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1SCA022836R5010 ABB 800A 3 Pole DIN Switch Fuse
ABB OS800D12H 800A three pole DIN switch fuse disconnector designed for industrial electrical switching, isolation and fuse protection applications.
£1,502.57
Why Choose the ABB OS800D12H Switch Fuse?
The ABB OS800D12H 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 robust ABB OS800D switch fuse series, it provides dependable performance for industrial switchgear, machinery supplies and demanding power distribution applications.
This switch fuse features a front-operated mechanism, three-pole construction and a mechanism positioned between the poles. The OS800D12H is engineered for reliable manual operation, combining ABB quality construction with DIN fuse compatibility for secure circuit protection and isolation. :chatgpt-content-reference{index="0"}
With a rated current of 800 A, a 3-pole configuration, DIN NH3 fuse compatibility and a 12 operating mechanism between the poles, the ABB OS800D12H is suitable for high-current electrical installations requiring dependable switching and fuse protection. :chatgpt-content-reference{index="1"}
Key Advantages
- High-current 800 A switch fuse disconnector for industrial applications.
- 3-pole configuration for reliable circuit isolation.
- DIN NH3 fuse compatibility for effective protection.
- Front-operated mechanism for convenient manual switching.
- Handle and shaft not included for flexible installation options.
- Suitable for high-power switchgear and industrial distribution systems.
Key Features
- ABB OS800D switch fuse series.
- 800 A rated current.
- 3-pole switch fuse configuration.
- 12 (Between the Poles) operating mechanism.
- DIN NH3 fuse system.
- Front-operated switching mechanism.
- Handle and shaft not included.
- Base mounting design.
- Lug terminal connections.
Reliable Switching and Protection for Industrial Power Systems
Switch fuse disconnectors such as the ABB OS800D12H 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 OS800D series is designed for electrical engineers, panel builders and industrial installers requiring dependable high-current switching equipment. Its robust construction, DIN fuse compatibility and IEC 60947-3 compliance make it suitable for demanding low-voltage applications. :chatgpt-content-reference{index="2"}
Typical Applications
- Industrial power distribution boards.
- Motor control centres and switchgear assemblies.
- Heavy machinery electrical supplies.
- Manufacturing and processing facilities.
- Commercial and industrial electrical installations.
- High-current low-voltage power isolation systems.
Technical Specifications
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS800D Switch Fuses | |
| Product type | Switch fuse disconnector | |
| Rated current | 800 A | |
| Number of poles | 3P | |
| Fuse system | DIN | |
| Fuse size | NH3 | |
| Operating mechanism | 12 (Between the Poles) | |
| 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 | 80 kA at 690 V | |
| Power loss | 65 W per pole | |
| Conventional thermal current | 800 A | |
| Fully enclosed thermal current | 720 A | |
| Standards | IEC 60947-3 | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 306 × 343 × 233 mm | |
| Weight | approx. 14.39 kg |
Frequently Asked Questions
What is the ABB OS800D12H used for?
The ABB OS800D12H is an 800 A switch fuse disconnector used for electrical switching, isolation and DIN fuse protection in high-current low-voltage systems.
How many poles does this switch fuse have?
The OS800D12H features a 3-pole switch fuse configuration.
What fuse type is compatible with this model?
The switch fuse uses a DIN NH3 fuse system.
Is the handle included with the ABB OS800D12H?
No, the ABB OS800D12H is supplied with the handle and shaft not included.
Where is this switch fuse typically installed?
The ABB OS800D12H is typically installed in industrial switchgear assemblies, distribution boards and high-current electrical systems.
Trusted by Electrical Engineers Worldwide
ABB OS800D switch fuses are widely used in industrial installations to provide reliable switching, isolation and fuse protection for high-current electrical circuits.
