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ABB A2A225TW-2 Molded Case Circuit Breaker
- 225A
- 2 Pole
- Unit Mount
ABB
A2A225TW-2
Molded Case Circuit Breaker
Brand
ABB
SKU
A2A225TW-2
Quantity
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ABB A2A225TW-2 - 225A 2 Pole Molded Case Circuit Breaker
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Description
The A2A225TW-2 is a 2-pole, 225A molded case circuit breaker from ABB's Formula A2 series. Built for reliable power distribution, it features a fixed thermal-magnetic trip unit for standard long-time and instantaneous (LI) protection. This unit-mount breaker installs into ABB ReliaGear and Formula panelboards, and serves as a functional replacement for discontinued GE TQD22225 breakers. Rated for 10kAIC at 240VAC, this HACR-rated breaker delivers consistent performance in a compact footprint.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 225A |
| 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 Panelboards, ABB Formula Panelboards, DIN Rail Enclosures |
| 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 | None included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL, cULus |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
8 answersWhat discontinued breaker does the A2A225TW-2 replace?
The ABB A2A225TW-2 serves as a functional replacement for the discontinued General Electric (GE) TQD22225 circuit breaker.
Why is this ABB breaker used to replace legacy GE models?
Following ABB's acquisition of GE Industrial Solutions, the ABB Formula series was integrated as the direct replacement path for several legacy GE molded case circuit breakers, including the TQD series.
Which panelboards are compatible with this Formula series breaker?
This breaker is designed to install directly into ABB ReliaGear panelboards, ABB Formula panelboards, and standard DIN rail enclosures.
What does the LI trip function indicate on this model?
The LI designation means the thermal magnetic trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits. Both the thermal and magnetic trip thresholds are fixed on this breaker.
What is the frame size for the A2A225TW-2?
It is built on the ABB Formula A2A 250-amp frame. While the physical frame can support up to 250 amps, this specific model has a fixed continuous current rating of 225 amps.
How is this breaker mounted?
It is a unit mount breaker that supports both chassis and rear mounting configurations. It utilizes standard lug terminals for the electrical connections.
Is this breaker rated for direct current (DC) systems?
Yes, it is rated for use in 250VDC applications with a 10kAIC interrupting capacity, in addition to its standard 240VAC rating.
Is the A2A225TW-2 suitable for reverse feeding and HVAC equipment?
Yes, it is reverse feed capable, allowing line power to be connected to either the top or bottom terminals. It is also HACR rated for safe operation with heating, air conditioning, and refrigeration systems.
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