OT400US03

Product ID:74030
Updated: 2026/4/3
ABB OT400US03

Key Features

  • 1Deliver reliable performance with a high 400A operational current rating. 2、Ensure safety with excellent insulation and 12kV impulse withstand voltage. 3、Enhance protection using a superior 65kA short-circuit making capacity. 4、Simplify operation via modular construction and clear position indication. 5、Guarantee global compatibility by meeting IEC 60947-3 and UL 98 standards.
Product Details
OT400US03
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
Front IP00
Environmental Information
1SCC301266D0201
Pollution Degree
3
Product Net Width
258.9 mm
Product Net Height
220 mm
Product Net Depth / Length
105 mm
Product Net Weight
3.6 kg 7.9 lb
Conventional Thermal Current (Ithe)
Fully Enclosed 400 A
Degree of Protection
Front IP00
Handle Type
Handle and shaft not included
Lock Type
No
Mechanical Durability
16000
Mounting Type
Base mounting
Number of Poles
3
Pollution Degree
3
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 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
Standards
IEC 60947-3 / UL 98 / CSA C22.2 NO.4
Terminal Type
Lug terminals
Tightening Torque
acc. IEC 60947-1 42.4 N·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 N·m
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
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
1SCA022870R6610

Specifications may be subject to change without notice