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OXB1250E3S3QT ABB TruONE ATS 1250A 4P L-Bott S-Top L3 LCD
ABB OXB1250E3S3QT TruONE automatic transfer switch, a 1250 A four pole Level 3 LCD controlled ATS designed for reliable automatic power transfer applications.
£8,887.45
Why Choose the ABB OXB1250E3S3QT TruONE ATS?
The ABB OXB1250E3S3QT is a high-capacity TruONE automatic transfer switch (ATS) designed for reliable automatic power transfer in critical electrical installations. As part of the advanced ABB TruONE ATS range, it integrates the switching mechanism and controller into one seamless unit, helping simplify installation, improve reliability and reduce maintenance requirements. :chatgpt-content-reference{index="0"}
This 1250 A four-pole open style ATS features a Level 3 LCD controller, delayed transition I-O-II operation and a line terminal arrangement with supplies on top and load on bottom, providing dependable source transfer functionality for industrial, commercial and infrastructure power systems. :chatgpt-content-reference{index="1"}
With a rated operational voltage range of 200–480 V AC and a rated current of 1250 A, the OXB1250E3S3QT is suitable for high-capacity low-voltage automatic transfer applications requiring dependable mains and standby power switching. :chatgpt-content-reference{index="2"}
Key Advantages
- ABB TruONE integrated automatic transfer switch combining switch and controller technology.
- 1250 A rated current capacity for demanding low-voltage power applications.
- Four-pole configuration for comprehensive source transfer switching.
- Level 3 LCD controller for advanced ATS monitoring and configuration.
- Delayed transition I-O-II operation for controlled power transfer.
- Modular construction supports simplified installation, servicing and lifecycle management.
Key Features
- ABB TruONE OX automatic transfer switch series.
- 1250 A rated operational current.
- 4-pole switching configuration.
- Level 3 (LCD) controller type.
- Open style ATS design.
- Delayed transition type I-O-II operation.
- Supplies on top, load on bottom terminal arrangement.
- Switched simultaneous fourth pole function.
- Bolt terminal connection type.
- 200–480 V AC main circuit voltage range.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB OXB1250E3S3QT monitor available power sources and automatically transfer electrical loads between normal and alternative supplies when required. The integrated TruONE architecture combines switching and controller functions into one coordinated unit, reducing wiring complexity and supporting dependable system operation. :chatgpt-content-reference{index="3"}
The TruONE platform provides modular components, predictive maintenance capability and advanced connectivity options, helping engineers maintain reliable power transfer systems across industrial, commercial and infrastructure environments. :chatgpt-content-reference{index="4"}
Typical Applications
- Emergency power and standby generator systems.
- Industrial power distribution installations.
- Commercial building electrical systems.
- Data centres and critical infrastructure.
- Healthcare and essential service facilities.
- Automatic mains transfer applications.
Technical Specifications
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| Operation | Automatic | |
|---|---|---|
| Device Type | Automatic transfer switch | |
| Series | TruONE Automatic Transfer Switches | |
| Order code | OXB1250E3S3QT | |
| Product type | Automatic transfer switch | |
| Configuration | Open style ATS | |
| Rated current | 1250 A | |
| Number of poles | 4 poles | |
| Controller type | Level 3 (LCD) | |
| Operation type | Delayed transition I-O-II | |
| Line terminal position | Supplies on top, load on bottom | |
| Fourth pole type | Switched simultaneous function | |
| Terminal type | Bolt | |
| 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 | |
| Protection rating | Front IP20 | |
| Standards | IEC60947-6-1 | |
| Handle type | Direct mounted handle | |
| Dimensions (W × H × D) | approx. 712 × 359 × 212 mm | |
| Weight | approx. 37.11 kg |
Frequently Asked Questions
What is the ABB OXB1250E3S3QT used for?
The ABB OXB1250E3S3QT is an automatic transfer switch used to transfer electrical loads between normal and alternative power sources.
What is the rated current of this TruONE ATS?
The ABB OXB1250E3S3QT has a rated operational current of 1250 A.
How many poles does the OXB1250E3S3QT have?
The OXB1250E3S3QT is a four-pole automatic transfer switch.
What controller type is included?
The ATS includes a Level 3 LCD controller for advanced automatic transfer switch operation, monitoring and configuration.
What voltage range does this ATS support?
The OXB1250E3S3QT supports a main circuit voltage range of 200–480 V AC.
Trusted by Power System Engineers Worldwide
ABB TruONE automatic transfer switches are used by engineers and facility operators to provide reliable automatic power transfer for industrial, commercial and critical infrastructure applications.
