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1SCA022753R3470 ABB Switch Fuse 400A 3 Pole
ABB OS400B12P switch fuse disconnector, a 400 A three pole front-operated device designed for BS88 B1-B4 fuse protection and electrical isolation applications.
£603.37
Why Choose the ABB OS400B12P Switch Fuse?
The ABB OS400B12P is a high-performance switch fuse disconnector designed for safe electrical isolation and reliable fuse protection in low-voltage industrial power systems. As part of the ABB OS400 fuse switch series, it provides dependable switching performance for industrial distribution, machinery and power control applications.
This front-operated switch fuse features a three-pole construction with a mechanical operating mechanism positioned between the poles. The robust base-mounted design enables secure manual switching and dependable circuit protection using BS88 B1-B4 fuse links in demanding industrial installations.
With a rated current of 400 A, a 3-pole configuration and compatibility with BS88 B1-B4 fuses, the ABB OS400B12P is suitable for high-current applications requiring reliable isolation and fuse-based protection.
Key Advantages
- 400 A switch fuse disconnector for industrial power applications.
- 3-pole switching design for reliable circuit isolation.
- BS88 B1-B4 fuse compatibility for flexible protection options.
- Front-operated mechanism for convenient manual operation.
- Pistol handle and shaft included for ready-to-use operation.
- High short-circuit withstand capability for demanding installations.
Key Features
- ABB OS400 fuse switch series.
- 400 A rated current.
- 3-pole configuration.
- Front-operated switch fuse design.
- 12 operating mechanism between the poles.
- BS88 British Standard fuse system.
- B1-B4 fuse size compatibility.
- Pistol handle and shaft included.
- 690 V AC rated operational voltage.
- 1000 V rated insulation voltage.
- IEC 60947-3 compliant switching performance.
Reliable Power Isolation for Industrial Systems
Switch fuses such as the ABB OS400B12P 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.
Typical Applications
- Industrial distribution panels.
- Motor control centres.
- Manufacturing machinery systems.
- Electrical switchboards.
- Power protection installations.
- Industrial automation equipment.
Technical Specifications
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS400 Fuse Switches | |
| Product type | Switch fuse disconnector | |
| ABB order code | 1SCA022753R3470 | |
| 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 | Front operated | |
| Operating mechanism | 12 (Between the Poles) | |
| Handle type | Pistol handle and shaft included | |
| Mounting type | Base mounting | |
| Standards | IEC 60947-3 | |
| Terminal type | Lug terminals | |
| Terminal width | 25 mm | |
| Tightening torque | 30–44 N·m | |
| Protection rating | IP20 |
Frequently Asked Questions
What is the ABB OS400B12P used for?
The ABB OS400B12P is a switch fuse disconnector used for manual switching, electrical isolation and BS88 fuse protection in low-voltage industrial systems.
What current rating does this switch fuse provide?
The OS400B12P has a rated current of 400 A.
How many poles does the ABB OS400B12P have?
This switch fuse features a 3-pole configuration.
Which fuses are compatible with this model?
The OS400B12P is designed for BS88 B1-B4 fuse sizes.
Is the handle included with this switch fuse?
The ABB OS400B12P includes a pistol handle and shaft for manual operation.
Trusted for Industrial Switching Applications
ABB OS400 fuse switches are widely used in industrial electrical systems to provide reliable circuit isolation, fuse protection and safe manual switching performance.
