OXB500E3S2QT ABB TruONE Automatic Transfer Switch 500 A

OXB500E3S2QT ABB TruONE Automatic Transfer Switch 500 A

ABB OXB500E3S2QT TruONE automatic transfer switch, a 500 A four pole ATS with Level 2 DIP controller designed for reliable automatic power transfer in critical electrical systems.

SKU: OXB500E3S2QTAlt SKU: 1SCA151026R1001MPN: OXB500E3S2QT
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Why Choose the ABB OXB500E3S2QT TruONE Automatic Transfer Switch?

The ABB OXB500E3S2QT is a dependable automatic transfer switch (ATS) designed to provide reliable automatic switching between power sources in critical electrical distribution systems. As part of the advanced ABB TruONE ATS series, it integrates the switching mechanism and controller into one compact unit to simplify installation, reduce wiring requirements and improve operational reliability.

This TruONE automatic transfer switch features a Level 2 DIP controller with delayed transition I-O-II operation, providing straightforward configuration and dependable automatic source transfer control. The integrated design helps minimise connection points while supporting efficient commissioning and maintenance in industrial and commercial power applications.

With a rated current of 500 A, a 4-pole configuration and a 200–480 V AC main circuit voltage range, the ABB OXB500E3S2QT is suitable for reliable transfer between normal and standby power sources. This model features top supply and bottom load terminal positioning for flexible installation within electrical distribution systems. :chatgpt-content-reference{index="0"}

Key Advantages

  • ABB TruONE automatic transfer switch technology combining switching and control functions in one integrated unit.
  • 500 A rated current for demanding automatic power transfer applications.
  • Level 2 DIP controller providing reliable ATS configuration and operation.
  • Delayed transition I-O-II operation for controlled source transfer. :chatgpt-content-reference{index="1"}
  • Integrated construction reduces wiring complexity and installation time.
  • Reliable solution for emergency power and critical electrical systems.

Key Features

  • ABB TruONE ATS series.
  • 500 A automatic transfer switch.
  • 4-pole switched simultaneous fourth pole function.
  • Level 2 (DIP) controller.
  • Delayed transition type I-O-II operation.
  • 200–480 V AC main circuit voltage range.
  • 50–60 Hz rated frequency.
  • Open style ATS construction.
  • Direct mounted handle for manual operation.
  • Supplies on top and load on bottom terminal arrangement.
  • Front IP20 protection rating.

Reliable Automatic Power Transfer for Critical Systems

Automatic transfer switches such as the ABB TruONE OXB500E3S2QT provide dependable switching between primary and standby power sources to help maintain electrical supply continuity. The integrated switch and controller design reduces installation effort while improving reliability and serviceability.

The TruONE platform is engineered for modern electrical distribution systems with modular components, predictive maintenance capabilities and future-ready connectivity options. The OXB500E3S2QT provides a practical solution where reliable automatic source transfer and efficient system operation are required. :chatgpt-content-reference{index="2"}

Typical Applications

  • Emergency and standby power systems.
  • Industrial electrical distribution installations.
  • Commercial buildings and infrastructure.
  • Generator automatic transfer applications.
  • Critical power systems.
  • Automatic mains failure (AMF) installations.

Technical Specifications

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Operation Automatic
Device Type Automatic transfer switch
Series TruONE Automatic Transfer Switches
Product ID 1SCA151026R1001
Product type Automatic transfer switch
Rated operational current 500 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 42 kA rms for 0.1 s
Protection rating Front IP20
Terminal arrangement Supplies on top, load on bottom
Fourth pole type Switched - simultaneous function
Handle type Direct mounted handle
Dimensions (H × W × D) approx. 313 × 512 × 212 mm
Weight approx. 21.43 kg

Frequently Asked Questions

What is the ABB OXB500E3S2QT used for?

The ABB OXB500E3S2QT is an automatic transfer switch designed to transfer electrical loads between normal and standby power sources in critical power applications.

What is the rated current of this TruONE ATS?

The ABB OXB500E3S2QT has a rated operational current of 500 A.

How many poles does the ABB OXB500E3S2QT have?

The OXB500E3S2QT is a 4-pole automatic transfer switch with a switched simultaneous fourth pole function.

What controller type is included?

The ABB OXB500E3S2QT includes a Level 2 DIP controller for reliable ATS operation and configuration.

What voltage range does the ABB OXB500E3S2QT support?

The ATS supports a 200–480 V AC main circuit 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.