ABB XT4SU3125AYJ000XXX Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
ABB
XT4SU3125AYJ000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4SU3125AYJ000XXX
Quantity
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ABB XT4SU3125AYJ000XXX - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Constructed for demanding environments, the ABB XT4SU3125AYJ000XXX is a 125A, 3-pole molded case circuit breaker. It offers a 100kA rating at 240V and features fixed thermal-magnetic trip technology. Designed for unit mounting, it installs into ABB ReliaGear neXT panelboards and SB switchboards. It also provides a seamless replacement for legacy T4S125TW models. This XT4 frame device incorporates double insulation, positive operation, and current-limiting capabilities for enhanced safety.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 22kA @ 600VAC, 42kA @ 250VDC, 50kA @ 600VDC |
| Frame Type | XT4S |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards |
| 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 | 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 XT4SU3125AYJ000XXX breaker?
This breaker is designed for use with ABB ReliaGear neXT Panelboards and ReliaGear SB Switchboards.
What wire sizes and materials are accepted by the terminal lugs on this breaker?
The lugs accept wire gauges from 4 AWG up to 300 kcmil and are rated for both copper (Cu) and aluminum (Al) conductors.
What type of trip unit is installed in this XT4S frame breaker?
It features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings, providing Long-Time and Instantaneous (LI) protection.
Is this molded case circuit breaker suitable for direct current (DC) applications?
Yes, it is rated for DC systems, providing an interrupting capacity of 42kA at 250VDC and 50kA at 600VDC.
How is the XT4SU3125AYJ000XXX breaker mounted within an electrical enclosure?
This model is a unit mount breaker, meaning it is typically bolted directly to the chassis or mounting pan rather than plugging into a busbar.
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