OT400E03C

Name: OT400E03C
Brand: ABB
SKU: OT400E03C

The ABB OT400E03C is a 3-pole manual change-over switch with a 400A rating, suitable for applications up to 690V AC. It provides reliable on-load switching and isolation, ensuring safe operation. Handle and shaft must be ordered separately.

Product ModelOT400E03C

Material Number1SCA022764R1950

Product ID87712

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable On-Load SwitchingThe ABB OT400E03C is designed for on-load switching, allowing you to switch between two power supplies without interrupting the electrical circuit. This feature enhances the performance and reliability of your electrical system.
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2. High Current RatingWith a current rating of 400A, the OT400E03C is suitable for demanding applications requiring high operational currents. Its robust design ensures it can handle the most challenging electrical tasks.
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3. Safe OperationThe switch is designed with safety in mind, featuring a rated insulation voltage of 1000V and a rated operational voltage of 415-690V AC. This ensures that the switch provides reliable isolation and prevents electrical shocks.
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4. Durable ConstructionConstructed with high-quality materials, the OT400E03C is built to last. Its robust design and durable components ensure that it can withstand the rigors of continuous use in various electrical applications.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Degree of Protection

Front IP20

Environmental Information

1SCC303050D0201

Pollution Degree

Product Net Width

221 mm 8.7 in

Product Net Height

185 mm 7.28 in

Product Net Depth / Length

203 mm 7.99 in

5. Easy InstallationThe switch is designed for easy installation, with screw terminals that are easy to access and tighten. This makes it simple to integrate into your existing electrical system, minimizing downtime and ensuring quick setup.

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 400 A

Conventional Thermal Current (Ithe)

Fully Enclosed 400 A

Degree of Protection

Front IP20

Distance Between Phases

Standard

Handle Color

Black

Handle Type

Handle and shaft not included

Mounting Type

Base mounting

Number of Poles

Operating Mode

Front operated

Pollution Degree

Position of Line Terminals

Top In - Bottom Out, Bottom In - Top Out

Power Loss

at Rated Operating Conditions per Pole 10 W

Rated Impulse Withstand Voltage (Uimp)

12 kV

Rated Insulation Voltage (Ui)

1000 V

Rated Operational Current AC-21A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Current AC-31B (Ie)

(380 ... 415 V) 400 A

Rated Operational Current AC-33B (Ie)

(380 ... 415 V) 400 A

Rated Operational Power AC-23A (Pe)

(380 ... 415 V) 220 kW (500 V) 280 kW (690 V) 400 kW

Rated Operational Voltage

Main Circuit 1000 V

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 15 kiloampere rms

Switches Operating Mechanism

Mechanism at the End of the Switch 03 (Left Side)

Terminal Type

Screw Terminals

Terminal Width

25 mm

Tightening Torque

acc. IEC 60947-1 30 ... 44 NÂ·m

Transition Type

Open

Ampere Rating

400 A

Tightening Torque

acc. IEC 60947-1 30 ... 44 NÂ·m

Object Classification Code

ETIM 8

EC000216 - Switch disconnector

ETIM 9

EC000216 - Switch disconnector (low voltage)

eClass

V11.1 : 27371403

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

Manufacturer ID

1SCA022764R1950