ABB XT4LU3225AFJ000XXX Molded Case Circuit Breaker
- 225A
- 3 Pole
- Unit Mount
Quantity
ABB XT4LU3225AFJ000XXX - 225A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering extra-high interrupting capacity, this 225A MCCB belongs to the ABB SACE Tmax XT4 family. It provides reliable overcurrent protection for commercial facilities. The unit mounts into ABB ReliaGear neXT power panels, SB switchboards, and Tmax XT panelboards. Featuring a fixed thermal and magnetic (TMF) trip unit, it achieves an impressive 200kA rating at 240VAC. This current-limiting breaker is a replacement for the legacy T4L225TW, ensuring seamless electrical upgrades.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC, 85kA @ 250VDC, 75kA @ 600VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Power Panels, ReliaGear SB 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, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
5 answersWhich panelboards and switchboards are compatible with the XT4LU3225AFJ000XXX?
This unit mount breaker is designed for use in ABB ReliaGear neXT Power Panels, ReliaGear SB Switchboards, and SACE Tmax XT Panelboards. It integrates into these systems using the appropriate mounting hardware or breaker kits specific to the panel type.
What type of wire can be used with the lugs on this breaker?
The factory-installed lugs accept both copper (Cu) and aluminum (Al) conductors ranging from 4 AWG to 300 kcmil. Ensure proper torque specifications are followed during installation as outlined by ABB.
What does the LI trip function indicate on this thermal magnetic breaker?
The LI designation means the trip unit provides protection against two types of overcurrents: Long-Time (L) for standard overload protection and Instantaneous (I) for immediate short-circuit protection. Both the thermal and magnetic trip thresholds are fixed on this specific model.
Can this Tmax XT4 breaker replace older GE Spectra series breakers?
Yes, following ABB's acquisition of GE Industrial Solutions, the Tmax XT4 frame is the designated replacement for legacy GE Spectra F-Frame (250A) breakers. However, installing this breaker into an existing Spectra panelboard or switchboard requires a specific ABB retrofit kit.
What are the standard safety practices before installing or servicing this MCCB?
Always ensure the power supply is completely de-energized and locked out or tagged out (LOTO) before installation. Verify the absence of voltage using a properly rated multimeter, and ensure the breaker's voltage and interrupting ratings meet or exceed the available fault current of the system.
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