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ABB XT1HU3125AFD000XXX Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
ABB
XT1HU3125AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1HU3125AFD000XXX
Quantity
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ABB XT1HU3125AFD000XXX - 125A 3 Pole Molded Case Circuit Breaker
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Description
A high-performance solution for industrial facilities, the ABB XT1HU3125AFD000XXX is a 125A, 3-pole molded case circuit breaker. It features a fixed thermal-magnetic trip unit (TMF) that provides precise long-time and instantaneous (LI) protection for critical circuits. Designed for unit mounting, it installs into ABB ReliaGear neXT panelboards, SB switchboards, and Tmax XT enclosures. With a 65kAIC rating at 480VAC, this current-limiting breaker serves as an upgrade for Tmax T1 series.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards, Tmax XT Enclosures |
| 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 |
|---|---|
| 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, Trip-Free Mechanism |
Product FAQs
8 answersWhat panelboards are compatible with the XT1HU3125AFD000XXX?
This XT1 frame breaker is designed to install directly into ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and standard Tmax XT enclosures.
What does the letter H in the XT1HU3125AFD000XXX part number signify?
The letter H indicates a High interrupting capacity tier for the XT1 frame, providing a 65kA rating at 480VAC and 100kA at 240VAC.
What type of trip unit does this breaker use?
It is equipped with a thermal magnetic trip unit featuring fixed thermal and fixed magnetic settings. This provides standard long-time and instantaneous (LI) overcurrent protection.
What wire sizes are accepted by the standard lugs on this breaker?
The factory-installed lugs on this XT1 breaker accept wire gauges ranging from 10 AWG up to 2/0 AWG.
Is the XT1HU3125AFD000XXX suitable for reverse feeding?
Yes, ABB SACE Tmax XT molded case circuit breakers are reverse feed capable, allowing power to be supplied from either the top or bottom terminals without compromising performance.
Can this Tmax XT1 breaker replace legacy GE breakers?
Yes, the ABB Tmax XT series serves as a modern replacement for legacy General Electric lines, including Spectra RMS. Specific retrofit kits or mounting hardware are required when installing into existing GE enclosures.
Does this breaker replace the older ABB Tmax T1 series?
Yes, the SACE Tmax XT1 frame is the direct, upgraded replacement for the legacy ABB Tmax T1 series molded case circuit breakers.
Is this circuit breaker HACR rated?
Yes, ABB Tmax XT molded case circuit breakers are HACR rated, meaning they are tested and approved for use with heating, air conditioning, and refrigeration equipment.
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