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ABBFuse protector
Product Model

OS63GB20P

Manufacturer

ABB

Category

Fuse protector

Product ID

74264

In Stock
Last updated: 2025/4/18
View Specifications
ABB OS63GB20P

Selling Points

  • 1High Current Rating: 63A rated current for reliable operation.
  • 2British Standard Compliance: Meets British Standard A2-A3 for consistent performance.
  • 3Front-Operated Mechanism: Easy-to-use handle and shaft included for convenient operation.
  • 4Flexible Cable Compatibility: Compatible with stranded and flexible cables (2.5 … 25 mm²).
  • 5Robust Construction: Designed for main circuits with high thermal current (63 A) and short-circuit current (80 kA).
Product Details
OS63GB20P
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
190 mm
Product Net Height
170 mm
Product Net Depth / Length
145 mm
Product Net Weight
0.9 kg 2.1 lb
Cable Cross-Section
2.5 ... 25 mm²
Connecting Capacity
Stranded 2.5 … 25 mm² Flexible 2.5 … 25 mm²
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 63 A
Conventional Thermal Current (Ithe)
Fully Enclosed 63 A
Fuse Size
A2-A3
Fuse System
British Standard
Handle Type
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 4 W
Rated Conditional Short-Circuit Current (Inc)
(690 V) 80 kA
Rated Current (In)
Main Circuit 63 A
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(500 V) 63 A (690 V) 63 A
Rated Operational Current AC-22A (Ie)
(500 V) 63 A (690 V) 63 A
Rated Operational Current AC-23A (Ie)
(500 V) 63 A (690 V) 63 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 18.5 kW (400 V) 30 kW (415 V) 30 kW (500 V) 37 kW (690 V) 55 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 2.5 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
20 (Right Side)
Terminal Type
Screw Terminals
Tightening Torque
3 N·m 4 N·m
Wire Stripping Length
Main Circuit 12 mm Main Circuit 0.47 in
Wire Stripping Length
Main Circuit 12 mm Main Circuit 0.47 in
Tightening Torque
3 N·m 4 N·m
Object Classification Code
Q
ETIM 8
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
1SCA126916R1001

Specifications may be subject to change without notice