OT400U03C

Product ID:89732
Updated: 2026/4/3
ABB OT400U03C

Key Features

  • 1Handle high-power loads with a 350 hp capacity. 2、Operate reliably using the front-operated switching mechanism. 3、Protect against harsh conditions with IP54/IP65/IP66 enclosures. 4、Mount flexibly using DIN rail or surface options. 5、Ensure compliance with UL 98 and IEC60947-3 standards.
Product Details
OT400U03C
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
Front IP20
Environmental Information
1SCC303050D0201
Pollution Degree
3
Product Net Width
251 mm 9.88 in
Product Net Height
185 mm 7.28 in
Product Net Depth / Length
203 mm 7.99 in
Product Net Weight
5.46 kg 12.04 lb
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
Mechanical Durability
8000 cycle
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
Main Circuit 1000 V
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 15 kiloampere rms
Standards
UL 98 / IEC60947-6-1
Switches Operating Mechanism
Mechanism at the End of the Switch 03 (Left Side)
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 30 ... 44 N·m
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
Tightening Torque
acc. IEC 60947-1 30 ... 44 N·m
Object Classification Code
Q
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
1SCA022771R2990

Specifications may be subject to change without notice