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ABBFuse protector
Product Model

OS800D21

Manufacturer

ABB

Category

Fuse protector

Product ID

75316

In Stock
Last updated: 2025/4/19
View Specifications
ABB OS800D21

Selling Points

  • 1Designed for consistent performance in demanding industrial environments.
  • 2Ensures smooth and reliable disconnection of electrical circuits.
  • 3Rated for 1000 V insulation voltage, providing robust protection against electrical shocks.
  • 4Front-operated design simplifies installation and maintenance processes.
  • 5Built to withstand harsh industrial conditions, ensuring long-lasting service life.
Product Details
OS800D21
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
341 mm
Product Net Height
306 mm
Product Net Depth / Length
233 mm
Product Net Weight
14.39 kg 31.72 lb
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 800 A
Conventional Thermal Current (Ithe)
Fully Enclosed 720 A
Fuse Size
NH3
Fuse System
DIN
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 75 W
Rated Conditional Short-Circuit Current (Inc)
(690 V) 80 kA
Rated Current (In)
Main Circuit 800 A
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(500 V) 800 A (690 V) 800 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 800 A (500 V) 800 A (690 V) 800 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 800 A (500 V) 800 A (690 V) 800 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 250 kW (400 V) 450 kW (415 V) 450 kW (500 V) 560 kW (690 V) 710 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 18 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
21 (Between the Poles)
Terminal Type
Lug terminals
Terminal Width
39 mm
Tightening Torque
50 ... 75 N·m
Tightening Torque
50 ... 75 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
1SCA022834R6490

Specifications may be subject to change without notice