ABB
Tmax XT4H Molded Case Circuit Breaker
- SKU:
- XT4HU3225AFJ000XXX
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 5.52 LBS
Description
Tmax XT4H Molded Case Circuit Breaker
ABB Tmax XT4H Molded Case Circuit Breaker is a 225A, three-pole molded case circuit breaker designed for power distribution applications. The breaker uses a fixed configuration with front terminals and an ABB TMF thermomagnetic release.
The XT4H platform provides high short-circuit performance in a compact molded case design. This model is rated for AC/DC applications, uses a 250A frame with a 225A rated current, and is built to UL 489 requirements.
Product Highlights
- ABB SACE Tmax XT molded case circuit breaker
- XT4H frame / performance level
- 225A rated current
- 250A rated uninterrupted current
- 3-pole configuration
- Fixed breaker version
- Front terminal connections
- TMF thermomagnetic release
- 2250A instantaneous short-circuit current setting
- AC/DC current compatibility
- 600V rated operational voltage
- High interrupting capacity
- UL 489 standard
- Designed for power distribution applications
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Catalog Number | XT4HU3225AFJ000XXX |
| Product ID | 1SDA080083R1 |
| Product Family | SACE Tmax XT |
| Product Type | Molded Case Circuit Breaker |
| Sub-Type | XT4 |
| Performance Level | H |
| Rated Current | 225A |
| Rated Uninterrupted Current | 250A |
| Number of Poles | 3 |
| Current Type | AC / DC |
| Rated Operational Voltage | 600V AC / 600V DC |
| Rated Voltage | 600V |
| Release | TMF |
| Release Type | Thermomagnetic |
| Setting Range | 225A |
| Instantaneous Short-Circuit Setting | 2250A |
| Version | Fixed |
| Terminal Connection | Front |
| Terminal Type | Bolt |
| Connecting Capacity - Main Circuit | Busbar 85-200 mm² |
| Terminal Tightening Torque | 8 N·m |
| Standard | UL 489 |
Breaker Configuration
225A Rated Current
This XT4H breaker has a 225A rated current with a 250A rated uninterrupted current frame.
3-Pole
The breaker uses a three-pole configuration for compatible three-pole power distribution applications.
Fixed Mounting
ABB identifies this breaker as a fixed version with front terminal connections.
Thermomagnetic Trip Protection
The breaker is equipped with an ABB TMF thermomagnetic release. The rated current setting is 225A and the rated instantaneous short-circuit current setting is 2250A.
The thermomagnetic release provides protection for compatible power distribution circuits according to the breaker ratings and installation requirements.
Interrupting Ratings
| Voltage | Interrupting Rating |
|---|---|
| 240V AC | 150 kA |
| 480V AC | 65 kA |
| 600V AC | 25 kA |
| 250V DC - 2 Poles in Series | 50 kA |
| 600V DC - 3 Poles in Series | 65 kA |
AC & DC Applications
AC Applications
ABB lists the XT4H breaker for AC operation with interrupting ratings of 150 kA at 240V AC, 65 kA at 480V AC, and 25 kA at 600V AC.
DC Applications
The breaker is also rated for DC applications, including 50 kA at 250V DC with two poles in series and 65 kA at 600V DC with three poles in series.
Terminal & Connection Details
- Front terminal connection
- Bolt-type terminals
- Main circuit busbar capacity: 85-200 mm²
- Recommended main circuit screw size: M8
- Published tightening torque: 8 N·m
- Compatible terminal accessory kits are available for selected copper and copper/aluminum conductor ranges
Confirm the exact terminal kit, conductor material, conductor size, and connection arrangement required for the installation before ordering accessories or terminating conductors.
Electrical & Mechanical Durability
Electrical Durability
ABB lists an electrical durability of 8,000 operating cycles, with a specified operating rate of 120 cycles per hour.
Mechanical Durability
ABB lists a mechanical durability of 25,000 operating cycles, with a specified operating rate of 240 cycles per hour.
Dimensions & Weight
| Product Net Width | 105 mm |
|---|---|
| Product Net Height | 160 mm |
| Product Net Depth / Length | 82.5 mm |
| Product Net Weight | 2.5 kg |
Additional Performance Details
| Power Loss | 13.3 W per pole at rated operating conditions |
|---|---|
| Opening Time with SOR | 30 ms |
| Opening Time with UVR | 30 ms |
| Circuit Breaker Application | Power Distribution |
| Minimum Order Quantity | 1 Piece |
Single Model Selection Guide
| Catalog Number | Rated Current | Poles | Release | Configuration |
|---|---|---|---|---|
| XT4HU3225AFJ000XXX | 225A | 3 | TMF Thermomagnetic | Fixed | Front Terminals |
Common Applications
Power Distribution
- Commercial electrical distribution
- Industrial electrical distribution
- Panelboard and switchboard applications where compatible
- Feeder circuit protection
- Power distribution equipment
High Fault Current Applications
- Applications requiring high interrupting capacity
- 240V AC systems up to the published 150 kA rating
- 480V AC systems up to the published 65 kA rating
- 600V AC systems up to the published 25 kA rating
- Compatible AC and DC power distribution systems
Installation & Selection Considerations
- Confirm catalog number XT4HU3225AFJ000XXX before ordering.
- Verify that an ABB Tmax XT4H molded case circuit breaker is required for the application.
- Confirm that a 225A rated current and 250A frame are appropriate for the electrical system.
- Verify that the required application uses a 3-pole circuit breaker.
- Confirm system voltage before installation.
- Verify available fault current against the applicable interrupting rating for the system voltage.
- Do not apply the 150 kA rating at voltages where ABB specifies a lower interrupting rating.
- Confirm that the fixed breaker configuration with front terminals is appropriate for the equipment.
- Verify compatibility with the exact panelboard, switchboard, enclosure, or distribution equipment.
- Confirm conductor or busbar requirements before installation.
- ABB lists a main-circuit busbar connecting capacity of 85-200 mm².
- Verify the exact terminal kit when cable connections are required.
- Confirm conductor material and conductor size before selecting terminal accessories.
- Follow the published 8 N·m terminal tightening torque where applicable.
- Verify coordination and protection requirements for the complete electrical distribution system.
- Do not exceed the rated current, voltage, or interrupting capacity of the circuit breaker.
- Maintain all required electrical working clearances and equipment barriers.
- De-energize equipment before installing, removing, or servicing the circuit breaker.
- Verify absence of voltage before working inside electrical equipment.
- Installation and service should be performed by qualified electrical personnel.
- Follow current ABB instructions, equipment labeling, and all applicable local and national electrical codes.
Product Documents
Review the ABB Tmax XT4H Product Details for rated current, voltage, interrupting ratings, TMF release information, terminal configuration, dimensions, durability, standards, accessory information, and additional manufacturer specifications.
Need Help Selecting a Molded Case Circuit Breaker?
Our electrical and industrial product specialists can help review your required amperage, system voltage, available fault current, pole configuration, terminal requirements, conductor sizing, and equipment compatibility before you order.
Frequently Asked Questions
What is the catalog number?
The catalog number for this listing is XT4HU3225AFJ000XXX.
What type of breaker is this?
It is an ABB SACE Tmax XT4H molded case circuit breaker designed for power distribution applications.
What is the rated current?
ABB lists a rated current of 225A.
What is the frame rating?
The breaker has a rated uninterrupted current of 250A.
How many poles does the breaker have?
The breaker uses a 3-pole configuration.
What type of trip unit does it use?
The breaker uses an ABB TMF thermomagnetic release.
What is the instantaneous short-circuit current setting?
ABB lists an instantaneous short-circuit current setting of 2250A.
What voltage is the breaker rated for?
ABB lists a rated operational voltage of up to 600V AC and 600V DC.
What is the interrupting rating at 240V AC?
ABB lists an interrupting rating of 150 kA at 240V AC.
What is the interrupting rating at 480V AC?
ABB lists an interrupting rating of 65 kA at 480V AC.
What is the interrupting rating at 600V AC?
ABB lists an interrupting rating of 25 kA at 600V AC.
What type of terminals does the breaker use?
ABB identifies the breaker with front, bolt-type terminal connections.
What standard does the breaker meet?
ABB lists UL 489 as the applicable standard.
Where can I review the ABB product documentation?
The ABB Tmax XT4H Molded Case Circuit Breaker Product Details PDF is linked in the Product Documents section above.
Important Ordering & Installation Notes
- Product: Tmax XT4H Molded Case Circuit Breaker.
- Catalog number for this listing: XT4HU3225AFJ000XXX.
- Manufacturer: ABB.
- Product family: SACE Tmax XT.
- Sub-type: XT4.
- Performance level: H.
- Rated current: 225A.
- Rated uninterrupted current: 250A.
- Number of poles: 3.
- Current type: AC / DC.
- Rated operational voltage: 600V AC / 600V DC.
- Release: TMF thermomagnetic.
- Instantaneous short-circuit current setting: 2250A.
- Version: Fixed.
- Terminal connection: Front.
- Terminal type: Bolt.
- Standard: UL 489.
- Interrupting rating at 240V AC: 150 kA.
- Interrupting rating at 480V AC: 65 kA.
- Interrupting rating at 600V AC: 25 kA.
- Interrupting rating at 250V DC with two poles in series: 50 kA.
- Interrupting rating at 600V DC with three poles in series: 65 kA.
- Confirm that the breaker current rating and pole configuration match the electrical system before ordering.
- Verify the exact panelboard, switchboard, enclosure, or power distribution equipment compatibility.
- Confirm system voltage before selecting the applicable interrupting rating.
- Do not assume the same interrupting rating applies at every voltage.
- Verify available fault current does not exceed the applicable ABB interrupting rating.
- Confirm conductor or busbar requirements for the exact installation.
- ABB lists a main circuit busbar connection capacity of 85-200 mm².
- Verify the required terminal accessory kit when cable termination is needed.
- Confirm conductor material and size before ordering terminal accessories.
- Follow ABB terminal tightening and installation requirements.
- Do not exceed the rated current, voltage, or short-circuit performance of the circuit breaker.
- Maintain all required electrical working clearances, barriers, covers, and protective components.
- De-energize equipment before installing, removing, or servicing the circuit breaker.
- Verify absence of voltage before working inside electrical equipment.
- Installation and service should be performed by qualified electrical personnel.
- Follow current ABB installation instructions, equipment labeling, and all applicable local and national electrical codes.
