The ABB TF140DU-142 thermal overload relay is engineered for high-performance motor protection in heavy industrial applications. With an adjustable current range of 110 to 142 A, it is designed to integrate seamlessly with ABB AF116 to AF140 contactors. This device protects motors from overload, phase loss, and current imbalance, ensuring enhanced reliability, operational safety, and equipment longevity in critical systems.
Adjustable current range: 110 – 142 A
Trip class 10A: Fast and accurate overload response
Phase failure detection: Protects against damage from single-phasing or voltage imbalance
Manual and automatic reset options: Adaptable to different control system needs
Integrated test and stop buttons: Allow for easy testing and manual interruption
Direct mount on AF116 to AF140 contactors: Simplifies installation and panel layout
Ambient temperature compensation: Maintains trip accuracy across varying temperatures
IP20 finger-safe terminals: Increases operator safety during maintenance and wiring
Visual trip indicator: Quick fault detection and status check
Industrial-grade build: Durable, compact, and ideal for demanding environments