ABB TA2X3.2-65 Thermal Overload Relay for Efficient and Reliable Motor Protection Compliant with IEC/EN 60947-4-1 Standard

TA2X3.2-65 ABB TThermal overload relay Provide efficient reliable motor protection

Product Overview

ABB TA2X3.2-65 is a high-performance thermal overload relay, specifically designed to protect small and medium-sized three-phase asynchronous motors from overload and phase loss faults. This model supports one normally open (NO) auxiliary contact and features high-precision thermal protection. It is widely used in industrial automation, building automation and infrastructure projects. It can be used in conjunction with contactors to provide a comprehensive motor protection solution, and it features a compact design and high reliability.

Key features

✅ precise overload protection

Adopting the principle of bimetallic strip thermal sensing, the tripping characteristic complies with the IEC/EN 60947-4-1 standard (Class 10A), ensuring that the power supply of the motor is cut off in time when overloaded.

✅ phase loss protection function

It is equipped with a built-in three-phase current imbalance detection mechanism. Once any phase is disconnected, it will trigger a trip to prevent the motor from burning out due to single-phase operation.

✅ space-saving & flexible installation

The width is only 45mm
Supports 35mm DIN rail mounting
It can be directly assembled on the right side of ABB A series contactors without the need for additional main circuit wiring
✅ security compliance certification

It has passed global mainstream certifications such as CE, UL, CSA, CCC, and TUV, and complies with RoHS and REACH environmental protection requirements.

✅ easy to maintain

The transparent window allows for a direct view of the tripping status. The reset button is easy to operate. It resets automatically by default. A manual reset module can also be optionally equipped to enhance safety.

Basic parameters
Model TA2X3.2-65
Series ABB TA2X series thermal overload relays
Rated operating current (Ie) 3.2-65 A (AC- 3,400 V)
Rated insulation voltage (Ui) : 690 V AC
Rated operating voltage (Ue) 230/400/690 V AC (50/60 Hz)
Auxiliary contact configuration 1 NO (Always open)
The deduction level is Class 10A
Reset mode: Automatic reset (default), manual reset of attachments (such as HHRM -11)
Protection grade IP20 (front)
Installation method: 35mm DIN rail or assembled on ABB A series contactors
Operating temperature range: -25°C to +55°C
Storage temperature: -40°C to +85°C
Altitude ≤ 2000 m (no volume reduction)
Dimensions (width × height × depth) : 45mm × 90mm × 78mm
Weight ≈ 0.18 kg

Typical application scenarios
Industrial automation
It is used for the starting, stopping and protection of medium-voltage motors, such as water pumps, fans, compressors and other equipment.
Power transmission and distribution
Load switching and protection in scenarios such as medium-voltage switch cabinets and substations.
Energy and infrastructure
Auxiliary control of photovoltaic inverters, pumping stations of water treatment plants, and backup power switching systems.
OEM equipment integration
As a standard component embedded in the OEM control cabinet, it enhances the reliability of the entire machine.

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