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OXB1250E3S3QB ABB TruONE Automatic Transfer Switch 1250 A 4P
ABB OXB1250E3S3QB TruONE automatic transfer switch, a 1250 A 4 pole ATS with Level 3 LCD controller designed for reliable automatic power transfer in low voltage distribution systems.
£8,887.45
Why Choose the ABB OXB1250E3S3QB TruONE Automatic Transfer Switch?
The ABB OXB1250E3S3QB is a high-performance automatic transfer switch (ATS) designed for reliable source transfer in critical low-voltage power distribution systems. As part of the advanced ABB TruONE automatic transfer switch series, it integrates the switching mechanism and controller into one complete unit to simplify installation, improve reliability and support efficient power continuity solutions.
This TruONE ATS features an integrated Level 3 (LCD) controller that provides advanced monitoring, configuration and control functions. Its self-contained construction reduces wiring requirements and connection points, helping improve installation efficiency while supporting predictive maintenance and reduced service downtime.
With a 1250 A rated current, 4-pole switched configuration, 200–480 V AC main circuit voltage and a delayed transition I-O-II operation, the OXB1250E3S3QB is suitable for demanding applications where dependable automatic transfer between power sources is required.
Key Advantages
- ABB TruONE automatic transfer switch technology with integrated switch and controller design.
- 1250 A rated current for high-capacity power distribution applications.
- 4-pole switched configuration with simultaneous neutral switching function.
- Level 3 (LCD) controller for advanced ATS setup and monitoring.
- Delayed transition I-O-II operation for controlled transfer sequences.
- Integrated design reduces installation complexity and potential connection failures.
- Modular construction supports easier maintenance and serviceability.
Key Features
- ABB TruONE ATS series.
- Automatic transfer switch with integrated controller.
- 1250 A conventional free-air thermal current.
- 4P switched simultaneous function.
- Level 3 (LCD) controller.
- Supplies on bottom and load on top terminal arrangement.
- Delayed transition type I-O-II operation.
- Direct mounted handle for manual operation.
- Bolt terminal connection.
- Advanced connectivity and monitoring capability.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB TruONE OXB1250E3S3QB maintain power availability by automatically transferring connected loads between available sources when required. The integrated switching and control architecture helps simplify system design while improving operational reliability.
The TruONE platform is engineered for modern electrical distribution environments requiring dependable transfer performance, advanced monitoring and simplified maintenance. Its Level 3 LCD controller provides enhanced configuration options for complex power management applications.
Typical Applications
- Critical power distribution systems.
- Generator backup and standby power systems.
- Industrial electrical installations.
- Data centres and infrastructure facilities.
- Healthcare and essential service power systems.
- Low-voltage switchboards and distribution assemblies.
Technical Specifications
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| Operation | Automatic | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Series | TruONE Automatic Transfer Switches | |
| Product type | Automatic transfer switch (ATS) | |
| Order code | 1SCA153612R1001 | |
| Rated current | 1250 A | |
| Number of poles | 4P | |
| Controller type | Level 3 (LCD) | |
| Transition type | Delayed transition I-O-II | |
| Main circuit 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 | 65 kA rms for 0.1 s | |
| Terminal type | Bolt | |
| Line terminal position | Supplies on bottom, load on top | |
| Protection rating | Front IP20 | |
| Mounting style | Open style ATS | |
| Dimensions (H × W × D) | approx. 359 × 712 × 212 mm | |
| Weight | approx. 37.08 kg |
Frequently Asked Questions
What is the ABB OXB1250E3S3QB used for?
The ABB OXB1250E3S3QB is an automatic transfer switch designed to transfer electrical loads between power sources in critical low-voltage distribution systems.
What is the rated current of this TruONE ATS?
The OXB1250E3S3QB has a rated current of 1250 A.
What controller is included with the OXB1250E3S3QB?
The ATS includes an integrated Level 3 (LCD) controller for advanced monitoring and configuration.
How many poles does the ABB OXB1250E3S3QB have?
The OXB1250E3S3QB features a 4-pole switched configuration with simultaneous function.
What voltage range does the ABB TruONE ATS support?
The OXB1250E3S3QB supports a main circuit voltage range of 200–480 V AC.
Trusted by Power Distribution Professionals Worldwide
ABB TruONE automatic transfer switches are used by electrical engineers and system integrators worldwide to provide reliable automatic source transfer, simplified installation and dependable operation in critical power environments.
