OXB1250E3X2QB ABB TruONE Automatic Transfer Switch 1250 A 3P

OXB1250E3X2QB ABB TruONE Automatic Transfer Switch 1250 A 3P

ABB OXB1250E3X2QB TruONE automatic transfer switch, a 1250 A 3 pole open style ATS with Level 2 DIP controller designed for reliable automatic power transfer in low voltage distribution systems.

SKU: OXB1250E3X2QBAlt SKU: 1SCA153616R1001MPN: OXB1250E3X2QB
Price
List Price £8,687.33 ex VAT
Your Price (ex VAT) Save 35%
£5,646.76 35% OFF
You save £3,040.57 per unit
Manufacturer Lead Time Estimated Delivery 7 weeks
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £5,646.76
Trade pricing is personalised to your account

Manufacturer Lead Time

£5,646.76

Why Choose the ABB OXB1250E3X2QB TruONE Automatic Transfer Switch?

The ABB OXB1250E3X2QB is a high-performance automatic transfer switch (ATS) designed for dependable 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 a single purpose-built unit to improve reliability, simplify installation and support continuous power availability.

This TruONE ATS features an integrated Level 2 (DIP) controller with a self-contained design that reduces wiring requirements and connection points. Its modular construction and predictive maintenance capabilities help reduce downtime while providing a reliable solution for industrial and commercial power transfer applications.

With a 1250 A rated current, 3-pole open style configuration, 200–480 V AC operating voltage range and delayed transition I-O-II operation, the OXB1250E3X2QB is suitable for demanding automatic transfer applications requiring reliable switching between available power sources.

Key Advantages

  • ABB TruONE automatic transfer switch technology with integrated switch and controller design.
  • 1250 A rated current for high-capacity electrical distribution systems.
  • 3-pole open style ATS configuration for flexible installation.
  • Level 2 (DIP) controller for straightforward ATS configuration and operation.
  • Delayed transition I-O-II switching for controlled source transfer sequences.
  • Integrated construction reduces installation time and potential wiring failures.
  • Advanced connectivity and modular components support future system expansion.

Key Features

  • ABB TruONE ATS series.
  • Automatic transfer switch with integrated controller.
  • 1250 A conventional free-air thermal current.
  • 3-pole switched configuration.
  • Level 2 (DIP) controller.
  • Open style ATS design.
  • Supplies on bottom, load on top terminal arrangement.
  • Delayed transition type I-O-II operation.
  • Direct mounted handle for manual operation.
  • Bolt terminal connection system.

Reliable Automatic Power Transfer for Critical Systems

Automatic transfer switches such as the ABB TruONE OXB1250E3X2QB help maintain continuity of electrical supply by automatically transferring loads between available sources when a power source change is required. The integrated switching and controller design improves operational reliability while reducing installation complexity.

The TruONE platform is engineered for modern electrical distribution environments requiring dependable transfer performance, simplified maintenance and flexible configuration. Its Level 2 DIP controller provides efficient control for a wide range of standby and critical power applications.

Typical Applications

  • Industrial power distribution systems.
  • Generator backup and standby power systems.
  • Commercial electrical installations.
  • Data centres and infrastructure power systems.
  • Healthcare and essential service facilities.
  • Low-voltage switchboards and distribution assemblies.

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 1SCA153616R1001
Rated current 1250 A
Number of poles 3P
Controller type Level 2 (DIP)
ATS style Open style
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 × 597 × 212 mm
Weight approx. 31.14 kg

Frequently Asked Questions

What is the ABB OXB1250E3X2QB used for?

The ABB OXB1250E3X2QB 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 ABB TruONE ATS?

The OXB1250E3X2QB has a rated current of 1250 A.

What controller is included with the OXB1250E3X2QB?

The ATS includes an integrated Level 2 (DIP) controller for reliable automatic transfer control.

How many poles does the ABB OXB1250E3X2QB have?

The OXB1250E3X2QB features a 3-pole open style configuration.

What voltage range does the ABB TruONE ATS support?

The OXB1250E3X2QB 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.