ABB A2A225TW Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
ABB
A2A225TW
Molded Case Circuit Breaker
Brand
ABB
SKU
A2A225TW
Quantity
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ABB A2A225TW - 225A 3 Pole Molded Case Circuit Breaker
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Quantity
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Description
Serving as a functional replacement for the legacy GE TQD32225, this 225A molded case circuit breaker belongs to the ABB Formula A2 series. It provides robust overcurrent protection for commercial and industrial systems. This three-pole unit mounts into ABB ReliaGear RQ and Formula panelboards. While it replaces older GE models, retrofitting may be necessary for legacy panels. Terminal lugs are sold separately.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 250VDC |
| Frame Type | A2A |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear RQ 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 | 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
8 answersWhat discontinued General Electric breaker does the ABB A2A225TW replace?
The ABB A2A225TW serves as a direct functional replacement for the legacy GE TQD32225 molded case circuit breaker.
Which panelboards accept the A2A225TW circuit breaker?
This breaker is compatible with ABB ReliaGear RQ Panelboards and ABB Formula Panelboards. It can also be installed in standard DIN rail enclosures.
What mounting options are available for the A2A225TW?
The A2A225TW is a unit-mount breaker that supports both chassis and rear mounting configurations, as well as DIN rail mounting for flexible installation.
What type of protection does the LI trip function provide on this breaker?
The LI trip function provides Long-Time (L) protection against sustained overloads and Instantaneous (I) protection against severe short-circuit events, utilizing a thermal-magnetic mechanism.
Can I adjust the trip thresholds on the A2A225TW?
No, the A2A225TW features fixed thermal and fixed magnetic trip settings, meaning the overcurrent and short-circuit thresholds cannot be modified in the field.
What frame size does the A2A225TW utilize?
It utilizes the ABB Formula A2 frame, which is a compact molded case frame designed to support amperages up to 250A while minimizing panel space requirements.
What are the standard safety procedures for installing a 225A MCCB like the A2A225TW?
Installation must be performed by a licensed electrician. Always de-energize the panel, lock out and tag out (LOTO) the power source, and verify zero voltage with a calibrated multimeter before seating the breaker or connecting the lugs.
How should the conductors be secured to the A2A225TW breaker?
The breaker utilizes lug terminals for conductor connections. Electricians must ensure all wires are properly seated and torqued to the manufacturer-specified values to prevent loose connections, overheating, and potential arcing.
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