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ABBFuse protector
Product Model

OS400B02P

Manufacturer

ABB

Category

Fuse protector

Product ID

74429

In Stock
Last updated: 2025/4/17
View Specifications
ABB OS400B02P

Selling Points

  • 1High-Performance Protection: Offers reliable protection in heavy industrial applications with a rated insulation voltage of 1000 volts.
  • 2British Standard Compliance: Meets British Standard B1-B4 and IEC 60947-3 for global compatibility.
  • 3Front Operated Design: Easy to operate with a front-operated mechanism, ideal for quick switching and maintenance.
  • 4Modular Design: Modular design allows for easy installation and maintenance, reducing installation time by up to 50%.
  • 5Safety Features: Includes interlocking fuse covers to prevent opening while the switch is in the "ON" position, ensuring safety for personnel.
Product Details
OS400B02P
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
230 mm
Product Net Height
230 mm
Product Net Depth / Length
176 mm
Product Net Weight
4.77 kg 10.52 lb
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 400 A
Conventional Thermal Current (Ithe)
Fully Enclosed 400 A
Fuse Size
B1-B4
Fuse System
British Standard
Handle Type
Pistol handle and shaft included
Mounting Type
Base mounting
Number of Poles
2
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
02 (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
1SCA022813R7220

Specifications may be subject to change without notice