ABB A2A175TT Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
ABB
A2A175TT
Molded Case Circuit Breaker
Brand
ABB
SKU
A2A175TT
Quantity
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ABB A2A175TT - 175A 3 Pole Molded Case Circuit Breaker
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Quantity
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Description
Designed to streamline installation, this 175A, 3-pole molded case circuit breaker comes standard with factory-installed line and load lugs. It is part of the ABB Formula A2 frame family, providing essential overcurrent protection for commercial facilities. This unit fits ABB ReliaGear RQ panelboards and serves as a functional replacement for older TQD32175 breakers. Delivering a 10kAIC rating at 240VAC, it utilizes a fixed thermal-magnetic trip unit and is fully reverse feedable.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear RQ Panelboards |
| Wire Gauge | 1 AWG - 250 kcmil (Cu/Al) |
| Max Wire | 250 kcmil |
| Min Wire | 1 AWG |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| 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 answersCan the ABB A2A175TT replace older General Electric circuit breakers?
Yes, the ABB A2A175TT serves as a functional replacement for the legacy GE TQD32175 circuit breaker. It is designed to fit directly into ABB ReliaGear RQ panelboards.
Which panelboards are compatible with the A2A175TT breaker?
This Formula A2 frame circuit breaker is specifically designed for installation in ABB ReliaGear RQ panelboards.
What type of terminals are included with the A2A175TT?
This breaker comes standard with factory-installed front lugs for both line and load connections. The lugs accept 1 AWG to 250 kcmil copper or aluminum conductors.
Is the trip unit on the A2A175TT adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time thermal overload and instantaneous magnetic short-circuit protection settings are factory-set and cannot be adjusted in the field.
What protection functions are included in the LI trip unit?
The LI designation indicates that the breaker provides Long-Time thermal protection for standard overloads and Instantaneous magnetic protection for short circuits. Both functions are fixed on this specific model.
Can the ABB A2A175TT be reverse fed?
Yes, this molded case circuit breaker is fully reverse feedable, allowing for flexible wiring configurations during installation.
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