OT400U04

Name: OT400U04
Brand: ABB
SKU: OT400U04

The ABB OT400U04 is a front-operated non-fusible disconnect switch with a 400 A amperage rating, 100-350 hp power ratings, and 65 kA short circuit current. It is designed for reliability and efficiency in industrial applications.

Product ModelOT400U04

Material Number1SCA022748R1060

Product ID84341

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Performance and Compact DesignThe OT400U04 features a powerful new construction with a quick-make and quick-break operation, adding value to and enhancing the performance of the disconnect switches. Its compact design makes it ideal for space-saving installations.
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2. Reliability in Extreme ConditionsThe switch is reliable in extreme conditions, ensuring continuous operation even in harsh environments. Its robust design and high-quality materials ensure long-lasting performance.
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3. Easy Installation and MaintenanceThe OT400U04 is designed for easy and cost-efficient installation, maintenance, and use. Its flexible installation orientation options (horizontal, vertical, or ceiling mounting) make it versatile for various applications.
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4. Advanced Safety FeaturesEquipped with comprehensive inbuilt safety features, the OT400U04 ensures safe operation. All motorized switches can also be operated manually in emergency situations, providing an added layer of security.

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

275 mm

Product Net Height

220 mm

Product Net Depth / Length

105 mm

5. Versatile Power RatingsThe switch offers full horsepower ratings for all voltages, up to 600 V. It supports 100 hp at 200/208 VAC, 125 hp at 240 VAC, 250 hp at 480 VAC, and 350 hp at 600 VAC, making it suitable for a wide range of industrial applications.

Conventional Thermal Current (Ithe)

Fully Enclosed 400 A

Degree of Protection

Front IP00

Distance Between Phases

Standard

Fourth Pole Position

Right Side

Fourth Pole Type

Switched - Simultaneous Function

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 at the End of the Switch 04 (Left Side)

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

1SCA022748R1060