ABB XT4NU3225AY8000XXX Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
ABB
XT4NU3225AY8000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4NU3225AY8000XXX
Quantity
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ABB XT4NU3225AY8000XXX - 225A 3 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Engineered for commercial and industrial applications, the ABB XT4NU3225AY8000XXX delivers robust power distribution protection. This unit mount MCCB installs into ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures. It serves as a drop-in replacement for legacy T4N225TW breakers. Rated for 25 kAIC at 480VAC, it utilizes a TMF fixed thermal and fixed magnetic trip unit to ensure precise circuit defense.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 35kA @ 250VDC, 35kA @ 600VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Power Panels, ReliaGear SB Switchboards, SACE Tmax XT Panelboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 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, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Front Terminals Included, Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, IEC, KEMA, RINA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
5 answersWhich panelboards and switchboards are compatible with the XT4NU3225AY8000XXX?
This XT4 frame breaker is designed for use with ABB ReliaGear neXT Power Panels, ReliaGear SB Switchboards, and SACE Tmax XT Panelboards.
What wire sizes are accepted by the lugs on this 225A breaker?
The factory-installed lugs accept wire gauges from 3/0 AWG to 350 kcmil. They are rated for both copper (Cu) and aluminum (Al) conductors.
Are the thermal and magnetic trip settings adjustable on this model?
No, the XT4NU3225AY8000XXX features a fixed thermal and fixed magnetic trip unit. It provides standard Long-Time (L) and Instantaneous (I) protection without adjustable dials.
Is the XT4NU3225AY8000XXX suitable for direct current (DC) systems?
Yes, this breaker is rated for DC applications. It provides a 35kA interrupting capacity at both 250VDC and 600VDC.
How is this XT4 breaker mounted within an enclosure?
This is a unit mount breaker, meaning it is typically bolted directly to the chassis or mounting plate rather than plugging into a busbar system.
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