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ABB XT4HU3175AFJ000XXX Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
ABB
XT4HU3175AFJ000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4HU3175AFJ000XXX
Quantity
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ABB XT4HU3175AFJ000XXX - 175A 3 Pole Molded Case Circuit Breaker
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Description
Delivering reliable power distribution, the ABB XT4HU3175AFJ000XXX is a 3-pole, 175A molded case circuit breaker for industrial environments. This unit-mount MCCB integrates with ABB ReliaGear neXT panelboards and SB switchboards. It provides an exact replacement for the legacy T4H200TW adjustable breaker. Equipped with a fixed thermal-magnetic trip unit (LI), it offers 65 kAIC at 480VAC. The current-limiting design includes line and load lugs and is HACR rated.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 50kA @ 250VDC, 65kA @ 600VDC |
| Frame Type | XT4H |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards, SACE Tmax XT Panelboards |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator, Handle Lock, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CE, CSA, cULus, IEC, KEMA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, Reverse Feed, Double Insulation, Positive Operation, Suitable for Single Phase Application |
Product FAQs
7 answersWhich ABB panelboards and switchboards are compatible with this breaker?
This unit mounts directly into ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards, and SACE Tmax XT Panelboards.
What wire sizes and materials are supported by the terminal lugs?
The standard lugs accept either copper or aluminum conductors ranging from 4 AWG up to 300 kcmil.
Is this Tmax XT circuit breaker suitable for DC voltage applications?
Yes, it carries direct current interrupting ratings up to 65kA at 600VDC and 50kA at 250VDC, making it suitable for ungrounded DC circuits.
Does this XT4 breaker feature adjustable trip settings?
No, it is equipped with a thermal magnetic trip unit that has fixed Long-Time and Instantaneous trip functions. If you require adjustable settings, you will need a model with an electronic trip unit.
How is this breaker installed into the electrical bus?
This is a unit mount, bolt-on circuit breaker. It fastens directly to the bus structure using bolted connections, rather than utilizing a plug-in or drawout mechanism.
What does the LI trip function code indicate?
The LI designation means the breaker provides two primary types of protection: Long-Time (L) for standard overload conditions and Instantaneous (I) for immediate short circuit protection.
What does the H in the XT4H frame designation signify?
In the ABB SACE Tmax XT nomenclature, the H denotes the High interrupting capacity tier, which provides elevated fault protection compared to standard frames.
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