ABB XT4HU3250FY8000XXX Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Quantity
ABB XT4HU3250FY8000XXX - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for demanding industrial environments, this 3-pole, 250A ABB SACE Tmax XT molded case circuit breaker delivers robust power distribution. Designed for unit-mount configurations, it installs into ABB ReliaGear neXT panelboards and switchboards. It serves as a functional replacement for legacy T4H 250 PR221DS-LS/I models. The advanced Ekip DIP LSI electronic trip unit allows for adjustable long-time, short-time, and instantaneous settings. It features a 65kAIC rating at 480VAC.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 100-250A |
|---|
| Frame Type | XT4N |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Auxiliary Switch, Shunt Trip, Undervoltage Release, Lug Kits, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Front Terminals Included, Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, IEC, KEMA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, Reverse Feed, 100% Rated, Double Insulation |
Product FAQs
6 answersWhich panelboards are compatible with the ABB XT4HU3250FY8000XXX circuit breaker?
This unit-mount breaker is designed for installation in ABB ReliaGear neXT panelboards and switchboards.
What protection functions are included in the electronic trip unit?
The breaker is equipped with an Ekip LSI solid-state release. This provides adjustable Long-Time, Short-Time, and Instantaneous trip functions for precise coordination in low-voltage distribution systems.
Does this breaker support field-adjustable trip settings?
Yes, the Ekip DIP LSI electronic trip unit features adjustable dials on the front of the breaker, allowing electricians to fine-tune the overload and short-circuit protection thresholds to match specific load requirements.
What wire gauge range is supported by the terminals on this 250A breaker?
The factory-installed lugs are rated to accept copper or aluminum conductors ranging from 3/0 AWG to 350 kcmil.
Can this XT4 breaker be used to upgrade older ABB installations?
Yes, the XT4HU3250FY8000XXX serves as a direct functional replacement for legacy T4H 250 PR221DS-LS/I circuit breakers, allowing you to upgrade older switchboards with modern Ekip electronic trip technology.
What are the ventilation and clearance requirements for installing this breaker?
To ensure safe operation and proper fault interruption, wiring and field-installed accessories must never block the breaker arc vents or the enclosure ventilation openings. Conductors and splices must also not exceed 75 percent of the wiring space cross-sectional area.
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