abb Automatic transfer switch 800 amps with 3 Poles

abb Automatic transfer switch 800 amps with 3 Poles

ABB OTM800E3CB8D230C automatic transfer switch, an 800 A three-pole motor-operated device designed for reliable automatic power source transfer in low-voltage systems.

SKU: OTM800E3CB8D230CAlt SKU: 1SCA108458R1001MPN: OTM800E3CB8D230C
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Why Choose the ABB OTM800E3CB8D230C Automatic Transfer Switch?

The ABB OTM800E3CB8D230C is a heavy-duty motor-operated automatic transfer switch (ATS) designed for reliable transfer between primary and standby power sources in industrial and commercial electrical systems. As part of the advanced ABB OTM automatic transfer switch series, it provides dependable open transition switching for applications where continuous power availability is essential.

This automatic change-over switch combines ABB’s proven transfer switching technology with a robust motorised operating mechanism, enabling secure automatic switching between mains and generator supplies during power interruptions or planned source changes. Its durable construction and high current capability make it suitable for demanding low-voltage power distribution environments.

With a rated operational current of 800 A, a three-pole configuration and a 220–240 V AC motor operating supply, the OTM800E3CB8D230C is ideal for industrial switchboards, generator transfer systems, critical infrastructure and commercial power distribution installations requiring reliable automatic source transfer.

Key Advantages

  • Heavy-duty automatic transfer switch designed for critical power systems.
  • 800 A operational current rating suitable for large electrical installations.
  • Three-pole open transition switching for safe automatic source transfer.
  • Integrated motor-operated mechanism for automatic change-over operation.
  • Reliable switching between mains and standby generator supplies.
  • Robust ABB construction for demanding industrial environments.

Key Features

  • ABB OTM automatic transfer switch series.
  • 800 A rated operational current.
  • Three-pole (3P) automatic transfer configuration.
  • 220–240 V AC motor operating voltage.
  • Open transition I-0-II switching operation.
  • Integrated automatic transfer functionality.
  • Manual operating handle for maintenance and local operation.
  • Suitable for industrial switchboards and backup power systems.

Reliable Automatic Power Transfer for Critical Systems

Automatic transfer switches such as the ABB OTM800E3CB8D230C are designed to maintain electrical supply continuity by automatically transferring loads between utility mains and standby power sources during outages or maintenance operations.

The ABB OTM range is trusted by electrical engineers, industrial operators and panel builders for reliable switching performance, integrated safety features and durable motor-operated transfer mechanisms. Its open transition operation provides controlled separation between asynchronous power sources during transfer cycles.

Typical Applications

  • Industrial generator transfer systems.
  • Main switchboards and power distribution systems.
  • Commercial building backup power installations.
  • Critical infrastructure and utility facilities.
  • Manufacturing and processing plants.
  • Data centres and telecommunications installations.

Technical Specifications

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Mounting Type Base mounting
Device Type Automatic transfer switch
Operation Automatic
Poles 3-pole
Manufacturer ABB
Series OTM Automatic Transfer Switches
Model OTM800E3CB8D230C
Product type Automatic change-over switch
Rated operational current 800 A
Number of poles 3 poles
Rated operational voltage up to 1000 V AC
Motor operating voltage 220–240 V AC
Transition type Open transition
Rated insulation voltage 1000 V
Rated impulse withstand voltage 12 kV
Rated short-time withstand current 20 kA rms for 1 second
Protection rating IP20 front
Mounting type Base mounting
Dimensions (W × H × D) approx. 411 × 357 × 299 mm
Weight approx. 34 kg

Frequently Asked Questions

What is the ABB OTM800E3CB8D230C used for?

This automatic change-over switch transfers electrical loads between mains and standby power supplies such as generator systems.

What current rating does this switch support?

The switch is rated for 800 A operation in industrial and commercial power distribution systems.

What type of switching transition does it use?

The OTM800E3CB8D230C uses an open transition I-0-II switching method for automatic source transfer.

Does the switch support manual operation?

Yes, the unit includes a manual operating handle for maintenance, testing and local control.

Where is this switch typically installed?

The switch is commonly installed in industrial switchboards, generator transfer panels and critical backup power systems.

Trusted by Electrical Engineers Worldwide

ABB OTM automatic transfer switches are trusted by engineers worldwide to provide reliable power source transfer, efficient electrical distribution control and dependable operation in critical applications.