ABB A2A175TW-2 Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Quantity
ABB A2A175TW-2 - 175A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for versatile power distribution, the ABB A2A175TW-2 is a 2-pole, 175A MCCB. It operates within the Formula A2 frame series, offering reliable protection for 240VAC systems. This unit-mount breaker is compatible with ABB ReliaGear panels. It also provides a functional replacement for legacy GE TQD22175 breakers, helping maintain older infrastructure. Featuring a 10kAIC rating, it includes a fixed thermal-magnetic trip unit and is HACR rated.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 250VDC |
| Frame Type | A2A |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear RQ Panelboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Rotary Handle, Lug Kits |
|---|---|
| Accessories | Lugs sold separately |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersWhat panelboards are compatible with the ABB A2A175TW-2 circuit breaker?
This breaker is designed for use in ABB ReliaGear RQ, RL, RE, and RS lighting panelboards. It can be installed as a main or sub-feed breaker within these systems.
Are the thermal and magnetic trip settings adjustable on the A2A175TW-2?
No. This breaker features a TMF fixed thermal-magnetic trip unit. The thermal overload is factory-calibrated to 175A, and the instantaneous magnetic short-circuit trip is fixed at 1750A.
How is the A2A175TW-2 breaker mounted?
This is a unit-mount breaker that features a fixed configuration with front terminals. It can be installed via DIN rail or fixed mounting onto the panelboard chassis.
What is the alternate catalog number for the A2A175TW-2?
The extended product type or alternate catalog designation for this breaker is A2A 250 TMF 175-1750 2P F F UL.
Can the A2A175TW-2 be used in DC power systems?
Yes, this breaker is rated for both AC and DC applications. It provides a 10kA interrupting capacity at 250VDC, in addition to its standard 240VAC rating.
What type of protection does the A2A175TW-2 provide?
It is equipped with a thermal-magnetic trip unit that provides Long-Time and Instantaneous (LI) protection. The thermal component protects against continuous overloads, while the magnetic component trips instantaneously during short-circuit faults.
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