OT1250E12P

Name: OT1250E12P
Brand: ABB
SKU: OT1250E12P

The ABB OT1250E12P 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 high-performance applications, ensuring safety and protection in demanding environments.

Product ModelOT1250E12P

Material Number1SCA022871R5790

Product ID85934

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Thermal Current RatingThe OT1250E12P boasts a thermal current rating of 1250 A in both conventional free-air and fully enclosed conditions, making it suitable for high-power applications.
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2. Robust DesignWith a robust design and a black IP65 handle and shaft, this switch-disconnector provides excellent mechanical durability and protection against environmental factors.
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3. Easy OperationFront-operated design ensures easy and accessible operation, reducing the risk of accidents and improving overall efficiency.
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4. Compliance with StandardsThe OT1250E12P complies with IEC 60947-3 standards, ensuring it meets the highest safety and performance criteria for switch-disconnectors.
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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

334.5 mm

Product Net Height

306 mm

Product Net Depth / Length

145.5 mm

5. Versatile ApplicationsSuitable for a wide range of applications, including those requiring high insulation voltages (up to 690 V) and short-circuit making capacities (up to 110 kA), making it a versatile solution for various industries.

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

Standard

Handle Color

Black

Handle Type

Handle and shaft included

Lock Type

Yes

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 Conditional Short-Circuit Current (Inc)

(1250 A fuse, 415 V) 80 kA (1250 A fuse, 500 V) 100 kA

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

Standards

IEC 60947-3

Switches Operating Mechanism

Mechanism Between the Poles 12 (Between the Poles)

Terminal Type

Lug terminals

Terminal Width

50 mm

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)

3661702

Manufacturer ID

1SCA022871R5790