OT400U12

Name: OT400U12
Brand: ABB
SKU: OT400U12

Short Description: The ABB OT400U12 is a 3-pole, front-operated non-fusible disconnect switch with a 400 A rating, suitable for 600/1000 VAC applications. It features base mounting and lug terminals, ensuring reliable and efficient operation.

Product ModelOT400U12

Material Number1SCA022754R6450

Product ID86782

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. High Performance and Reliability The ABB OT400U12 is engineered to provide high performance and reliability, making it an ideal choice for demanding electrical applications. Its robust construction ensures consistent operation under various conditions.
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Feature2. Compliance with International Standards The OT400U12 complies with IEC/EN 60664-1 standards, ensuring that it meets the highest safety and performance requirements. This compliance provides peace of mind for users in diverse electrical environments.
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Feature3. Versatile Voltage Rating With a voltage rating of 600/1000 VAC, the OT400U12 can handle a wide range of electrical systems, from low to high voltage applications. This versatility makes it a versatile solution for various industries.
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Feature4. Efficient Operation The front-operated mechanism of the OT400U12 allows for easy and efficient operation. The switch is designed to minimize downtime, ensuring that your electrical systems run smoothly and without interruptions.

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

1SCC301266D0201

Pollution Degree

Product Net Width

226 mm

Product Net Height

220 mm

Product Net Depth / Length

105 mm

Feature5. Durable Construction The OT400U12 features a durable design with a base mounting system and lug terminals. This construction ensures that the switch can withstand the rigors of daily use, providing long-lasting performance and reliability.

Conventional Thermal Current (Ithe)

Fully Enclosed 400 A

Degree of Protection

Front IP00

Distance Between Phases

Standard

Handle Type

Handle and shaft not included

Lock Type

Mechanical Durability

16000

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)

acc. to IEC/EN 60664-1 1000 V

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 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-Circuit Making Capacity (Icm)

(690 V) 65 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 15 kA

Special Functions

Standards

IEC 60947-3 / UL 98 / CSA C22.2 NO.4

Switches Operating Mechanism

Mechanism Between the Poles 12 (Between the Poles)

Terminal Type

Lug terminals

Tightening Torque

acc. IEC 60947-1 42.4 NÂ·m

Maximum Operating Voltage UL/CSA

600 V

Ampere Rating

400 A

Horsepower Rating UL/CSA

(acc. to UL 200 V) 100 Hp (acc. to UL 208 V) 100 Hp (acc. to UL 240 V) 125 Hp (acc. to UL 480 V) 250 Hp (acc. to UL 600 V) 350 Hp

Tightening Torque

acc. IEC 60947-1 42.4 NÂ·m

Tightening Torque UL/CSA

375 inÂ·lb

Object Classification Code

ETIM 8

EC000216 - Switch disconnector

ETIM 9

EC000216 - Switch disconnector (low voltage)

UNSPSC

39122233

IDEA Granular Category Code (IGCC)

5290 >> Disconnect switch

eClass

V11.1 : 27371403

WEEE Category

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

Manufacturer ID

1SCA022754R6450