Product Description
The ABB XT4NU3225AY8000XXX is engineered for commercial and industrial applications, delivering robust power distribution protection. This unit mount MCCB installs into ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures. It serves as a drop-in replacement for legacy T4N225TW breakers. Rated for 25 kAIC at 480VAC, it utilizes a TMF fixed thermal and fixed magnetic trip unit.
- Engineered for commercial and industrial applications
- Unit mount MCCB
- Installs into ReliaGear neXT panelboards, ReliaGear SB switchboards, and SACE Tmax XT enclosures
Product Highlights
The ABB XT4NU3225AY8000XXX is a 225A 3 pole molded case circuit breaker designed for reliable power distribution protection in commercial and industrial applications.
Product Information
Standard Information
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Brand: ABB
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Manufacturer Part Number: XT4NU3225AY8000XXX
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Country of Origin: United States
Technical Specifications
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Brand: ABB
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Series: Tmax XT Series
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Amperage: 225A
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Voltage: 600V
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Poles: 3
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Phase: 3
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AIC Rating: 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 35kA @ 250VDC, 35kA @ 600VDC
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Mounting Style: Unit Mount
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Terminal Type: Line and Load Side Lug
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For Use With: ABB ReliaGear neXT Power Panels, ReliaGear SB Switchboards, SACE Tmax XT Panelboards
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Trip Technology: Thermal Magnetic
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Trip Function Code: LI
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Trip Function: Long-Time, Instantaneous
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Trip Adjustability: Fixed Thermal, Fixed Magnetic
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Wire Gauge: 3/0 AWG - 350 kcmil (Cu/Al)
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Max Wire: 350 kcmil
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Min Wire: 3/0 AWG
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Available Options: Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator, Rotary Handle, Padlock Attachment
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Accessories: Front Terminals Included, Lugs Not Included
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Standards: CSA C22.2 No. 5, IEC 60947-2, UL 489
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Approval: CCC, CSA, cULus, IEC, KEMA, RINA, UL
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Temp Rating: -25C to 70C
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Construction Features: HACR Rated, Reverse Feed
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Category: Circuit Breaker
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Item Subcategory: Molded Case
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Family: SACE Tmax XT
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Type: XT4NU
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Connection: Bolt-On
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Certification: UL, CSA
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Amperage Rating: 225 A
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Frequency Rating: 50/60 Hz
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Height: 6.3 in
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Interrupt Rating: 25 kA
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Length: 3-1/4 in
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Number of Poles: 3
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Trip Range: 225 to 2250 A
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Trip Type: TMF
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Voltage Rating: 480 V
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Width: 4.13 in
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Wire Size: 3/0 AWG to 350 kcmil
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Additional Information: LSC for ReliaGear
neXT Power Panelboard
