ABB ta200du-200 thermal overload relay 150a - 200a

Why Choose the ABB TA200DU-260 Thermal Overload Relay?

The ABB TA200DU-260 thermal overload relay is a high-performance motor protection device developed to safeguard industrial motors against overload currents, phase imbalance and phase failure. Identified by part number 1SAZ421201R1006, this relay forms part of the trusted ABB TA200DU thermal overload relay series, designed for demanding industrial automation and motor control applications.

Engineered for large industrial motors and heavy-duty equipment, the TA200DU-260 features an adjustable current setting range of 200 to 260 A. The relay delivers accurate and dependable thermal motor protection while allowing direct mounting onto compatible ABB block contactors, helping reduce installation time and optimise panel layouts.

The relay includes trip class 10A protection, temperature compensated tripping characteristics, selectable manual or automatic reset functionality, and integrated STOP and TEST buttons. Auxiliary signalling contacts provide straightforward integration into industrial automation systems and motor starter circuits for enhanced monitoring and operational safety.

Key Advantages

• Reliable thermal overload protection for high-current industrial motors.
• 200–260 A adjustable current range for heavy-duty applications.
• Protection against motor overload and phase failure.
• Trip class 10A suitable for standard motor starting conditions.
• Direct mounting onto ABB block contactors for compact installation.
• Manual or automatic reset selectable.
• Integrated STOP and TEST controls for maintenance and diagnostics.

Key Features

• ABB TA200DU thermal overload relay series.
• 200–260 A adjustable setting range.
• 3-pole thermal overload relay.
• Trip class 10A motor protection.
• Integrated 1 NC trip contact.
• Integrated 1 NO signalling contact.
• Automatic or manual reset operation.
• Temperature compensated thermal protection.
• Trip indication and trip-free release mechanism.
• Direct mounting to compatible ABB contactors.

Technical Specifications

• Manufacturer: ABB
• Series: TA200DU
• Model: TA200DU-260
• Part number: 1SAZ421201R1006
• Product type: Thermal overload relay
• Current setting range: 200–260 A
• Rated operational current: 260 A
• Trip class: 10A
• Rated operational voltage: Up to 690 V AC
• Rated insulation voltage: 690 V
• Number of poles: 3P
• Auxiliary contacts: 1 NC + 1 NO
• Frequency: 50 / 60 Hz
• Protection rating: IP20
• Mounting type: Direct mounting to contactor
• Operating temperature: approx. -25 °C to +60 °C
• Dimensions (H × W × D): approx. 151 × 104 × 126 mm
• Weight: approx. 0.82 kg

Heavy-Duty Motor Protection for Industrial Applications

Thermal overload relays protect motors by monitoring current draw and disconnecting the motor supply if overload or phase failure conditions occur. This helps prevent motor overheating, insulation damage and costly equipment downtime in demanding industrial processes.

The ABB TA200DU series is widely used in industrial motor starters, process automation systems and heavy-duty machinery where dependable motor protection is critical. Its direct-mount design simplifies installation while ensuring long-term operational reliability.

Typical Applications

• Industrial motor starters and MCC systems.
• Large pumps and compressor installations.
• Conveyor and material handling systems.
• Heavy industrial manufacturing machinery.
• Industrial process automation systems.
• OEM machine building and motor control panels.

Trusted by Industrial Automation Professionals

ABB thermal overload relays are trusted worldwide across industrial automation and manufacturing industries for dependable motor protection, operational safety and long-term performance in demanding motor control applications.