay is optimized for use with Siemens contactors and motor starters in heavy-duty applications.
Adjustable current range: 50 A to 200 A
Advanced phase failure detection
Trip Class 10 for fast and accurate motor protection
Selectable manual and automatic reset
Ambient temperature compensation for stable and consistent operation
Test and reset buttons for easy troubleshooting and maintenance
Robust construction for industrial use
Compatible with Siemens 3RB20 contactors and motor starters
Compliant with IEC/EN 60947-4-1 and other relevant standards