ABB XT4HU3225BFF000XXX Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
ABB
XT4HU3225BFF000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4HU3225BFF000XXX
Quantity
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ABB XT4HU3225BFF000XXX - 225A 3 Pole Molded Case Circuit Breaker
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Description
Belonging to the SACE Tmax XT4 frame series, this 3-pole, 225A unit mount molded case circuit breaker is engineered for heavy-duty commercial and industrial power systems. Designed for versatile integration, it installs into ABB ReliaGear neXT panelboards and switchboards. This model acts as an exact replacement for the older T4H225TW, ensuring a smooth transition. The breaker highlights an adjustable thermal-magnetic trip unit and a 65kAIC rating at 480V. It is supplied without lugs.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 50kA @ 250VDC, 65kA @ 600VDC |
| Amperage Range | 157.5-225A |
|---|
| Frame Type | XT4 |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator, Padlock Attachment, Terminal Shields, Handle Lock |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CE, CSA, cULus, IEC, KEMA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Double Insulation, Positive Operation |
Product FAQs
6 answersWhat panelboards are compatible with the ABB XT4HU3225BFF000XXX?
This 225A XT4 frame circuit breaker is designed for seamless integration with ABB ReliaGear neXT panelboards and switchboards.
Can the ABB XT4 series replace older GE Spectra RMS circuit breakers?
Yes, the ABB Tmax XT4 series replaces legacy GE Spectra RMS SF frame circuit breakers. ABB offers specific retrofit kits that allow you to install XT4 breakers into existing GE Spectra bolt-on panelboards.
What are the DC interrupting ratings for this XT4 breaker?
This breaker is rated for DC applications, providing 50kAIC at 250VDC when wiring two poles in series, and 65kAIC at 600VDC when wiring three poles in series.
What does the LI trip function code mean on the XT4HU3225BFF000XXX?
The LI designation indicates that the thermal magnetic trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits. Both the thermal and magnetic trip thresholds are adjustable on this model.
How is the XT4HU3225BFF000XXX installed in ReliaGear neXT equipment?
It features a unit mount design that plugs directly into the ReliaGear neXT vertical bus stack. Once inserted, the breaker is secured to the mounting bracket using screws tightened to 35 to 40 lb-in of torque.
What safety guidelines apply when installing accessories on this XT4 breaker?
When field-installing accessories in the panelboard wiring space, ensure that conductors, splices, and equipment do not exceed 75 percent of the cross-sectional area. Additionally, accessories must never block the enclosure ventilation openings or the breaker arc vents.
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