Why Choose the ABB 1SAZ421301R1003 TA200DU Thermal Overload Relay?
The ABB 1SAZ421301R1003 is a robust and reliable thermal overload relay designed to provide dependable motor protection against overload conditions and phase failures in industrial motor control applications. As part of the proven ABB TA200DU thermal overload relay series, it delivers accurate adjustable protection, simple integration and reliable operation for high-current motor starter assemblies.
This overload relay is designed for use with ABB contactors and motor starters, providing protection by monitoring motor current and disconnecting the control circuit when excessive current conditions occur. Its adjustable current range and selectable reset functionality make it suitable for a wide range of industrial motor applications.
With an adjustable current range of 100–135 A, the ABB 1SAZ421301R1003 TA200DU-135-V1000 is ideal for protecting large industrial motors in three-phase applications where reliable overload protection and straightforward installation are required.
Key Advantages
- Reliable thermal overload protection for industrial motors.
- 100–135 A adjustable current range for high-power motor applications.
- Protects motors against overload and phase failure conditions.
- Automatic or manual reset capability for flexible operation.
- Direct mounting capability with compatible ABB contactors.
- Designed for demanding industrial control and automation systems.
Key Features
- ABB TA200DU thermal overload relay.
- 100–135 A adjustable overload setting range.
- Class 10A thermal trip characteristic.
- 3-pole motor protection design.
- 1 normally open and 1 normally closed auxiliary contact.
- Automatic or manual reset selection.
- Compatible with ABB contactor-based motor starters.
- Suitable for industrial motor protection assemblies.
Reliable Motor Protection for Industrial Systems
Thermal overload relays such as the ABB TA200DU monitor motor current and provide protection against excessive loading that could cause overheating or motor damage. By disconnecting the control circuit during overload conditions, they help improve equipment reliability and reduce unplanned downtime.
The ABB TA200DU series is designed for industrial automation engineers, panel builders and machine manufacturers requiring dependable motor protection solutions. Its adjustable settings, auxiliary contacts and compatibility with ABB contactors make it suitable for a wide range of motor starter configurations.
Typical Applications
- Industrial motor starter assemblies.
- Large pumps and pumping systems.
- Fans and ventilation equipment.
- Conveyors and material handling systems.
- Production machinery and processing equipment.
- OEM automation control panels.
