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ABB XT1NU3125AYD000XXX Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
ABB
XT1NU3125AYD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1NU3125AYD000XXX
Quantity
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ABB XT1NU3125AYD000XXX - 125A 3 Pole Molded Case Circuit Breaker
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125A 3 Pole Molded Case Circuit Breaker
125A 3 Pole Molded Case Circuit Breaker
125A 3 Pole Molded Case Circuit Breaker
Description
Rated at 25kAIC at 480VAC, the XT1NU3125AYD000XXX is a 3-pole molded case circuit breaker from ABB's SACE Tmax XT1 series. It is designed for ReliaGear neXT panelboards, utilizing a specialized plug-in connection that simplifies installation. This 125A breaker features a fixed thermal magnetic trip unit (TMF) for precise long-time and instantaneous (LI) protection. Equipped with line and load lugs, it serves as a direct replacement for legacy Tmax T1 series components.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 50kA @ 240VAC, 25kA @ 480Y/277VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 35kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ReliaGear neXT 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, HACR, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Double Insulated |
Product FAQs
5 answersWhat panelboards are compatible with the XT1NU3125AYD000XXX?
This breaker is designed for use with ABB ReliaGear neXT panelboards. It features a specialized plug-in line side connection that simplifies installation in these panels.
What wire sizes do the load lugs on the XT1NU3125AYD000XXX accept?
The included load-side lugs accept copper or aluminum wire ranging from 10 AWG to 2/0 AWG.
What type of trip unit does the XT1NU3125AYD000XXX feature?
It is equipped with a fixed thermal-magnetic trip unit. This provides non-adjustable long-time and instantaneous (LI) overcurrent protection.
Can the XT1NU3125AYD000XXX replace older ABB Tmax breakers?
Yes, the SACE Tmax XT1 frame serves as a direct replacement for legacy ABB Tmax T1 series circuit breakers.
Is the XT1NU3125AYD000XXX rated for DC applications?
Yes, in addition to its standard AC ratings, this breaker is rated for 250VDC with an interrupting capacity of 35kA.
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