Why Choose the ABB 1SAZ421301R1002 Thermal Overload Relay?
The ABB 1SAZ421301R1002 is a robust and reliable thermal overload relay designed to provide motor protection against overloads and phase failures in industrial motor control applications. As part of the ABB TA200DU thermal overload relay series, it provides dependable protection, adjustable current settings and flexible reset options for demanding electrical systems.
This thermal overload relay is designed for use with ABB contactors and motor starters, helping protect motors from excessive current conditions while maintaining reliable operation. The TA200DU series includes temperature compensation, trip-free operation, test and stop functions, and clear trip indication for efficient maintenance and fault diagnosis.
With an adjustable current range of 80–110 A, a Class 10A trip characteristic and 1 NO + 1 NC auxiliary contacts, the ABB 1SAZ421301R1002 is ideal for protecting large industrial motors and machinery requiring dependable overload protection.
Key Advantages
- Reliable ABB thermal overload relay for industrial motor protection.
- Adjustable 80–110 A current setting range for flexible motor protection.
- Class 10A tripping characteristic suitable for standard motor starting applications.
- Protection against motor overload and phase failure conditions.
- Automatic or manual reset selection for flexible maintenance requirements.
- Compatible with ABB contactor and motor starter systems.
Key Features
- ABB TA200DU thermal overload relay series.
- 80–110 A adjustable overload setting range.
- 1 normally open and 1 normally closed auxiliary contact.
- Class 10A trip performance.
- Temperature-compensated operation.
- Trip-free mechanism for reliable protection.
- Integrated STOP and TEST functions.
- Manual or automatic reset capability.
Reliable Motor Protection for Industrial Systems
Thermal overload relays such as the ABB 1SAZ421301R1002 protect electric motors by monitoring current levels and disconnecting the control circuit when an overload condition occurs. This helps prevent motor damage, reduces downtime and improves the reliability of industrial machinery.
The ABB TA200DU series is designed for integration with industrial contactors and motor starters. Its adjustable settings, temperature compensation and diagnostic features provide dependable protection for demanding automation and manufacturing environments.
Typical Applications
- Industrial motor protection systems.
- Machine building and OEM equipment.
- Pumps and process machinery.
- Conveyors and material handling systems.
- Industrial control panels.
- Motor starters and contactor assemblies.
