ABB 1SAZ511201R1001 – TA450DU-185 Thermal Overload Relay, 130–185 A
The ABB 1SAZ511201R1001 is the TA450DU-185, a thermal overload relay with a 130–185 A setting range from ABB’s TA450DU series. It is an economic electromechanical protection device for the main circuit, giving reliable and fast protection for motors in the event of overload or phase failure. The relay mounts directly onto ABB block contactors, making it a practical choice for protecting large motors in pumps, fans, compressors and conveyors. Atlantech Drives supplies the ABB 1SAZ511201R1001 with fast shipping and quick quotations.
Protection Features
- Setting range: 130–185 A
- Trip class: 10A
- Temperature compensation
- Trip contact (NC) and signal contact (NO)
- Automatic or manual reset, selectable
- Trip-free mechanism
- STOP and Test functions
- Trip indication
Electrical and Environmental Data
- Poles: 3
- Rated insulation voltage Ui: 690 V
- Rated impulse withstand voltage Uimp: 6 kV (main and auxiliary circuit)
- Power loss: 2.2 W per pole at rated operating conditions
- Degree of protection: IP20
- Operating temperature (compensated): –25 to +55 °C | Storage: –40 to +70 °C
- Standards: IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1
- Weight: 1.5 kg
Mounting and Accessories
- Mounts directly onto ABB block contactors (A210 to A300 range)
- Single mounting kits available for separate installation
- Remote reset coil ABB 1SAZ201504R0006 compatible with the TA450DU series
Choosing the Right ABB TA450DU Setting Range
- ABB 1SAZ511201R1001 – TA450DU-185: 130–185 A
- ABB 1SAZ511201R1002 – TA450DU-235: 165–235 A
- ABB 1SAZ511201R1003 – TA450DU-310: 220–310 A
- ABB 1SAZ511301R1001 – TA450DU-185-V1000: ATEX version of the 130–185 A relay
Buy ABB 1SAZ511201R1001 from Atlantech Drives
- Fast worldwide shipping
- Competitive pricing for panel builders, OEMs and maintenance teams
- Get a Quote: our senior commercial team can supply the TA450DU-185 together with the matching ABB contactor and accessories
