OT400U12C

Name: OT400U12C
Brand: ABB
SKU: OT400U12C

ABB OT400U12: A reliable 3-pole front operated non-fusible disconnect switch for power distribution and motor control applications. High performance and durable, with 400A amperage rating and 65kA short circuit current rating.

Product ModelOT400U12C

Material Number1SCA106497R1001

Product ID90448

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliability and Durability\"Built to last, the ABB OT400U12 ensures reliable operation in extreme conditions, making it a trusted choice for power distribution and motor control applications.\"
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2. High Performance\"With a 400A amperage rating and 65kA short circuit current rating, the OT400U12 delivers high performance and efficiency in your electrical systems.\"
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3. Easy Installation\"Designed for easy installation and maintenance, the OT400U12 features a base mounting system and lug terminals, reducing setup time and costs.\"
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4. Versatile Applications\"Suitable for a variety of applications including power distribution and motor control centers, the OT400U12 is a versatile solution for your electrical needs.\"

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 IP20

Environmental Information

1SCC303050D0201

Pollution Degree

Product Net Width

251 mm

Product Net Height

185 mm

Product Net Depth / Length

203 mm

5. Compliance and Safety\"Compliant with IEC 60947-3 and UL 98 standards, the OT400U12 ensures safety and reliability in your electrical systems, meeting the highest industry standards.\"

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 400 A

Degree of Protection

Front IP20

Distance Between Phases

Standard

Handle Color

Black

Handle Type

Handle and shaft not included

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)

1000 V

Rated Operational Current AC-21A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

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 Current AC-31B (Ie)

(380 ... 415 V) 400 A

Rated Operational Current AC-33B (Ie)

(380 ... 415 V) 400 A

Rated Operational Voltage

1000 V

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 15 kiloampere rms

Switches Operating Mechanism

Mechanism Between the Poles 12 (Between the Poles)

Transition Type

Open

Ampere Rating

400 A

Horsepower Rating UL/CSA

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

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)

Manufacturer ID

1SCA106497R1001