OT1250E03W4

Name: OT1250E03W4
Brand: ABB
SKU: OT1250E03W4

The ABB OT1250E03W4 is a 3-pole, front-operated switch-disconnector with a black IP65 handle and shaft. It includes a terminal bolt kit and is designed for base mounting, offering high mechanical durability and reliability in demanding electrical applications.

Product ModelOT1250E03W4

Material Number1SCA022866R1760

Product ID85584

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High PerformanceThe OT1250E03W4 switch-disconnector is engineered to handle high currents up to 1250 A, ensuring reliable performance in a variety of electrical applications.
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2. Robust DesignWith a robust mechanical design and IP65 protection, this switch-disconnector withstands harsh environments and maintains its functionality even in challenging conditions.
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3. Ease of OperationThe front-operated mechanism makes it easy to operate the switch-disconnector, reducing the risk of accidental activation and enhancing user safety.
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4. Versatile Mounting OptionsDesigned for base mounting, the OT1250E03W4 offers flexibility in installation, allowing it to be integrated seamlessly into various electrical systems.

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 IP00

Environmental Information

1SCC301233D0201

Pollution Degree

Product Net Width

454.5 mm

Product Net Height

306 mm

Product Net Depth / Length

145.5 mm

5. Compliance and CertificationsThe product adheres to stringent standards, including IEC 60947-3, ensuring compliance with global electrical safety regulations and certifications such as CE and ATEX.

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 1250 A

Conventional Thermal Current (Ithe)

Fully Enclosed 1250 A

Degree of Protection

Front IP00

Distance Between Phases

Phase distance 140 mm

Handle Type

Handle and shaft not included

Lock Type

Mechanical Durability

6000

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 29 W

Rated Impulse Withstand Voltage (Uimp)

12 kV

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 1000 V

Rated Operational Current AC-21A (Ie)

(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A

Rated Operational Power AC-23A (Pe)

(400 ... 415 V) 710 kW (500 V) 900 kW (690 V) 1200 kW

Rated Operational Voltage

Main Circuit 1000 V

Rated Short-Circuit Making Capacity (Icm)

(690 V) 110 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 50 kA

Special Functions

Wide phase distance 140

Standards

IEC 60947-3

Switches Operating Mechanism

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

Terminal Type

Lug terminals

Tightening Torque

acc. IEC 60947-1 50 â¦ 75 NÂ·m

Tightening Torque

acc. IEC 60947-1 50 â¦ 75 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)

E-Number (Finland)

3661688

Manufacturer ID

1SCA022866R1760