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ABB XT1HU3045AFD000XXX Molded Case Circuit Breaker
- 45A
- 3 Pole
- Unit Mount
ABB
XT1HU3045AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1HU3045AFD000XXX
Quantity
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ABB XT1HU3045AFD000XXX - 45A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the ABB XT1HU3045AFD000XXX is a 3-pole molded case circuit breaker from the SACE Tmax XT family. It provides reliable protection with a fixed thermal-magnetic trip unit. This unit mount MCCB installs into ABB ReliaGear neXT panelboards, SB switchboards, and Tmax XT enclosures. It serves as a replacement for legacy T1H045TW breakers. Rated for 65kAIC at 480VAC, this current-limiting breaker is HACR rated and supports reverse feed setups.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 45A |
| 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 |
| Frame Type | XT1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards, ABB SACE Tmax XT Enclosures |
| Wire Gauge | 10 AWG - 2/0 AWG (Cu/Al) |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Double Insulated |
Product FAQs
6 answersWhich panelboards and switchboards are compatible with the XT1HU3045AFD000XXX?
This XT1 frame breaker is designed for use with ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards, and ABB SACE Tmax XT Enclosures.
What wire sizes and materials are supported by the factory lugs on this breaker?
The included lugs accept wire gauges from 10 AWG up to 2/0 AWG. They are rated for both copper (Cu) and aluminum (Al) conductors.
What type of protection does the LI trip unit provide on this XT1 breaker?
The LI designation indicates a thermal magnetic trip unit providing Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. Both the thermal and magnetic trip points are fixed on this specific model.
Is the XT1HU3045AFD000XXX suitable for direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 250VDC, where it provides an interrupting capacity of 50kA.
How is this Tmax XT1 breaker mounted?
This is a unit mount breaker. It is designed to be bolted directly into compatible enclosures, mounting bases, or panelboard chassis rather than plugging in.
Does this ABB Tmax XT breaker replace older GE molded case circuit breakers?
ABB acquired GE Industrial Solutions and integrated the product lines. The SACE Tmax XT series is the modern replacement for legacy GE lines like Spectra RMS and Record Plus, though specific retrofit kits or mounting hardware may be required when upgrading older panels.
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