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ABB XT1HU3040AFD000XXX Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
ABB
XT1HU3040AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1HU3040AFD000XXX
Quantity
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ABB XT1HU3040AFD000XXX - 40A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial power distribution, the ABB XT1HU3040AFD000XXX provides 3-pole, 40-amp protection within the SACE Tmax XT1 family. It features a fixed thermal-magnetic trip unit for reliable LI protection. This unit-mount breaker installs into ABB ReliaGear neXT panelboards and ReliaGear SB switchboards. It serves as a replacement for the legacy T1H040TL. Rated at 65kAIC at 480VAC, it includes load-side lugs and offers reverse-feed capabilities.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 40A |
| 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 |
| 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, Lug Kits, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs (Kit FC CuAl 10-2/0 AWG) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, IEC, KEMA, RINA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Double Insulated, High Interrupting Capacity |
Product FAQs
8 answersWhich panelboards are compatible with this XT1 circuit breaker?
This unit-mount breaker is designed for installation in ABB ReliaGear NeXT panelboards and ReliaGear SB switchboards. It bolts directly to the chassis and is not a plug-in breaker.
What wire sizes do the lugs on this breaker accept?
The factory-installed lugs accept wire gauges from 10 AWG to 2/0 AWG. They are rated for use with both copper and aluminum conductors.
What does the H in the XT1HU3040AFD000XXX part number indicate?
The H designates this as a High interrupting capacity breaker within the Tmax XT1 frame, providing a 65kA short-circuit rating at 480VAC.
Are the trip settings adjustable on this 40A breaker?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit trip thresholds are factory-set and cannot be adjusted in the field.
Can this 3-pole breaker be used in single-phase applications?
Yes, ABB XT1 three-pole circuit breakers are UL-rated for use in single-phase applications up to 347VAC.
Is this breaker suitable for reverse feeding?
Yes, the Tmax XT1 series supports reverse feed capabilities. Power can be supplied to the bottom terminals up to the maximum voltage rating.
Can this breaker be used in DC electrical systems?
Yes, it is rated for DC applications up to 250VDC with an interrupting capacity of 50kA. Specific pole wiring configurations may be required depending on your system voltage.
Does this breaker replace older ABB Tmax models?
Yes, the XT1HU3040AFD000XXX serves as a direct functional replacement for the legacy ABB Tmax T1H040TL circuit breaker.
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