OXB400E3S4QB ABB TruONE Automatic Transfer Switch 400 A

OXB400E3S4QB ABB TruONE Automatic Transfer Switch 400 A

ABB OXB400E3S4QB TruONE automatic transfer switch, a 400 A four pole ATS with Level 4 Touch controller designed for reliable automatic power transfer in critical electrical systems.

SKU: OXB400E3S4QBAlt SKU: 1SCA152048R1001MPN: OXB400E3S4QB
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List Price £11,775.40 ex VAT
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Why Choose the ABB OXB400E3S4QB TruONE Automatic Transfer Switch?

The ABB OXB400E3S4QB is a high-performance automatic transfer switch (ATS) designed to provide reliable source transfer between power supplies in critical electrical installations. As part of the advanced ABB TruONE ATS series, it integrates the switch mechanism and controller into one compact unit to simplify installation, improve reliability and support modern power management systems.

This TruONE automatic transfer switch features a Level 4 Touch controller with delayed transition I-O-II operation, providing intuitive control and advanced monitoring capabilities for dependable automatic source switching. Its all-in-one design reduces wiring requirements while supporting easier commissioning and maintenance in industrial and commercial power applications.

With a rated current of 400 A, a 4-pole configuration and a 200–480 V AC main circuit voltage range, the ABB OXB400E3S4QB is suitable for applications requiring dependable automatic transfer between normal and standby power sources. Its bottom supply and top load terminal arrangement enables straightforward installation within power distribution systems. :chatgpt-content-reference{index="0"}

Key Advantages

  • ABB TruONE automatic transfer switch technology combining switching and control functions in one unit.
  • 400 A rated current suitable for demanding power transfer applications.
  • Level 4 Touch controller for advanced operation, monitoring and configuration.
  • 4-pole delayed transition I-O-II operation for controlled source transfer. :chatgpt-content-reference{index="1"}
  • Reduced installation complexity through integrated ATS architecture.
  • Reliable power continuity solution for critical electrical systems.

Key Features

  • ABB TruONE ATS series.
  • 400 A automatic transfer switch.
  • 4-pole switched simultaneous neutral configuration. :chatgpt-content-reference{index="2"}
  • 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 for manual operation.
  • Open style ATS construction with front IP20 protection.
  • Bottom supply and top load terminal arrangement.

Reliable Automatic Power Transfer for Critical Systems

Automatic transfer switches such as the ABB TruONE OXB400E3S4QB provide dependable switching between primary and standby power sources to help maintain electrical supply continuity. By integrating the transfer switch and controller into a single unit, TruONE simplifies installation while improving operational reliability.

The Level 4 Touch controller provides enhanced user interaction and configuration options, making the OXB400E3S4QB suitable for modern electrical distribution systems where dependable automatic source transfer and efficient maintenance are required. :chatgpt-content-reference{index="3"}

Typical Applications

  • Emergency and standby power systems.
  • Industrial power distribution installations.
  • Commercial buildings and critical facilities.
  • Data centres and infrastructure systems.
  • Generator changeover applications.
  • Automatic mains failure (AMF) systems.

Technical Specifications

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Operation Automatic
Device Type Automatic transfer switch
Series TruONE Automatic Transfer Switches
Product ID 1SCA152048R1001
Product type Automatic transfer switch
Rated operational current 400 A
Number of poles 4P
Controller type Level 4 (Touch)
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 25 kA rms for 0.3 s
Protection rating Front IP20
Terminal arrangement Supplies on bottom, load on top
Fourth pole type Switched - simultaneous function
Mounting handle type Direct mounted handle
Dimensions (H × W × D) approx. 305 × 455 × 183 mm
Weight approx. 17.75 kg

Frequently Asked Questions

What is the ABB OXB400E3S4QB used for?

The ABB OXB400E3S4QB is an automatic transfer switch used to transfer electrical loads between primary and standby power sources in critical power applications.

What is the rated current of this TruONE ATS?

The ABB OXB400E3S4QB has a rated operational current of 400 A.

How many poles does the ABB OXB400E3S4QB have?

The OXB400E3S4QB is a 4-pole automatic transfer switch with a switched simultaneous fourth pole function.

What type of controller is included?

The ATS includes a Level 4 (Touch) controller for advanced operation and configuration.

What voltage range does the ABB OXB400E3S4QB support?

The main circuit supports a 200–480 V AC voltage range.

Trusted by Power System Engineers Worldwide

ABB TruONE automatic transfer switches are used by electrical engineers and facility operators worldwide to provide reliable automatic power transfer, simplified installation and dependable performance in critical electrical systems.