OT1250E03W4P ABB 1250A 3 Pole Switch-Disconnector

OT1250E03W4P ABB 1250A 3 Pole Switch-Disconnector

ABB OT1250E03W4P 1250 A three pole switch-disconnector with 140 mm wide phase distance and IP65 handle designed for reliable industrial power isolation.

SKU: OT1250E03W4PAlt SKU: 1SCA022866R1920MPN: OT1250E03W4P
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Why Choose the ABB OT1250E03W4P Switch-Disconnector?

The ABB OT1250E03W4P is a heavy-duty 1250 A three-pole switch-disconnector designed for reliable electrical isolation and manual switching in demanding industrial power distribution systems. As part of the proven ABB OT switch-disconnector series, it provides dependable high-current control for industrial installations requiring enhanced phase spacing and robust switching performance.

This front-operated, base-mounted switch-disconnector features a wide 140 mm phase distance, black IP65 handle and shaft, and included terminal bolt kit. The increased phase spacing makes it suitable for applications where additional clearance is required in high-current electrical assemblies. :chatgpt-content-reference{index="0"}

With a rated operational current of 1250 A, a three-pole configuration and a rated insulation voltage of 1000 V, the OT1250E03W4P is designed for heavy-duty switching applications including industrial distribution systems, machinery power supplies and electrical switchboards. :chatgpt-content-reference{index="1"}

Key Advantages

  • High-performance 1250 A switch-disconnector for industrial power systems.
  • Three-pole configuration for reliable three-phase circuit isolation.
  • Wide 140 mm phase distance for increased electrical clearance.
  • Complete operating solution with black IP65 handle and shaft included.
  • Base-mounted design for flexible switchboard installation.
  • High short-circuit withstand capability for demanding applications.

Key Features

  • ABB OT switch-disconnector series.
  • 1250 A rated operational current.
  • 3-pole switch-disconnector design.
  • Wide phase distance of 140 mm.
  • 1000 V rated operational voltage.
  • Front-operated manual switching mechanism.
  • Base mounting installation format.
  • Black IP65 handle and shaft included.
  • Lug terminal connection design.
  • Terminal bolt kit included.
  • IEC 60947-3 compliant construction.

Reliable High-Current Power Isolation

Switch-disconnectors such as the ABB OT1250E03W4P provide a dependable method of manually isolating electrical equipment and switching high-current circuits. They are widely used in industrial switchboards, distribution assemblies and machinery power systems where safe maintenance isolation is essential.

The ABB OT series combines high electrical performance with installation flexibility. The wide phase distance design of this model provides additional clearance for demanding high-current applications while maintaining reliable manual switching operation. :chatgpt-content-reference{index="2"}

Typical Applications

  • Industrial power distribution switchboards.
  • Electrical switchgear assemblies.
  • Heavy machinery isolation systems.
  • Manufacturing and process equipment.
  • Power infrastructure installations.
  • Industrial maintenance isolation applications.

Technical Specifications

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Poles 3-pole
Device Type Switch Disconnector
Current 1250 A
Power 710 kW
Product Series ABB OT
Series OT Switch Disconnectors
Product type Switch-disconnector
ABB order code 1SCA022866R1920
Rated operational current 1250 A
Number of poles 3 poles
Rated operational voltage 1000 V AC
Rated insulation voltage 1000 V
Rated impulse withstand voltage 12 kV
AC-21A rated current 1250 A
AC-22A rated current 1250 A
AC-23A rated current 1250 A
AC-23A rated power 710 kW at 400–415 V, 900 kW at 500 V, 1200 kW at 690 V
Conventional free-air thermal current 1250 A
Rated short-time withstand current 50 kA for 1 s
Rated short-circuit making capacity 110 kA at 690 V
Protection rating Front IP00
Mounting type Base mounting
Operating mode Front operated
Terminal type Lug terminals
Terminal width 50 mm
Phase distance 140 mm
Handle Black IP65 handle and shaft included
Mechanical durability 6000 operations
Standards IEC 60947-3
Dimensions (W × H × D) approx. 454.5 × 306 × 145.5 mm
Weight approx. 17.8 kg

Frequently Asked Questions

What is the ABB OT1250E03W4P used for?

The ABB OT1250E03W4P is used for manual isolation and switching of high-current electrical circuits in industrial power systems.

What current rating does this switch-disconnector have?

The OT1250E03W4P has a rated operational current of 1250 A.

How many poles does the ABB OT1250E03W4P have?

The OT1250E03W4P is a three-pole switch-disconnector.

What is the purpose of the wide phase distance design?

The wide 140 mm phase distance provides increased electrical clearance for high-current industrial applications.

Is the handle included with the OT1250E03W4P?

Yes, the OT1250E03W4P is supplied with a black IP65 handle and shaft.

Trusted by Industrial Electrical Engineers Worldwide

ABB OT switch-disconnectors are widely used in industrial power systems to provide reliable isolation, safe switching and dependable operation in demanding electrical environments.