ABB A2N175TW-2 Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Quantity
ABB A2N175TW-2 - 175A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial and industrial applications, the ABB A2N175TW-2 MCCB belongs to the Formula family. The A2N prefix denotes a 250A frame with normal interrupting capacity. It installs into ABB ReliaGear RQ panelboards and DIN rail enclosures, serving as a functional replacement for the legacy THQD22175. Featuring a fixed thermal-magnetic trip unit, it provides reliable LI protection with a 25kAIC rating at 240VAC. Lugs are sold separately.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 25kA @ 250VDC |
| Frame Type | A2A |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear RQ Panelboards, ABB Formula Panelboards, DIN Rail Enclosures |
| Wire Gauge | 1 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 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, Undervoltage Release, Auxiliary Switch, 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, RoHS Compliant, 50C Ambient Calibration |
Product FAQs
6 answersWhich panelboards are compatible with the A2N175TW-2 circuit breaker?
This Formula A2 frame breaker is designed for installation in ABB ReliaGear RQ panelboards, ABB Formula panelboards, and standard DIN rail enclosures.
Can the A2N175TW-2 replace legacy GE circuit breakers?
Yes, this ABB Formula breaker serves as a functional replacement for legacy GE THQD22175 2-pole, 175A circuit breakers.
What wire sizes and materials are supported by the lugs on the A2N175TW-2?
The terminals accept wire gauges ranging from 1 AWG up to 300 kcmil. They are rated for use with both copper and aluminum conductors.
What protection does the LI trip function provide on this Formula series breaker?
The LI designation indicates a thermal magnetic trip unit. It provides fixed Long-Time thermal protection for overloads and fixed Instantaneous magnetic protection for short circuits.
Can the A2N175TW-2 be used in DC power systems?
Yes, this 2-pole breaker is rated for direct current applications up to 250VDC, delivering a 25kA interrupting capacity.
What are the mounting options for the A2N175TW-2?
This unit-mount breaker supports chassis mounting, rear mounting, and DIN rail installations.
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