OT1250E12W8P

Name: OT1250E12W8P
Brand: ABB
SKU: OT1250E12W8P

The ABB OT1250E12 switch disconnector is a 3-pole, front-operated device designed for base mounting. It operates at 12 KV and features lug terminals, ensuring reliable performance in industrial automation applications.

Product ModelOT1250E12W8P

Material Number1SCA116431R1001

Product ID82815

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable PerformanceThe ABB OT1250E12 switch disconnector is engineered to provide consistent and reliable operation, making it a trusted choice for industrial automation needs.
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2. Front OperatedDesigned for easy operation, the front-operated handle ensures that switching and disconnecting processes are straightforward and efficient.
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3. IEC 60947-3 ComplianceThis switch disconnector meets the stringent standards of IEC 60947-3, ensuring it adheres to global safety and performance benchmarks.
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4. High Current CapacityWith an amperage rating of 1250 A, the OT1250E12 is capable of handling high current demands, making it suitable for demanding industrial applications.
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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

544.5 mm

Product Net Height

306 mm

Product Net Depth / Length

145.5 mm

5. Base Mounting FlexibilityThe base mounting design allows for versatile installation options, providing flexibility in system integration and layout planning.

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 185 mm

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 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 185

Standards

IEC 60947-3

Switches Operating Mechanism

Mechanism Between the Poles 12 (Between the Poles)

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

4. Large Equipment (Any External Dimension More Than 50 cm)

Manufacturer ID

1SCA116431R1001