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ABB XT1HU3045AYD000XXX Molded Case Circuit Breaker
- 45A
- 3 Pole
- Unit Mount
ABB
XT1HU3045AYD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1HU3045AYD000XXX
Quantity
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ABB XT1HU3045AYD000XXX - 45A 3 Pole Molded Case Circuit Breaker
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Quantity
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Description
The XT1HU3045AYD000XXX is a 3-pole, 45A molded case circuit breaker from ABB's SACE Tmax XT family. It provides robust protection for commercial and industrial facilities. This unit mount MCCB installs into ABB ReliaGear NeXT panelboards. It serves as a drop-in upgrade for legacy Tmax T1 series breakers, featuring included line and load lugs. Rated 65kAIC at 480V, it utilizes a fixed thermal-magnetic trip unit with LI protection. The breaker is HACR rated and double insulated.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 |
| 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 | Auxiliary Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Padlock Attachment, Terminal Shields |
|---|---|
| Accessories | Line Side Connector, Load Side Lugs Included, Mounting Hardware |
| 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, Double Insulated, Reverse Feed |
Product FAQs
7 answersWhat panelboards are compatible with the XT1HU3045AYD000XXX?
This breaker is designed for installation in ABB ReliaGear neXT panelboards.
Can this unit mount breaker be installed on a DIN rail?
Yes, it can be mounted on a standard 35mm DIN rail by adding the ABB KXT1EDIN-3 adapter bracket.
What does the H in the XT1H frame designation indicate?
The H indicates a High interrupting capacity tier, which provides a 65kAIC rating at 480VAC.
Are the thermal and magnetic trip settings adjustable on this model?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip thresholds cannot be adjusted.
What wire sizes are accepted by the included lugs?
The standard lugs accept wire gauges from 10 AWG up to 2/0 AWG and are rated for both copper and aluminum conductors.
Does this breaker replace legacy GE Industrial Solutions products?
Yes, ABB acquired GE Industrial Solutions. The Tmax XT series and ReliaGear neXT panelboards serve as the modern replacement path for legacy GE Spectra series panels and breakers.
Does the ReliaGear neXT system provide finger-safe protection during breaker installation?
Yes, the ReliaGear neXT bus stack meets IP20 standards for finger-safe protection, reducing the risk of contact with live parts when installing or servicing breakers.
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