ABB A1A100TW-2 Molded Case Circuit Breaker
- 100A
- 2 Pole
- Unit Mount
ABB
A1A100TW-2
Molded Case Circuit Breaker
Brand
ABB
SKU
A1A100TW-2
Quantity
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ABB A1A100TW-2 - 100A 2 Pole Molded Case Circuit Breaker
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Description
Built for reliable power distribution, the ABB A1A100TW-2 is a 100A, 2-pole MCCB from the space-saving Formula A1 family. This unit mount breaker integrates with ABB ReliaGear RQ panelboards, Formula panels, and DIN rail enclosures. It functions as a replacement for the discontinued GE TQC22100. Equipped with a fixed thermal-magnetic trip, it offers a 10kAIC capacity at 240VAC. The unit is HACR rated and supports reverse feeding for flexible installation in modern electrical systems.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 250VDC |
| Frame Type | A2A |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear RQ Panelboards, ABB Formula Panelboards, DIN Rail Enclosures |
| Wire Gauge | 14-2 AWG (Cu/Al) |
| Max Wire | 2 AWG |
| Min Wire | 14 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, Lug Kits, DIN Rail Adapter |
|---|---|
| Accessories | Lugs Not Included, Front Terminals 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
8 answersWhat panelboards accept the ABB A1A100TW-2 circuit breaker?
This breaker is designed for installation in ABB ReliaGear RQ panelboards and ABB Formula panelboards. It can also be mounted in standard DIN rail enclosures when equipped with a compatible adapter.
Can the A1A100TW-2 replace discontinued GE breakers?
Yes, this ABB Formula series breaker functions as a direct replacement for the obsolete GE TQC22100 circuit breaker.
Does the A1A100TW-2 support reverse feeding?
Yes, this breaker is rated for reverse feed applications, providing flexibility for various panel configurations and wiring setups.
What mounting options are available for the A1A100TW-2?
This unit mount breaker supports chassis and rear mounting configurations. It can also be installed on a standard DIN rail when paired with the appropriate field installable adapter.
Can the A1A100TW-2 be mounted horizontally without derating?
Yes, ABB Formula series breakers can be mounted in horizontal, vertical, or flat positions without any derating of their rated performance characteristics.
What wire sizes are accepted by the A1A100TW-2 terminals?
The included lug terminals accept copper or aluminum conductors ranging from 14 AWG to 2 AWG.
Are the trip settings adjustable on the A1A100TW-2?
No, this breaker features a thermal magnetic trip unit with fixed thermal and fixed magnetic thresholds for long time and instantaneous (LI) protection.
Is the A1A100TW-2 suitable for HVAC applications?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
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