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1SCA022857R6730 ABB 250 A 4-Pole Plug-In Bottom-Out Switch Fuse
ABB OS250B22PDN2P (1SCA022857R6730) is a 250 A four-pole switch fuse with a mechanism-middle design and specialised plug-in/bottom-out connection arrangement for industrial low-voltage power distribution.
£852.75
Why Choose the ABB OS250B22PDN2P Switch Fuse?
The ABB OS250B22PDN2P, product ID 1SCA022857R6730, is a robust 250 A four-pole switch fuse designed for reliable switching, isolation and fuse protection in industrial and commercial low-voltage electrical systems. As part of the ABB OS Fuse Switches range, it combines dependable load switching with fuse-based overcurrent and short-circuit protection for demanding power distribution applications.
This special-connected switch fuse features a mechanism located between the poles and an authoritative plug-in/bottom-out connection arrangement. Its four-pole configuration makes it suitable for three-phase power distribution applications requiring four switched conductors, while the plug-in input and bottom output arrangement provides a specialised connection layout for suitable switchboard and panel designs.
With a rated operational current of 250 A, the OS250B22PDN2P provides substantial switching capability for industrial power systems. ABB identifies this exact model as a plug-in, bottom-out (PD) switch fuse, making it a practical solution for protected feeders, industrial switchboards, distribution panels and machinery supplies requiring dependable high-current isolation and fuse protection.
Key Advantages
- Heavy-duty 250 A switch fuse for industrial power distribution.
- Four-pole configuration for suitable three-phase electrical systems.
- Special plug-in/bottom-out connection arrangement.
- Mechanism positioned between the poles for the required panel configuration.
- Combines load switching, electrical isolation and fuse protection in one device.
- Robust ABB OS construction for demanding low-voltage installations.
- Suitable for switchboards, distribution panels and industrial machinery applications.
Key Features
- ABB OS Fuse Switches series.
- 250 A rated operational current.
- Four-pole construction.
- Plug-in input connection.
- Bottom output connection.
- PD special connection configuration.
- Operating mechanism located between the poles.
- Manual switch fuse design for reliable circuit isolation.
- Fuse-based overcurrent and short-circuit protection.
- Designed for demanding industrial low-voltage power distribution.
- Suitable for protected feeders and high-current electrical circuits.
Reliable Switching and Fuse Protection
Switch fuses combine manual load switching and electrical isolation with the overcurrent and short-circuit protection provided by correctly selected fuse links. This enables downstream equipment and distribution circuits to be protected while providing a clearly defined means of isolation for operation, servicing and maintenance.
The ABB OS range is designed for industrial switchboards, distribution panels and machinery installations. The OS250B22PDN2P combines a 250 A four-pole configuration with a specialised plug-in/bottom-out connection arrangement and mechanism between the poles, providing installation flexibility for electrical assemblies requiring this specific connection layout.
Typical Applications
- Industrial low-voltage distribution boards.
- Electrical switchboards and control panels.
- Four-pole feeder isolation and fuse protection.
- Industrial machinery power supplies.
- High-current equipment distribution circuits.
- Commercial and industrial power distribution systems.
Technical Specifications
| Series | OS Fuse Switches |
|---|---|
| Product ID | 1SCA022857R6730 |
| ABB product group | 311021-OS Fuse Switches |
| Product type | Switch fuse |
| Rated operational current | 250 A |
| Number of poles | 4 |
| Connection arrangement | Plug in / bottom out |
| Connection designation | PD |
| Mechanism position | Between the poles |
| Operating method | Manual |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB OS250B22PDN2P used for?
The ABB OS250B22PDN2P is a 250 A four-pole switch fuse used for switching, electrical isolation and fuse protection in industrial and commercial low-voltage power distribution systems.
What is the current rating of the ABB OS250B22PDN2P?
The OS250B22PDN2P has a rated operational current of 250 A.
How many poles does the OS250B22PDN2P have?
The OS250B22PDN2P has four poles, making it suitable for electrical distribution applications requiring four switched conductors.
What connection arrangement does the OS250B22PDN2P use?
The OS250B22PDN2P uses a special plug-in/bottom-out connection arrangement, identified by ABB as the PD connection configuration.
Where is the operating mechanism positioned on the OS250B22PDN2P?
The operating mechanism is positioned between the poles, providing the mechanism-middle configuration specified for this switch fuse.
Trusted by Electrical Professionals Worldwide
ABB OS fuse switches provide reliable switching, isolation and fuse protection for demanding low-voltage electrical distribution applications, with specialised connection configurations designed for industrial switchboards, control panels and machinery installations.
