ABB XT4NU3225FYJ000XXX Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
Quantity
ABB XT4NU3225FYJ000XXX - 225A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the SACE Tmax XT series, this 225A molded case circuit breaker provides advanced commercial and industrial circuit protection. It utilizes microprocessor-based sensing to deliver accurate overcurrent responses. The unit mounts into ABB ReliaGear neXT panelboards and ReliaGear SB switchboards. It serves as a modern upgrade and drop-in replacement for the legacy T4N225TW frame. Rated for 65kAIC at 240V, the breaker features an Ekip Dip LSI trip unit with adjustable coordination settings.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 |
| Amperage Range | 90-225A |
|---|
| Frame Type | XT4N |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator, Padlock Attachment, Terminal Shields |
|---|---|
| Accessories | 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, Reverse Feed, Double Insulation |
Product FAQs
7 answersWhat legacy circuit breakers can the ABB XT4NU3225FYJ000XXX replace?
This XT4N breaker serves as a modern upgrade and drop-in replacement for legacy ABB and GE Tmax T4N225TW frames when used with the appropriate retrofit kit.
How does this XT4 breaker mount into ReliaGear neXT panelboards?
It utilizes a plug-in design that engages directly with the panel's vertical bus stack. The breaker is pushed into the bus stack using a mounting bracket and secured with mounting screws, eliminating the need for traditional bolted-joint connections.
What does the N in the XT4N frame designation indicate?
The N denotes a Normal interrupting capacity frame. For this 225A breaker, it provides a 25kA interrupting rating at 480VAC and 65kA at 240VAC.
What protection settings can be adjusted on the Ekip Dip LSI trip unit?
The LSI electronic trip unit allows you to configure Long-Time (L) for overload protection, Short-Time (S) for delayed short-circuit protection, and Instantaneous (I) for immediate short-circuit tripping.
What wire sizes are accepted by the factory-installed lugs on this breaker?
The included lugs accept copper or aluminum wire ranging from 4 AWG to 300 kcmil.
Can this circuit breaker be used in DC applications?
Yes, this specific breaker is rated for DC applications, providing a 35kA interrupting rating at both 250VDC and 600VDC.
Does the Ekip Dip trip unit provide visual status indicators?
Yes, the trip unit features a continuous green LED to indicate correct operation, along with LED signals to indicate when specific protection functions have intervened.
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