abb Automatic transfer switch 63 amps with 4 Poles

abb Automatic transfer switch 63 amps with 4 Poles

ABB OTM63F4CB21D400C motor-operated automatic transfer switch, a 63 A four-pole 380–415 V AC device designed for reliable automatic power source transfer.

SKU: OTM63F4CB21D400CAlt SKU: OTM63F4CB21D400CMPN: 1SCA150586R1001
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Why Choose the ABB OTM63F4CB21D400C Automatic Transfer Switch?

The ABB OTM63F4CB21D400C is a reliable motor-operated automatic transfer switch (ATS) designed for automatic power source transfer in critical electrical installations. As part of the advanced ABB OTM_C21D compact ATS series, it provides dependable switching between two power sources for applications requiring improved power availability and operational continuity.

This automatic transfer switch features an open transition 1-0-2 switching configuration with adjustable operating parameters for network/network and network/generator applications. Its compact design, integrated motor operation and robust construction make it suitable for modern power distribution systems, control panels and backup power installations.

With a rated operational current of 63 A and a four-pole 380–415 V AC configuration, the OTM63F4CB21D400C is designed for reliable switching of electrical loads in industrial, commercial and infrastructure environments. The bottom supply configuration allows flexible panel integration where required.

Key Advantages

  • Compact automatic transfer switch designed for reliable power source transfer.
  • 63 A rated operational current for low-voltage distribution applications.
  • Four-pole switching configuration with simultaneously switched fourth pole.
  • Open transition 1-0-2 operation for safe source changeover.
  • Adjustable operating parameters for flexible installation requirements.
  • Motor-operated design enables automatic switching between power supplies.

Key Features

  • ABB OTM_C21D compact ATS series.
  • 63 A rated operational current.
  • 380–415 V AC rated operational voltage.
  • Four-pole (4P) automatic transfer switch.
  • Open transition I-0-II switching function.
  • Motor-operated automatic source transfer.
  • Bottom supply and top load terminal arrangement.
  • Front protection rating of IP20.

Reliable Automatic Power Transfer for Critical Systems

Automatic transfer switches such as the ABB OTM63F4CB21D400C provide controlled switching between primary and secondary power sources. This helps maintain electrical supply continuity during mains failures, generator operation or planned power source changes.

The ABB OTM_C series is designed for industrial and commercial power distribution applications where dependable automatic switching, compact installation and reliable operation are essential. Adjustable transfer parameters allow the unit to be configured for different power management requirements.

Typical Applications

  • Industrial backup power systems.
  • Generator and mains changeover installations.
  • Commercial building power distribution.
  • Data centres and critical infrastructure systems.
  • Control panels and electrical switchboards.
  • Low-voltage automatic power management systems.

Technical Specifications

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Mounting Type Panel / door
Operation Automatic
Device Type Automatic transfer switch
Poles 4-pole
HS Code 85365080
Country of Manufacture China
Manufacturer ABB
Series OTM_C21D Compact ATS
Model OTM63F4CB21D400C
Product type Motor-operated automatic transfer switch
Rated operational current 63 A
Rated operational voltage 380–415 V AC
Number of poles 4 poles
Switching type Open transition 1-0-2
Controller type 21D
Rated insulation voltage 800 V
Rated impulse withstand voltage 8 kV
Short-time withstand current 2.5 kA rms for 1 s
Protection rating IP20 front
Mounting type Panel / base mounting
Dimensions (H × W × D) approx. 103 × 328 × 131 mm
Weight approx. 2.11 kg

Frequently Asked Questions

What is the ABB OTM63F4CB21D400C used for?

The ABB OTM63F4CB21D400C is a motor-operated automatic transfer switch used to transfer electrical loads between two power sources in critical power applications.

What is the rated current of this transfer switch?

The transfer switch has a rated operational current of 63 A.

What voltage does the OTM63F4CB21D400C operate at?

The unit is designed for 380–415 V AC low-voltage power distribution systems.

How many poles does this automatic transfer switch have?

The ABB OTM63F4CB21D400C features a four-pole configuration with a simultaneously switched fourth pole.

Where is this automatic transfer switch installed?

The unit is typically installed inside electrical panels, switchboards and power distribution systems requiring automatic source transfer.

Trusted by Electrical Engineers Worldwide

ABB OTM automatic transfer switches are widely used in industrial and commercial power systems to provide dependable automatic changeover, improved power continuity and reliable electrical distribution control.