Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
OXB1250E3S2QT ABB TruONE Automatic Transfer Switch 1250 A 4P
ABB OXB1250E3S2QT TruONE automatic transfer switch, a 1250 A 4 pole ATS with Level 2 DIP controller designed for reliable automatic power transfer in low voltage distribution systems.
£6,213.92
Why Choose the ABB OXB1250E3S2QT TruOne Automatic Transfer Switch?
The ABB OXB1250E3S2QT is a high-performance automatic transfer switch (ATS) designed to provide reliable power transfer between sources in critical power distribution systems. 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 a self-contained design that reduces wiring requirements and helps minimise installation complexity. The integrated Level 2 (DIP) controller provides dependable automatic transfer operation, while modular construction and advanced connectivity options support efficient maintenance and future system upgrades.
With a 1250 A rated current, 4-pole configuration and 200–480 V AC main circuit voltage range, the OXB1250E3S2QT is suited for demanding low-voltage power distribution applications requiring automatic source transfer and reliable continuity of supply.
Key Advantages
- ABB TruONE automatic transfer switch technology with integrated switch and controller design.
- 1250 A rated current for high-power electrical distribution applications.
- 4-pole switched configuration for reliable source transfer including neutral switching.
- Level 2 (DIP) controller for straightforward ATS configuration and operation.
- Delayed transition I-O-II operation for controlled transfer sequences.
- Compact integrated design reduces wiring and simplifies installation.
- Suitable for critical power applications requiring dependable automatic transfer.
Key Features
- ABB TruONE ATS series.
- Automatic transfer switch with integrated controller.
- 1250 A conventional free-air thermal current (Ith).
- 4-pole switched simultaneous function.
- Level 2 (DIP) controller.
- Supplies on top and load on bottom terminal arrangement.
- Delayed transition type I-O-II operation.
- Direct mounted handle for manual operation.
- Bolt terminal connection system.
- Front protection rating IP20.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB TruONE OXB1250E3S2QT help maintain continuity of electrical supply by automatically transferring loads between available power sources when required. The integrated switching and control design improves system reliability while reducing installation time and connection points.
The TruONE platform is designed for modern electrical distribution systems where dependable operation, simplified maintenance and flexible configuration are required. Its advanced architecture supports applications including mains-to-mains and mains-to-generator transfer systems.
Typical Applications
- Critical power distribution systems.
- Generator backup transfer applications.
- Commercial and industrial facilities.
- Data centres and infrastructure power systems.
- Healthcare and essential service installations.
- Low-voltage switchboards and electrical distribution panels.
Technical Specifications
Tick the specs you need, then view products that match.
| Operation | Automatic | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Series | TruONE Automatic Transfer Switches | |
| Product type | Automatic transfer switch (ATS) | |
| Order code | 1SCA153611R1001 | |
| Rated current | 1250 A | |
| Number of poles | 4P | |
| Controller type | Level 2 (DIP) | |
| 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 top, load on bottom | |
| Protection rating | Front IP20 | |
| Mounting style | Open style ATS | |
| Dimensions (H × W × D) | approx. 359 × 712 × 212 mm | |
| Weight | approx. 37.11 kg |
Frequently Asked Questions
What is the ABB OXB1250E3S2QT used for?
The ABB OXB1250E3S2QT is an automatic transfer switch designed to transfer electrical loads between power sources in critical power distribution systems.
What is the rated current of this ABB TruONE ATS?
The OXB1250E3S2QT has a rated current of 1250 A.
How many poles does the OXB1250E3S2QT have?
This automatic transfer switch has a 4-pole switched configuration.
What controller is included with this TruONE ATS?
The OXB1250E3S2QT includes an integrated Level 2 (DIP) controller.
What voltage range does the ABB OXB1250E3S2QT support?
The ATS 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.
