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ABB OS800B03H 800A three pole switch fuse disconnector designed for industrial electrical switching, isolation and British Standard fuse protection applications.
£1,491.20
The ABB OS800B03H is a heavy-duty 800 A switch fuse disconnector designed for safe switching, isolation and fuse protection in high-current low-voltage electrical distribution systems. As part of the reliable ABB OS800B switch fuse series, it provides robust performance for industrial switchgear, machinery supplies and demanding power distribution applications.
This switch fuse features a front-operated mechanism, three-pole construction and a left-side operating mechanism. The OS800B series is engineered for reliable manual operation in industrial environments, combining ABB quality construction with British Standard fuse compatibility for secure circuit protection and isolation.
With a rated current of 800 A, a 3-pole configuration, C1-C3 British Standard fuse compatibility and a mechanism positioned on the left side, the ABB OS800B03H is suitable for high-current electrical installations requiring dependable switching and fuse protection. :chatgpt-content-reference{index="0"}
Switch fuse disconnectors such as the ABB OS800B03H provide combined switching and fuse protection for high-current electrical circuits. They allow operators to safely isolate equipment while supporting compatible fuses for overload and short-circuit protection.
The ABB OS800B series is designed for electrical engineers, panel builders and industrial installers requiring dependable high-current switching equipment. Its robust construction, British Standard fuse compatibility and IEC 60947-3 compliance make it suitable for demanding low-voltage applications. :chatgpt-content-reference{index="1"}
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS800B Switch Fuses | |
| Product type | Switch fuse disconnector | |
| Rated current | 800 A | |
| Number of poles | 3P | |
| Fuse system | British Standard | |
| Fuse size | C1-C3 | |
| Operating mechanism | 03 (Left Side) | |
| Operation | Front operated | |
| Mounting type | Base mounting | |
| Handle type | Handle and shaft not included | |
| Terminal type | Lug terminals | |
| Terminal width | 39 mm | |
| Tightening torque | 50–75 N·m | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 18 kA for 1 s | |
| Rated conditional short-circuit current | 100 kA at 500 V / 80 kA at 690 V | |
| Power loss | 75 W per pole | |
| Conventional thermal current (fully enclosed) | 720 A | |
| Standards | IEC 60947-3 | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 306 × 343 × 233 mm | |
| Weight | approx. 14.194 kg |
The ABB OS800B03H is an 800 A switch fuse disconnector used for electrical switching, isolation and British Standard fuse protection in high-current low-voltage systems.
The OS800B03H features a 3-pole switch fuse configuration.
The switch fuse uses a British Standard C1-C3 fuse system.
No, the ABB OS800B03H is supplied with the handle and shaft not included.
The ABB OS800B03H is typically installed in industrial switchgear assemblies, distribution boards and high-current electrical systems.
ABB OS800B switch fuses are widely used in industrial installations to provide reliable switching, isolation and fuse protection for high-current electrical circuits.
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