ABB 1SAZ421301R1003 TA200DU thermal overload relay with 100–135 A adjustable current range designed for industrial motor protection applications.
£354.16
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.
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.
| Manufacturer | ABB |
|---|---|
| Series | TA200DU |
| Model | TA200DU-135-V1000 |
| Part number | 1SAZ421301R1003 |
| Product type | Thermal overload relay |
| Adjustable current range | 100–135 A |
| Rated current | 135 A |
| Trip class | Class 10A |
| Number of poles | 3 |
| Auxiliary contacts | 1 NO + 1 NC |
| Reset method | Automatic or manual |
| Rated insulation voltage | 690 V AC |
| Contact voltage | 500 V AC |
| Protection rating | IP20 / IP00 |
| Mounting type | Direct mounting / standalone installation |
| Terminal type | Screw terminals |
| Dimensions (W × H × D) | approx. 104 × 126 × 126 mm |
| Operating temperature | -5 to +40 °C |
The ABB 1SAZ421301R1003 TA200DU-135-V1000 is a thermal overload relay used to protect industrial motors against overload and phase failure conditions.
The relay supports an adjustable current range of 100–135 A.
The ABB TA200DU-135-V1000 provides a Class 10A thermal overload trip characteristic.
Yes, the device includes 1 normally open and 1 normally closed auxiliary contact.
The overload relay is typically installed by direct mounting to compatible ABB contactors or within industrial motor starter assemblies.
ABB TA200DU thermal overload relays are widely used in industrial motor control systems to provide reliable protection, flexible adjustment and efficient integration into modern automation equipment.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...