ABB XT2LU3125FYD000XXX Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Quantity
ABB XT2LU3125FYD000XXX - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for robust power distribution, the ABB XT2LU3125FYD000XXX is a 3-pole, 125A molded case circuit breaker from the SACE Tmax XT family. It provides facilities with advanced microprocessor-based protection. This unit mount MCCB installs into ABB ReliaGear neXT panelboards and SB switchboards. It also replaces legacy GE Spectra SEPA36AT0125 and ABB Tmax T3L125TW breakers. Equipped with an electronic trip unit, it offers adjustable LSI settings and a 200kAIC rating at 240V.Specifications
| Brand | ABB |
|---|---|
| Series | XT2 |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 35kA @ 600VAC, 75kA @ 500VDC |
| Amperage Range | 50-125A |
|---|
| Frame Type | XT2L |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards |
| Wire Gauge | 10-2/0 AWG |
| Max Wire | 2/0 AWG |
| Min Wire | 10 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 Lugs, Key Lock |
|---|---|
| Accessories | None (Standard) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Double Insulated |
Product FAQs
6 answersWhich panelboards are compatible with the XT2LU3125FYD000XXX circuit breaker?
This unit-mount breaker is designed specifically for integration into ABB ReliaGear neXT panelboards and ReliaGear SB switchboards. It requires the appropriate bolt-on mounting hardware for these specific enclosures.
What does the LSI designation mean on this electronic trip unit?
LSI indicates that the electronic trip unit features adjustable settings for Long-time overload, Short-time short circuit, and Instantaneous short circuit protection. This adjustability allows panel builders to achieve precise selective coordination within complex electrical distribution systems.
What wire gauge range is accepted by the lugs on this XT2L frame breaker?
The factory-installed lugs accept wire sizes ranging from 10 AWG up to 2/0 AWG. Always ensure conductors are properly sized according to the 125A rating and applicable local electrical codes.
Is the XT2LU3125FYD000XXX suitable for direct current applications?
Yes, this breaker is rated for use in DC systems up to 500VDC, where it provides an interrupting capacity of 75kA. It is fully compatible with both AC and DC distribution networks.
How is the XT2LU3125FYD000XXX mounted in an electrical enclosure?
This is a unit-mount breaker, meaning it bolts directly to the chassis, backpan, or mounting plate rather than plugging onto a busbar. Proper installation in ReliaGear systems requires the corresponding ABB mounting kits.
Does this ABB Tmax XT breaker replace older General Electric models?
Yes, the ABB SACE Tmax XT family, which includes this XT2L frame, serves as the direct successor to legacy GE molded case circuit breakers for modern installations following ABB's acquisition of GE Industrial Solutions.
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