OS250D21LR

Name: OS250D21LR
Brand: ABB
SKU: OS250D21LR

The ABB OS250D21LR switch fuse is designed for high-demand applications, featuring a modular structure, adjustable shaft, and compact design. It ensures rapid fault clearance and maintains protection levels, making it ideal for installations requiring minimal space and quick fault detection.

Product ModelOS250D21LR

Material Number1SCA022852R8330

Product ID77884

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Protection and ReliabilityThe OS250D21LR switch fuse is engineered to provide high protection and reliability, ensuring that your electrical system operates safely and efficiently.
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2. Modular DesignWith a modular design, the switch fuse can be easily customized to meet specific installation requirements, offering flexibility and convenience.
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3. Adjustable ShaftThe adjustable shaft allows for a range of installation depths, making it suitable for various panel configurations and saving installation time.
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4. Compact StructureThe compact structure of the OS250D21LR switch fuse saves space in smaller enclosures, reducing installation costs and improving panel design efficiency.
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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

Product Net Width

297 mm

Product Net Height

150 mm

Product Net Depth / Length

218 mm

Product Net Weight

5.2 kg 11.46 lb

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 250 A