"ABB OT400U11 Disconnect Switch: 400A, 100-350 HP, 4 poles, reliable, efficient, and easy to install. Ideal for various electrical applications."
Product ModelOT400U11
Material Number1SCA128952R1001
Product ID76424
Stock on Request
Last updated: 8/29/2026
Key Features
1
Feature1. Reliability in Extreme Conditions \"The ABB OT400U11 Disconnect Switch is engineered to perform reliably in extreme conditions, ensuring your electrical system operates smoothly even in harsh environments.\"\",\"2. Flexible Installation Options \"With its flexible installation orientation, the OT400U11 can be easily mounted, making it a space-saving solution for your electrical needs.\"\",\"3. High Power Handling \"Capable of handling 100-350 HP, the OT400U11 is designed to manage high power requirements, making it suitable for a variety of industrial applications.\"\",\"4. Quick Make, Quick Brake Mechanism \"The quick make, quick brake mechanism of the OT400U11 ensures fast and efficient switching operations, reducing downtime and improving overall system performance.\"\",\"5. High Short Circuit Current Rating \"With a short circuit current rating of 65 kA, the OT400U11 provides robust protection against electrical surges, ensuring the safety and reliability of your electrical system.\"
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
3
Product Net Width
172 mm
Product Net Height
220 mm
Product Net Depth / Length
105 mm
Product Net Weight
2.3 kg 5.1 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
Number of Poles
2
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 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
Tightening Torque
acc. IEC 60947-1 42.4 N·m
Object Classification Code
Q
ETIM 8
EC000229 - Handle for power circuit breaker
ETIM 9
EC000229 - Handle for power circuit breaker
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA128952R1001
ABB OT400U11 Disconnect Switch - Reliable and Efficient | INDSLT