ABB A2N150TW Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
ABB A2N150TW - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for robust power distribution, the ABB A2N150TW is a 3-pole MCCB from the Formula A2 frame family. It features a fixed thermal-magnetic trip unit providing long-time and instantaneous protection for commercial systems. This 150A unit-mount breaker installs into ABB ReliaGear RQ panelboards and serves as a replacement for legacy GE THQD32150 breakers. Rated at 25kAIC at 240VAC, it includes front terminals, is HACR rated, and features a reverse-feedable design for flexible wiring.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 25kA @ 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, DIN Rail Adapter |
|---|---|
| Accessories | Front Terminals Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL, cULus |
| Temp Rating | -25C to 70C |
| Construction Features | Reverse Feed, HACR Rated, 50C Ambient Calibration |
Product FAQs
7 answersWhich panelboards are designed to accept the A2N150TW?
This breaker installs directly into ABB ReliaGear RQ panelboards.
Can the A2N150TW replace legacy GE TQD circuit breakers?
Yes, the ABB Formula A2 series replaces legacy GE TQD breakers, including the 150A TQD32150. Note that installing this breaker into older GE A-Series or Spectra Series panelboards requires an ABB retrofit kit.
Can the A2N150TW be reverse fed?
Yes, ABB Formula A2 frame circuit breakers are reverse feedable, allowing power to be supplied from either the line or load side terminals.
Is the A2N150TW rated for direct current (DC) applications?
Yes, in addition to its AC ratings, this breaker is certified for DC systems up to 250VDC with a 25kA interrupting capacity.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the A2N150TW features a fixed thermal and fixed magnetic trip unit. It provides preset long-time and instantaneous (LI) protection that cannot be adjusted in the field.
What mounting options are available for the A2N150TW?
This unit mount breaker supports both chassis and rear mounting configurations depending on your enclosure requirements.
What frame family does the A2N150TW belong to?
It is part of the ABB Formula A2A frame family, which offers compact dimensions for commercial and industrial power distribution.
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