Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB OS250B30 is a 250 A 3-pole OS series switch fuse designed for British Standard B1–B3 fuse links and dependable switching, isolation and fuse protection in industrial low-voltage applications.
£415.82
The ABB OS250B30 is a robust 250 A 3-pole switch fuse designed for dependable switching, isolation and fuse-based protection in industrial low-voltage electrical systems. Part of the ABB OS fuse switch series, it provides a practical solution for three-phase power distribution, machinery and switchboard applications.
This exact OS250B30 configuration is a British Standard fuse switch designed for B1–B3 fuse links. Its three-pole construction is suitable for three-phase circuits, combining manual isolation with fuse protection in a single industrial switching device.
The OS250B30 belongs to ABB's OS250 platform, a family of manually operated switch fuses designed for professional low-voltage installations. ABB identifies this exact model under order code 1SCA022750R6910 within product group 311021-OS Fuse Switches.
Switch fuses combine manual circuit switching and isolation with fuse-based overcurrent and short-circuit protection. Correctly selected fuse links protect the circuit against electrical fault conditions, while the switching mechanism provides a means of isolating downstream equipment for operation, servicing and maintenance.
The ABB OS250B30 provides this functionality in a 250 A three-pole configuration designed for British Standard B1–B3 fuse links. This combination makes it suitable for industrial distribution systems, machinery and electrical assemblies requiring reliable three-phase isolation with fuse protection.
| Series | OS Fuse Switches |
|---|---|
| ABB order code | 1SCA022750R6910 |
| Product type | Switch fuse |
| Product platform | OS250 |
| Rated current | 250 A |
| Number of poles | 3 |
| Fuse system | British Standard |
| Fuse sizes | B1–B3 |
| Function | Switching, isolation and fuse protection |
| ABB product group | 311021-OS Fuse Switches |
The OS250B30 is a 250 A 3-pole switch fuse from ABB's OS range, designed for switching, isolation and fuse-based protection in industrial low-voltage electrical systems.
The ABB OS250B30 has a rated current of 250 A.
The OS250B30 has a 3-pole configuration, making it suitable for three-phase electrical circuits.
The OS250B30 is designed for the British Standard fuse system.
The ABB OS250B30 is designed for British Standard B1–B3 fuse links.
The OS250B30 is suitable for industrial power distribution, three-phase feeder circuits, switchboards, machinery isolation and other low-voltage applications requiring manual switching with fuse protection.
The ABB order code for this exact 250 A 3-pole switch fuse is 1SCA022750R6910.
ABB OS switch fuses are designed for professional low-voltage installations requiring dependable switching, isolation and fuse protection across industrial power distribution, machinery and electrical control systems.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.