Eaton / Crouse-Hinds TBA250 UBI - 50A 2 Pole Miniature Circuit Breaker
- 50A
- 2 Pole
- Plug-On
Quantity
Eaton / Crouse-Hinds UBITBA250 - 50A 2 Pole Miniature Circuit Breaker
New
Quantity
Quantity
Eaton / Crouse-Hinds UBITBA250 - 50A 2 Pole Miniature Circuit Breaker
New
Quantity
| Brand | Eaton / Crouse-Hinds |
|---|---|
| Part Number | TBA250 |
| Series | UBITBA |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Challenger Type A Load Centers, Crouse-Hinds Type MH Load Centers, Murray Type MP Load Centers, Thomas & Betts Type A Load Centers |
| Wire Gauge | 6-3 AWG |
| Max Wire | 3 AWG |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489 |
|---|---|
| Approval | ETL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Quantity
Eaton / Crouse-Hinds UBITBA250 - 50A 2 Pole Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Crouse-Hinds |
|---|---|
| Series | UBITBA |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Challenger Type A Load Centers, Crouse-Hinds Type MH Load Centers, Murray Type MP Load Centers, Thomas & Betts Type A Load Centers |
| Wire Gauge | 6-3 AWG |
| Max Wire | 3 AWG |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489 |
|---|---|
| Approval | ETL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Description
Part of the Classified family, the Eaton TBA250 offers 50 amps of thermal-magnetic protection in a space-saving 1-inch wide package. This 2-pole plug-on breaker mounts securely into Challenger Type A, Crouse-Hinds Type MH, Murray Type MP, and Thomas & Betts Type A load centers. It effectively replaces hard-to-find A250, MH250, and MP250 units, restoring safe power distribution to residential systems. The breaker features a 10 kAIC rating and carries an HACR certification for HVAC use.Specifications
| Brand | Eaton / Crouse-Hinds |
|---|---|
| Part Number | TBA250 |
| Series | UBITBA |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Challenger Type A Load Centers, Crouse-Hinds Type MH Load Centers, Murray Type MP Load Centers, Thomas & Betts Type A Load Centers |
| Wire Gauge | 6-3 AWG |
| Max Wire | 3 AWG |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489 |
|---|---|
| Approval | ETL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
7 answersWhich load centers are approved for use with the TBA250 circuit breaker?
This classified breaker is approved for installation in Challenger Type A, Crouse-Hinds Type MH, Murray Type MP, and Thomas & Betts Type A load centers.
Which specific legacy breaker models does the TBA250 replace?
It serves as a direct replacement for hard-to-find 50-amp, 2-pole breakers in compatible panels, including the Challenger A250, Crouse-Hinds MH250, and Murray MP250.
Are UBITBA250 and TBA250 the same circuit breaker?
Yes, UBITBA250 and TBA250 refer to the same 50-amp, 2-pole classified circuit breaker. The TBA250 catalog number is commonly used for this exact replacement part.
What wire gauge range is accepted by the box lugs on the TBA250?
The terminals are designed to accommodate wire sizes from 6 AWG to 3 AWG. Ensure you select the appropriate wire material and gauge for your specific 50-amp application.
What does the Classified family designation mean for this breaker?
A UL classified breaker has been independently tested and verified for safe use in specific competitor load centers, ensuring proper fit and performance outside of the original manufacturer's panels.
Does the TBA250 require bolt-on hardware for installation?
No, this is a plug-on miniature circuit breaker. It snaps directly onto the bus bar of compatible load centers without the need for mounting bolts.
What type of overcurrent protection does the TBA250 provide?
It features a fixed thermal-magnetic trip unit, which delivers both long-time thermal protection against overloads and instantaneous magnetic protection against short circuits.
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