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OXB250E3S4QB ABB TruONE Automatic Transfer Switch 250 A
ABB OXB250E3S4QB TruONE automatic transfer switch, a 250 A four-pole open style ATS with Level 4 Touch controller and delayed transition operation for reliable power transfer applications.
£6,199.95
Why Choose the ABB OXB250E3S4QB TruONE Automatic Transfer Switch?
The ABB OXB250E3S4QB is a high-performance automatic transfer switch (ATS) designed for reliable 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 provide dependable operation, simplified installation and improved system reliability.
This TruONE ATS features an open style design with delayed transition I-O-II operation and a Level 4 Touch controller, providing advanced monitoring, configuration and control functions for modern power distribution systems. Its integrated architecture reduces wiring requirements while supporting efficient maintenance and future connectivity. :chatgpt-content-reference{index="0"}
With a 250 A rating, four-pole configuration and a 200–480 V AC main circuit voltage range, the OXB250E3S4QB is suitable for industrial, commercial and infrastructure applications requiring dependable automatic transfer between power sources. :chatgpt-content-reference{index="1"}
Key Advantages
- Integrated ABB TruONE automatic transfer switch solution combining switch and controller technology.
- 250 A rated current capability for demanding power transfer applications.
- Four-pole ATS configuration for flexible three-phase power systems.
- Level 4 Touch controller provides advanced monitoring and transfer management.
- Delayed transition I-O-II operation supports controlled transfer sequences.
- Compact integrated design reduces installation complexity and connection points.
Key Features
- ABB TruONE automatic transfer switch series.
- Model: OXB250E3S4QB.
- 250 A rated operational current.
- 4-pole open style ATS design.
- Level 4 (Touch) controller.
- Delayed transition type I-O-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 and load on top terminal arrangement.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB TruONE OXB250E3S4QB 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 and maintenance complexity.
The TruONE platform is designed for applications where dependable power availability is essential. Its integrated controller functions, modular construction and advanced connectivity capabilities support modern electrical distribution systems and critical power infrastructure. :chatgpt-content-reference{index="2"}
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 | |
|---|---|---|
| Operation | Automatic | |
| Device Type | Automatic transfer switch | |
| Series | TruONE Automatic Transfer Switches | |
| Product type | Automatic transfer switch | |
| Product ID | 1SCA152794R1001 | |
| Rated current | 250 A | |
| Number of poles | 4P | |
| Controller type | Level 4 (Touch) | |
| Transition type | Delayed transition I-O-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 | 8 kV | |
| Rated short-time withstand current | 18 kA rms for 0.3 s | |
| Terminal type | Bolt | |
| Protection rating | Front IP20 | |
| Pollution degree | 3 | |
| Standards | IEC60947-6-1 | |
| Dimensions (H × W × D) | approx. 305 × 375 × 183 mm | |
| Weight | approx. 15.77 kg |
Frequently Asked Questions
What is the ABB OXB250E3S4QB used for?
The ABB OXB250E3S4QB 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 OXB250E3S4QB has a rated current of 250 A.
How many poles does the ABB OXB250E3S4QB have?
This automatic transfer switch has a four-pole configuration.
What type of controller is included?
The OXB250E3S4QB includes a Level 4 Touch controller for advanced transfer control and monitoring.
What type of transition operation does this ATS provide?
The OXB250E3S4QB provides delayed transition I-O-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.
