OT1250E12

Name: OT1250E12
Brand: ABB
SKU: OT1250E12

The ABB OT1250E12 is a 3-pole, front-operated switch disconnector designed for base mounting. It includes lug terminals and a terminal bolt kit, with a mechanical durability of 6000 cycles. Suitable for applications up to 12 kV and 1250 A, this device meets IEC 60947-3 standards.

Product ModelOT1250E12

Material Number1SCA101552R1001

Product ID83445

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. 3-Pole DesignThe OT1250E12 features a 3-pole design, making it versatile for various electrical applications.
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2. Front OperatedFront-operated for easy and convenient use, reducing the need for complex handling mechanisms.
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3. Base MountingDesigned for base mounting, providing a stable and secure installation method.
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4. High Mechanical DurabilityWith a mechanical durability of 6000 cycles, this switch disconnector ensures reliable performance over time.
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5. Compliance with IEC 60947-3

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

Meets the stringent standards of IEC 60947-3, ensuring safety and reliability in electrical systems.

6. Suitable for High Voltage ApplicationsCapable of handling voltages up to 12 kV and currents up to 1250 A, making it suitable for high-voltage applications.

7. Inclusive Terminal Bolt KitComes with a terminal bolt kit, simplifying the installation process and ensuring secure connections.

8. Lug Terminals IncludedEquipped with lug terminals, providing a robust and reliable connection method.

9. Compact SizeMeasures 334.5 x 306 x 145.5 mm, making it compact and easy to integrate into various electrical systems.

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 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

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

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

E-Number (Finland)

3661700

Manufacturer ID

1SCA101552R1001