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ABB
OS315B03
ABB
OS315B03
Product Model
OS315B03
Product ID
1176658
Stock on Request
Last updated: 9/1/2026
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Pollution Degree
3
Product Net Width
227 mm
Product Net Height
230 mm
Product Net Depth / Length
176 mm
Product Net Weight
6.28 kg 13.85 lb
Conventional Free-air Thermal Current (I<sub>th</sub>)
Θ = 40 °C 315 A
Conventional Thermal Current (I<sub>the</sub>)
Fully Enclosed 315 A
Fuse Size
B1-B4
Fuse System
British Standard
Handle Type
Handle and shaft not 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 19 W
Rated Conditional Short-Circuit Current (I<sub>nc</sub>)
(690 V) 80 kA
Rated Current (I<sub>n</sub>)
Main Circuit 315 A
Rated Impulse Withstand Voltage (U<sub>imp</sub>)
12 kV
Rated Insulation Voltage (U<sub>i</sub>)
1000 V
Rated Operational Current AC-21A (I<sub>e</sub>)
(500 V) 315 A (690 V) 315 A
Rated Operational Current AC-22A (I<sub>e</sub>)
(380 ... 415 V) 315 A (500 V) 315 A (690 V) 315 A
Rated Operational Current AC-23A (I<sub>e</sub>)
(380 ... 415 V) 315 A (500 V) 315 A (690 V) 315 A
Rated Operational Power AC-23A (P<sub>e</sub>)
(220 ... 240 V) 100 kW (400 V) 160 kW (415 V) 180 kW (500 V) 220 kW (690 V) 315 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (I<sub>cw</sub>)
for 1 s 14 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
03 (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
1SCA022753R2070
OS315B03 ABB | INDSLT
