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ABBIsolating switch
Product Model

OT400U04P

Manufacturer

ABB

Category

Isolating switch

Product ID

74253

In Stock
Last updated: 2025/4/18
View Specifications
ABB OT400U04P

Selling Points

  • 1High amperage rating of 400A for robust electrical applications.
  • 2Four poles for versatile connection options in switchboards and motor control centers.
  • 3Designed for panel mounting with UL98 approval for safety and reliability.
  • 4Front-operated non-fusible switch for quick make and break operations.
  • 5Compact dimensions (220 mm H x 275 mm W x 85 mm D) for space-efficient installations.
Product Details
OT400U04P
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Degree of Protection
Front IP00
Environmental Information
1SCC301266D0201
Pollution Degree
3
Product Net Width
275 mm
Product Net Height
220 mm
Product Net Depth / Length
105 mm
Product Net Weight
4 kg 8.8 lb
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 400 A
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 Color
Black
Handle Type
Handle and shaft included
Lock Type
Yes
Mechanical Durability
16000
Mounting Type
Base mounting
Number of Poles
4
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)
acc. to IEC/EN 60664-1 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 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
No
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
Terminal Width
25 mm
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
ETIM 9
EC000216 - Switch disconnector (low voltage)
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Finland)
3660855
Manufacturer ID
1SCA022719R1900

Specifications may be subject to change without notice