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ABB XT1SU3125AFD000XXX Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
ABB
XT1SU3125AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1SU3125AFD000XXX
Quantity
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ABB XT1SU3125AFD000XXX - 125A 3 Pole Molded Case Circuit Breaker
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Description
Built for robust power distribution, the ABB XT1SU3125AFD000XXX is a 3-pole, 125A molded case circuit breaker from the SACE Tmax XT series. It utilizes fixed thermal-magnetic trip technology to deliver long-time and instantaneous (LI) protection. This unit mount breaker installs into ABB ReliaGear neXT panelboards and ReliaGear SB switchboards. It also functions as a drop-in replacement for the discontinued T1N125TL. Rated 35kAIC at 480VAC, the breaker features a current-limiting design.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 42kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards, SACE Tmax XT Panelboards |
| Wire Gauge | 10 AWG - 2/0 AWG |
| Max Wire | 2/0 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch, Line Side Lugs |
|---|---|
| Accessories | Load Side Lugs |
| 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, Suitable for single phase application up to 347VAC |
Product FAQs
6 answersWhat panelboards are compatible with the XT1SU3125AFD000XXX circuit breaker?
This unit mount breaker is designed for installation in ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures.
What wire sizes are accepted by the standard lugs on this XT1 breaker?
The factory-installed lugs accept copper or aluminum wire ranging from 10 AWG to 2/0 AWG.
Is the ABB XT1SU3125AFD000XXX suitable for reverse feed applications?
Yes, ABB Tmax XT1 molded case circuit breakers are reverse feed capable, allowing line power to be connected to either the top or bottom terminals.
What does the 'S' in the XT1SU3125AFD000XXX part number indicate?
The 'S' designates the standard interrupting capacity tier for the XT1 frame, which provides a 35kA short-circuit rating at 480VAC and 65kA at 240VAC.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, this breaker features a fixed thermal and fixed magnetic (TMF) trip unit. Both the long-time (overload) and instantaneous (short-circuit) protection levels are factory set and cannot be adjusted in the field.
Can the XT1SU3125AFD000XXX replace discontinued GE circuit breakers?
Yes, this ABB Tmax XT1 breaker functions as a drop-in replacement for the discontinued GE Record Plus T1N125TL.
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