ABB TA110DU-110 Thermal Overload Relay FAQ

Why this FAQ?

This FAQ highlights the key electrical, functional, and installation details engineers need to select and use the ABB TA110DU-110 overload relay. It also directs buyers to verified sourcing through Shansen Enterprises for reliable procurement.

[faq question=”What is the current setting range of the ABB TA110DU-110 thermal overload relay?”]
The ABB TA110DU-110 has an adjustable current setting range from 80 A to 110 A, suitable for protecting medium to large motors against overload and phase failure. It features trip class 10A for standard motor starting conditions.
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[faq question=”What are the rated operational voltages and insulation levels of the TA110DU-110?”]
The relay supports up to 690 V AC in the main circuit and 500 V AC or 440 V DC in the auxiliary circuit. It offers a rated insulation voltage (Ui) of 690 V and an impulse withstand voltage (Uimp) of 6 kV, ensuring strong dielectric strength.
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[faq question=”How many poles and auxiliary contacts does the ABB TA110DU-110 have?”]
It is a 3-pole thermal overload relay with one normally closed (NC) trip contact and one normally open (NO) signal contact. These provide clear tripping feedback and easy integration into control circuits.
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[faq question=”What control and safety functions are provided in the TA110DU-110 relay?”]
The relay includes a trip-free mechanism, STOP and TEST functions, trip indication, and selectable manual or automatic reset. Temperature compensation ensures stable tripping under varying ambient conditions.
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[faq question=”Which contactors can the TA110DU-110 relay be connected to?”]
It is designed for direct connection to ABB AF/AFS series block contactors in the 80–110 A range. For independent installation, a single mounting kit accessory is available. Refer to ABB’s mounting guide or Shansen for compatibility confirmation.
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[faq question=”What protection rating and environmental specifications does the TA110DU-110 have?”]
The housing is rated IP20 and terminal protection IP10, suitable for enclosed panel use in Pollution Degree 2 environments. It complies with IEC motor protection standards for industrial and OEM applications.
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[faq question=”What are the rated auxiliary contact currents for AC and DC operation?”]
For AC-15 duty, NC contacts handle up to 3 A @ 240 V, while NO contacts handle 1.2 A @ 240 V. Under DC-13 duty, contacts support 1.25 A @ 24 V DC or 0.25 A @ 125 V DC, ensuring reliable control circuit performance.
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[faq question=”Where can I buy the ABB TA110DU-110 thermal overload relay in India?”]
Purchase genuine ABB TA110DU-110 relays through Shansen Enterprises, an authorized ABB channel partner. Pan-India delivery and quick WhatsApp quotations are available for OEMs, panel builders, and maintenance teams.
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[faq question=”Where can I buy the ABB TA110DU-110 thermal overload relay in India?”]
Purchase genuine ABB TA110DU-110 relays through Shansen Enterprises, an authorized ABB channel partner. Pan-India delivery and quick WhatsApp quotations are available for OEMs, panel builders, and maintenance teams.
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