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ABBIsolating switch
Product Model

OT400U12C

Manufacturer

ABB

Category

Isolating switch

Product ID

90020

In Stock
Last updated: 2025/4/24
View Specifications
ABB OT400U12C

Selling Points

  • 1High amperage rating of 400 A for efficient power distribution.
  • 2Robust design with a short circuit current rating of 65 kA for reliable operation.
  • 3Front-operated non-fusible switch with lug terminals for easy installation.
  • 4Compliance with UL/CSA standards (UL 98, CSA C22.2 NO.4) for safety and reliability.
  • 5Base mounting type with dimensions of 220 mm H x 221 mm W x 85 mm D for versatile installation options.
Product Details
OT400U12C
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Degree of Protection
Front IP20
Environmental Information
1SCC303050D0201
Pollution Degree
3
Product Net Width
251 mm
Product Net Height
185 mm
Product Net Depth / Length
203 mm
Product Net Weight
5.9 kg
Conventional Free-air Thermal Current (Ith)
Θ = 40 °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
3P
Operating Mode
Front operated
Pollution Degree
3
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
Q
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

Specifications may be subject to change without notice