ABB XT4HU3250AFJ000XXX Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
ABB
XT4HU3250AFJ000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4HU3250AFJ000XXX
Quantity
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ABB XT4HU3250AFJ000XXX - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Built for robust power distribution, the ABB XT4HU3250AFJ000XXX provides reliable 250-amp circuit protection within the SACE Tmax XT series. It delivers consistent performance for commercial and industrial electrical systems. This unit mounts into ReliaGear neXT panelboards and serves as a replacement for older T4H250 breakers.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 50kA @ 250VDC, 65kA @ 600VDC |
| Frame Type | XT4H |
|---|---|
| Terminal Type | Lugs |
| For Use With | ReliaGear neXT Panelboards, Switchboards, SACE Tmax XT Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 4 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, Motor Operator, Terminal Shields, Lug Kits |
|---|---|
| Accessories | Front Terminals Included, Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, IEC, KEMA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Double Insulation, Positive Operation |
Product FAQs
5 answersWhich enclosures and panelboards are compatible with the XT4HU3250AFJ000XXX?
This unit is designed for use with ABB ReliaGear neXT panelboards, standard switchboards, and SACE Tmax XT panelboards. It features a standard unit mount configuration.
Can this Tmax XT4 circuit breaker be utilized in direct current systems?
Yes, it is rated for DC applications up to 600VDC. It provides a fault current interrupting capacity of 50kA at 250VDC and 65kA at 600VDC.
What wire sizes are supported by the factory lugs?
The included lugs accommodate wire gauges ranging from 4 AWG up to 300 kcmil. They are rated for use with both copper and aluminum conductors.
Are the thermal or magnetic trip parameters adjustable on this model?
No, this breaker is equipped with a thermal magnetic trip unit featuring fixed Long-Time (L) and fixed Instantaneous (I) trip settings.
What does the H signify in the XT4H frame designation?
The H indicates the high interrupting rating tier within the SACE Tmax XT series. This tier delivers a 65kA fault current rating at 480VAC and a 150kA rating at 240VAC.
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