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ABB OS400BS03 fuse switch disconnector, a 400 A three pole side-operated device designed for BS88 B1-B4 fuse protection and electrical isolation applications.
£674.43
The ABB OS400BS03 is a robust and reliable side-operated fuse switch disconnector designed for safe electrical isolation and dependable fuse protection in low-voltage industrial power systems. As part of the ABB OS400 fuse switch series, it provides reliable switching performance for industrial distribution, machinery and power control applications. :chatgpt-content-reference{index="0"}
This side-operated switch fuse features a three-pole construction with a left-side operating mechanism, British Standard fuse compatibility and a direct mounted handle arrangement. The base-mounted design enables secure manual operation and dependable circuit protection in demanding industrial installations. :chatgpt-content-reference{index="1"}
With a rated current of 400 A, a 3-pole configuration, compatibility with BS88 B1-B4 fuses and a left-side operating mechanism, the ABB OS400BS03 is suitable for high-current applications requiring reliable isolation and fuse-based protection. :chatgpt-content-reference{index="2"}
Fuse switches such as the ABB OS400BS03 combine manual switching capability with fuse protection to provide safe isolation and dependable overcurrent protection. They allow electrical circuits to be disconnected securely while helping protect connected equipment.
The ABB OS400 series is designed for industrial switchboards, power distribution systems and machinery installations where high current capability, robust construction and reliable switching performance are essential. :chatgpt-content-reference{index="3"}
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS400 Fuse Switches | |
| Product type | Fuse switch disconnector | |
| ABB order code | 1SCA022860R8180 | |
| Rated current | 400 A | |
| Number of poles | 3 poles | |
| Fuse system | BS88 British Standard | |
| Fuse size | B1-B4 | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 14 kA for 1 s | |
| Rated conditional short-circuit current | 80 kA at 690 V | |
| Operating mode | Side operated | |
| Operating mechanism | 03 (Left Side) | |
| Handle type | Direct mounted handle included | |
| Mounting type | Base mounting | |
| Position of line terminals | Top In - Bottom Out, Bottom In - Top Out | |
| Standards | IEC 60947-3 | |
| Terminal type | Lug terminals | |
| Terminal width | 25 mm | |
| Tightening torque | 30–44 N·m | |
| Protection rating | Fully enclosed | |
| Dimensions (H × W × D) | approx. 230 × 325 × 219 mm | |
| Weight | approx. 7 kg |
The ABB OS400BS03 is a side-operated fuse switch disconnector used for manual switching, electrical isolation and BS88 fuse protection in low-voltage industrial systems.
The OS400BS03 has a rated current of 400 A.
This fuse switch features a 3-pole configuration.
The OS400BS03 is designed for BS88 B1-B4 fuse sizes.
The ABB OS400BS03 includes a direct mounted handle for manual operation.
ABB OS400 fuse switches are widely used in industrial electrical systems to provide reliable circuit isolation, fuse protection and safe manual switching performance.
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