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OXB400U3X2QB ABB TruONE Automatic Transfer Switch 400 A
ABB OXB400U3X2QB TruONE automatic transfer switch, a 400 A three-pole open style ATS with Level 2 DIP controller and open transition operation for reliable power transfer applications.
£4,798.18
Why Choose the ABB OXB400U3X2QB TruONE Automatic Transfer Switch?
The ABB OXB400U3X2QB is a reliable automatic transfer switch (ATS) designed for dependable power source transfer in critical electrical installations. As part of the advanced ABB TruONE automatic transfer switch series, it combines the switching mechanism and controller into a single integrated unit to simplify installation, improve reliability and support efficient power management.
This TruONE ATS features an open style design with open transition type I-II operation and a Level 2 DIP controller, providing reliable automatic transfer control and straightforward configuration for modern power distribution systems.
With a 400 A UL rating, three-pole configuration and a 200–480 V AC operating voltage range, the OXB400U3X2QB is suitable for industrial, commercial and infrastructure applications requiring dependable automatic source transfer.
Key Advantages
- Integrated ABB TruONE automatic transfer switch solution combining switching and controller technology.
- 400 A rated current capability for demanding power transfer applications.
- Three-pole ATS configuration for three-phase electrical systems.
- Level 2 DIP controller provides reliable automatic transfer control.
- Open transition I-II operation supports controlled source transfer sequences.
- Compact integrated construction reduces wiring and installation requirements.
Key Features
- ABB TruONE automatic transfer switch series.
- Model: OXB400U3X2QB.
- 400 A UL rated operational current.
- 3-pole open style ATS design.
- Level 2 (DIP) controller.
- Open transition type I-II operation.
- 200–480 V AC main circuit voltage range.
- 50–60 Hz rated frequency.
- Direct mounted handle design.
- Bolt terminal connection system.
- Supplies on bottom - load on top terminal arrangement.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB TruONE OXB400U3X2QB help maintain continuity of electrical supply by automatically transferring loads between available power sources. The integrated switching and controller architecture improves operational reliability while reducing installation complexity and potential connection points.
The TruONE platform is engineered for modern electrical distribution systems with modular construction, advanced connectivity and simplified maintenance. Its integrated design supports efficient installation and reliable operation across critical power applications.
Typical Applications
- Industrial power distribution systems.
- Emergency and standby generator installations.
- Commercial buildings and infrastructure.
- Data centres and critical power systems.
- Automation and electrical control installations.
- Essential power supply applications.
Technical Specifications
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| Coil / Supply Voltage | 200–480 V AC | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Operation | Automatic | |
| Series | TruONE Automatic Transfer Switches | |
| Product type | Automatic transfer switch | |
| Product ID | 1SCA150978R1001 | |
| Rated current | 400 A | |
| Number of poles | 3P | |
| Controller type | Level 2 (DIP) | |
| Transition type | Open transition I-II | |
| Design type | Open style ATS | |
| Operating voltage | 200–480 V AC | |
| Rated frequency | 50–60 Hz | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 30 kA rms for 0.3 s | |
| Terminal type | Bolt | |
| Protection rating | Front IP20 | |
| Standards | UL1008 / IEC60947-6-1 |
Frequently Asked Questions
What is the ABB OXB400U3X2QB used for?
The ABB OXB400U3X2QB is an automatic transfer switch designed to transfer electrical loads between power sources in critical power applications.
What is the current rating of this TruONE transfer switch?
The OXB400U3X2QB has a rated current of 400 A.
How many poles does the ABB OXB400U3X2QB have?
This automatic transfer switch has a three-pole configuration.
What type of controller is included?
The OXB400U3X2QB includes a Level 2 DIP controller for automatic transfer management.
What type of transition operation does this ATS provide?
The OXB400U3X2QB provides open transition I-II operation for controlled power transfer sequences.
Trusted by Power System Engineers Worldwide
ABB TruONE automatic transfer switches are used in critical power installations worldwide to provide reliable source transfer, intelligent control and efficient electrical system management.
