Product Model

OS250DS04N2

In Stock
Last updated: 2025/4/19
ABB OS250DS04N2

Selling Points

  • 1Reliable Electrical Protection: The OS250DS04N2 switch fuse provides robust protection against electrical overloads and faults.
  • 24-Pole Design: Equipped with a 4-pole design, it ensures comprehensive protection in various electrical systems.
  • 3Side-Operated Mechanism: The side-operated mechanism allows for easy and convenient operation, enhancing user experience.
  • 4Durable Construction: Built to last, the switch fuse is designed with durable materials for long-lasting performance.
  • 5Versatile Applications: Suitable for a wide range of applications, including industrial and commercial settings, ensuring reliable operation in diverse environments.
Product Details
OS250DS04N2
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
294 mm
Product Net Height
199 mm
Product Net Depth / Length
154 mm
Product Net Weight
4.8 kg 10.6 lb
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 250 A
Conventional Thermal Current (Ithe)
Fully Enclosed 250 A
Fourth Pole Position
Right Side
Fourth Pole Type
Switched - With Solid Link
Fuse Size
NH0 NH1
Fuse System
DIN
Handle Type
Handle and shaft not included
Mounting Type
Base mounting
Number of Poles
4
Operating Mode
Side Operated
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out, Bottom In - Top Out
Power Loss
at Rated Operating Conditions per Pole 13 W
Rated Conditional Short-Circuit Current (Inc)
(690 V) 80 kA
Rated Current (In)
Main Circuit 250 A
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(500 V) 250 A (690 V) 250 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 75 kW (400 V) 140 kW (415 V) 145 kW (500 V) 170 kW (690 V) 250 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 8 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
04 (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
1SCA022871R1960

Specifications may be subject to change without notice