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ABBFuse protector
Product Model

OS400J12P

Manufacturer

ABB

Category

Fuse protector

Product ID

74260

In Stock
Last updated: 2025/4/18
View Specifications
ABB OS400J12P

Selling Points

  • 1400 A for robust electrical protection.
  • 2DIN Rail/Surface Mount for flexible installation.
  • 3Ensures reliable and safe electrical disconnection.
  • 4Allows for various installation depths to suit different settings.
  • 5Provides secure operation with padlockable handle in the OFF-position.
Product Details
OS400J12P
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
254 mm
Product Net Height
230 mm
Product Net Depth / Length
176 mm
Product Net Weight
7.3 kg
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 400 A
Conventional Thermal Current (Ithe)
Fully Enclosed 400 A
Fuse Size
400 A
Fuse System
Class J
Handle Type
Pistol handle and shaft included
Mounting Type
Base mounting
Number of Poles
3
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 600 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 14 kiloampere rms
Standards
UL98 IEC 60947-3
Switches Operating Mechanism
12 (Between the Poles)
Terminal Type
Lug terminals
Terminal Width
25 mm
Tightening Torque
30 ... 44 N·m
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
30 ... 44 N·m
Tightening Torque UL/CSA
Wire-Clamp 375 in·lb Cable Lug 240 in·lb
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
1SCA022753R7380

Specifications may be subject to change without notice