Product Model

OS400J03K

In Stock
Last updated: 2025/4/19
ABB OS400J03K

Selling Points

  • 1High Amperage Rating: 400 A for heavy-duty applications.
  • 2Enhanced Safety: Dead front construction and terminal shrouds reduce the risk of live part contact.
  • 3Versatile Mounting: Surface mounting with lug terminals for easy installation.
  • 4Superior Short Circuit Protection: 200 kA short circuit current rating for reliable operation.
  • 5Compact Design: 230 mm H x 255 mm W x 176 mm D dimensions for space-efficient installations.
Product Details
OS400J03K
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product Net Width
360 mm
Product Net Height
365 mm
Product Net Depth / Length
175 mm
Product Net Weight
6.55 kg
Fuse Size
400 A
Fuse System
Class J
Mounting Type
Base mounting
Number of Poles
3
Operating Mode
Front Operated
Power Loss
at Rated Operating Conditions per Pole 30 W
Rated Conditional Short-Circuit Current (Inc)
(690 V AC) 80 kA
Rated Current (In)
Main Circuit 400 A
Rated Impulse Withstand Voltage (Uimp)
Main Circuit 12 kV
Rated Operational Current AC-21A (Ie)
(380 ... 415 V) 400 A (500 V AC) 400 A (690 V AC) 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 Voltage
Main Circuit 600 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 14 kA
Standards
UL98 IEC 60947-3
Terminal Type
Lug terminals
Tightening Torque
30 … 44 N·m
Maximum Operating Voltage UL/CSA
Main Circuit 600 V AC Main Circuit 250 V DC
Ampere Rating
400 A
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
1SCA117773R1001

Specifications may be subject to change without notice