ABB A2N200TT Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
ABB
A2N200TT
Molded Case Circuit Breaker
Brand
ABB
SKU
A2N200TT
Quantity
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ABB A2N200TT - 200A 3 Pole Molded Case Circuit Breaker
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Quantity
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Description
Built for demanding industrial environments, this 200A MCCB is part of the ABB Formula series. The A2N designation indicates a 250A frame with normal interrupting capacity. The unit-mount design fits ABB ReliaGear RQ and Formula panelboards. It replaces the discontinued THQD32200, requiring a retrofit for legacy GE enclosures. Equipped with factory-installed KA2225 lugs, it delivers 25kAIC interrupting capacity at 240VAC alongside fixed thermal-magnetic LI protection.Specifications
| Brand | ABB |
|---|---|
| Series | Formula |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 25kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear RQ Panelboards, ABB Formula Panelboards, DIN Rail Enclosures |
| Wire Gauge | 1 AWG - 250 kcmil (Cu/Al) |
| Max Wire | 250 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, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | Line and Load Lugs Included (KA2225), 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
7 answersWhich panelboards are compatible with the ABB A2N200TT?
This 3-pole breaker is designed for installation in ABB ReliaGear RQ Panelboards, ABB Formula Panelboards, and standard DIN rail enclosures.
Can the A2N200TT replace legacy GE circuit breakers?
Yes, the A2N200TT can serve as a functional replacement for the discontinued GE THQD32200. Note that installing this breaker in legacy GE enclosures typically requires a retrofit kit.
What wire sizes and materials are supported by the A2N200TT terminals?
The factory-installed lugs are rated for both copper (Cu) and aluminum (Al) conductors, accepting wire gauges from 1 AWG up to 250 kcmil.
What frame size does the A2N200TT utilize?
It is built on the ABB Formula A2 frame. This compact frame size supports up to 250 amps and allows for increased breaker density in commercial and industrial panelboards.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the A2N200TT is equipped with a TMF (Thermal Magnetic Fixed) trip unit. Both the Long-Time (thermal) and Instantaneous (magnetic) protection thresholds are factory-fixed and cannot be adjusted in the field.
Can the A2N200TT be used in DC power systems?
Yes, this breaker is rated for use in 250V DC systems with a 25kA interrupting capacity, making it suitable for industrial DC control panels and specific renewable energy applications.
What field-installable accessories are available for the Formula A2 frame?
The A2N200TT supports various ABB Formula accessories, including shunt trips, undervoltage releases, auxiliary contacts, padlock attachments, and extended rotary handles.
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