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ABB XT4NU3175AYJ000XXX Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
ABB
XT4NU3175AYJ000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4NU3175AYJ000XXX
Quantity
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ABB XT4NU3175AYJ000XXX - 175A 3 Pole Molded Case Circuit Breaker
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Description
Operating within the highly adaptable SACE Tmax XT family, this 175A three-phase breaker delivers current-limiting performance for commercial facilities. It installs into ReliaGear neXT panelboards or standalone enclosures, offering an exact upgrade path for legacy T4N175 TMA devices. Equipped with a fixed thermal and magnetic trip unit, the HACR-rated mechanism ensures reliable long-time and instantaneous defense while maintaining double insulation for enhanced operational safety.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 35kA @ 250VDC, 35kA @ 600VDC |
| Frame Type | XT4N |
|---|---|
| Terminal Type | Lugs |
| For Use With | ReliaGear neXT Panelboards, ReliaGear SB Switchboards, SACE Tmax XT Enclosures |
| Wire Gauge | 4 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 4 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 |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, IEC, KEMA, RINA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
4 answersWhat panelboards and switchboards accept this XT4 breaker?
This breaker installs directly into ABB ReliaGear neXT panelboards and ReliaGear SB switchboards. It is also compatible with standard SACE Tmax XT standalone enclosures.
What wire size range is supported by the standard terminals?
The factory-installed mechanical lugs on this unit accommodate either copper or aluminum conductors spanning from 4 AWG up to 300 kcmil.
Does this thermal-magnetic breaker support direct current applications?
Yes, the breaker is suitable for DC electrical systems, delivering a 35kA interrupting capacity at both 250VDC and 600VDC.
Is the trip unit adjustable for specific coordination requirements?
No, this specific model is equipped with a fixed thermal and fixed magnetic trip unit for basic long-time and instantaneous overcurrent protection. It does not offer adjustable dial settings.
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