ABB XT5LU330ABFN000XXX Molded Case Circuit Breaker
- 300A
- 3 Pole
- Unit Mount
Quantity
ABB XT5LU330ABFN000XXX - 300A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering extra-high interrupting capacity, the ABB XT5LU330ABFN000XXX is a 3-pole, 300A molded case circuit breaker from the SACE Tmax XT series. It handles severe fault conditions with a 100kAIC rating at 480VAC. This unit mount breaker is fully compatible with ReliaGear neXT panelboards, switchboards, and motor control centers. It functions as a drop-in substitute for the legacy T5L400BW. The breaker features an adjustable thermal magnetic trip unit (LI). Lugs are not included.Specifications
| Brand | ABB |
|---|---|
| Series | XT5 |
| Amperage | 300A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 600VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 65kA @ 600VAC, 100kA @ 250VDC, 70kA @ 500VDC, 50kA @ 600VDC |
| Amperage Range | 210-300A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | ReliaGear neXT Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 2x 2/0 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 2/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Shunt Trip, Undervoltage Release, Motor Operator, Handle Lock |
|---|---|
| Accessories | Lugs not included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
6 answersWhat equipment is the ABB XT5LU330ABFN000XXX compatible with?
This unit-mount circuit breaker is designed for integration into ABB ReliaGear neXT panelboards, switchboards, and motor control centers.
What does the 'L' in the XT5LU330ABFN000XXX catalog number indicate?
The 'L' designates the interrupting capacity tier. In the ABB Tmax XT5 series, the 'L' rating provides an extra-high interrupting capacity of 100kA at 480VAC and 65kA at 600VAC.
What wire sizes are accepted by the lugs on this 300A breaker?
The included terminals accept two copper or aluminum conductors ranging from 2/0 AWG to 500 kcmil per phase.
How is the trip unit configured on the XT5LU330ABFN000XXX?
It features a thermal-magnetic trip unit with both adjustable thermal (overload) and adjustable magnetic (short-circuit) settings. This provides flexible LI (Long-Time and Instantaneous) protection for varying load conditions.
Can the XT5LU330ABFN000XXX replace older ABB circuit breakers?
Yes, this breaker serves as a drop-in substitute for discontinued legacy ABB Tmax T5 breakers, such as the T5L400BW, in compatible power distribution systems.
Is this breaker configured for plug-in or fixed mounting?
The XT5LU330ABFN000XXX is configured as a unit-mount (fixed) breaker. When installing into a modular ReliaGear neXT plug-in bus stack, additional plug-in hardware or a conversion kit is required.
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