Product Model

OS400D04FK

In Stock
Last updated: 2025/4/18
ABB OS400D04FK

Selling Points

  • 1The OS400D04FK switch fuse is the optimal solution for motor protection in heavy industry.
  • 2Self-cleaning and maintenance-free contacts ensure a long, reliable electrical life.
  • 3Easy and cost-efficient installation with modular design for 2-, 3-, and 4-pole installations.
  • 4Adjustable shaft and snap-on auxiliary contacts reduce installation time by up to 50%.
  • 5Interlocking fuse covers prevent opening while the switch is in “ON” position, ensuring safety for personnel.
Product Details
OS400D04FK
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
319 mm
Product Net Height
230 mm
Product Net Depth / Length
176 mm
Product Net Weight
8.42 kg 18.56 lb
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 400 A
Conventional Thermal Current (Ithe)
Fully Enclosed 400 A
Fourth Pole Type
Switched - Fusible Pole
Fuse Size
NH0 NH1 NH2
Fuse System
DIN
Handle Type
Direct mounted handle included
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 30 W
Rated Conditional Short-Circuit Current (Inc)
(690 V) 80 kA
Rated Current (In)
Main Circuit 400 A
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(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)
(220 ... 240 V) 132 kW (400 V) 220 kW (415 V) 230 kW (500 V) 280 kW (690 V) 400 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 14 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
04 (Left Side)
Terminal Type
Lug terminals
Terminal Width
25 mm
Tightening Torque
30 ... 44 N·m
Tightening Torque
30 ... 44 N·m
Object Classification Code
Q
ETIM 8
EC001040 - Fuse switch disconnector
ETIM 9
EC001040 - Fuse switch disconnector
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5291 >> Fuse switch disconnector
eClass
V11.1 : 27371401
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA022783R1490

Specifications may be subject to change without notice