ABB
SACE Tmax XT Molded Case Circuit Breaker
- SKU:
- XT5NU340ABFN000XXX
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 11.50 LBS
Description
SACE Tmax XT Molded Case Circuit Breaker
ABB SACE Tmax XT Molded Case Circuit Breaker is designed for compatible power distribution applications requiring a high-performance molded case circuit breaker.
Catalog number XT5NU340ABFN000XXX should be matched to the exact electrical system, frame requirements, pole configuration, trip characteristics, terminal arrangement, available fault current, and equipment compatibility before ordering or installation.
Product Highlights
- ABB SACE Tmax XT molded case circuit breaker
- Catalog number XT5NU340ABFN000XXX
- Designed for power distribution applications
- High-performance molded case circuit breaker platform
- Single-SKU product
- Verify exact frame and trip configuration before ordering
- Confirm voltage and short-circuit requirements for the complete system
- Designed for installation in compatible electrical distribution equipment
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Catalog Number | XT5NU340ABFN000XXX |
| Product Family | SACE Tmax XT |
| Product Type | Molded Case Circuit Breaker |
| Primary Application | Power Distribution |
Breaker Application
The XT5NU340ABFN000XXX is part of ABB's SACE Tmax XT molded case circuit breaker family for compatible electrical power distribution systems.
Molded case circuit breaker selection must be based on the complete electrical application rather than catalog-family name alone. Confirm the exact current rating, frame, trip unit, system voltage, interrupting requirement, pole configuration, and mounting arrangement before installation.
Single Model Selection Guide
| Catalog Number | Product Family | Product Type | Application |
|---|---|---|---|
| XT5NU340ABFN000XXX | SACE Tmax XT | Molded Case Circuit Breaker | Power Distribution |
Common Applications
Power Distribution
- Commercial electrical distribution
- Industrial electrical distribution
- Switchboard applications where compatible
- Panelboard applications where compatible
- Feeder circuit protection
Equipment Integration
- Compatible ABB distribution equipment
- Electrical equipment upgrades
- Replacement molded case circuit breaker applications
- New equipment installations
- Approved power distribution assemblies
Installation & Selection Considerations
- Confirm catalog number XT5NU340ABFN000XXX before ordering.
- Verify that an ABB SACE Tmax XT molded case circuit breaker is required.
- Confirm the exact breaker frame and current rating for the application.
- Verify the pole configuration before installation.
- Confirm the exact trip-unit type and protection functions required.
- Verify system voltage before installation.
- Confirm available fault current against the applicable breaker interrupting rating.
- Do not assume the same interrupting rating applies at every system voltage.
- Confirm compatibility with the exact panelboard, switchboard, enclosure, or distribution equipment.
- Verify the required fixed, plug-in, or draw-out mounting arrangement where applicable.
- Confirm front, rear, or other terminal requirements for the exact breaker configuration.
- Verify conductor material, conductor size, busbar size, and terminal requirements.
- Use only manufacturer-approved terminal and accessory kits.
- Follow ABB terminal torque and breaker installation requirements.
- Verify coordination and protection requirements for the complete electrical distribution system.
- Do not exceed the breaker current, voltage, or short-circuit ratings.
- Maintain all required electrical working clearances, barriers, covers, and guards.
- 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.
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, breaker frame, trip unit, pole configuration, mounting style, terminal requirements, and equipment compatibility before you order.
Frequently Asked Questions
What is the catalog number?
The catalog number is XT5NU340ABFN000XXX.
What type of product is this?
It is an ABB SACE Tmax XT molded case circuit breaker.
What is this breaker used for?
It is intended for compatible power distribution applications.
Can I select this breaker based only on the catalog family?
No. Confirm the exact current rating, frame, poles, trip unit, system voltage, interrupting requirements, mounting arrangement, and equipment compatibility before ordering.
Can it be used in any panelboard or switchboard?
No. Verify compatibility with the exact electrical distribution equipment before installation.
Why is the interrupting rating important?
The selected breaker must have an interrupting rating suitable for the available fault current at the installation point and system voltage.
Important Ordering & Installation Notes
- Product: SACE Tmax XT Molded Case Circuit Breaker.
- Catalog number: XT5NU340ABFN000XXX.
- Manufacturer: ABB.
- Product family: SACE Tmax XT.
- Product type: Molded Case Circuit Breaker.
- Application: Compatible power distribution systems.
- Confirm the exact breaker frame and rated current before ordering.
- Verify the number of poles required for the electrical system.
- Confirm the exact trip unit and protection functions required by the application.
- Verify system voltage before selecting or installing the breaker.
- Confirm available fault current does not exceed the applicable interrupting rating.
- Do not assume that a breaker with the same frame or current rating has identical short-circuit performance.
- Confirm the exact mounting arrangement required by the equipment.
- Verify terminal configuration, conductor material, conductor size, and busbar requirements.
- Use only manufacturer-approved terminal, accessory, and mounting kits.
- Do not substitute a different Tmax XT configuration based only on physical appearance or frame size.
- Verify compatibility with the exact panelboard, switchboard, enclosure, or electrical distribution assembly.
- Follow ABB terminal torque, mounting, and installation requirements.
- Do not exceed the rated current, voltage, or short-circuit performance of the 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.
