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.
OS125GB04N1K ABB Switch Fuse Disconnector 125A 4 Pole
ABB OS125GB04N1K switch fuse disconnector with 125 A four pole operation, direct mounted handle and British Standard A2-A4 fuse compatibility for industrial power systems.
£254.90
Why Choose the ABB OS125GB04N1K Switch Fuse?
The ABB OS125GB04N1K is a robust switch fuse disconnector designed for reliable isolation and protection in industrial low voltage power distribution systems. As part of the ABB OS switch fuse series, it combines manual switching capability with British Standard fuse compatibility for safe control of electrical loads. :chatgpt-content-reference{index="0"}
This front-operated switch fuse features a 4-pole configuration, a direct mounted handle and a switched non-fusible fourth pole. The unit is designed for use with British Standard A2-A4 fuse systems, providing dependable protection and isolation in industrial installations. :chatgpt-content-reference{index="1"}
With a 125 A rated current, 690 V AC rated operational voltage and AC-23A switching capability, the ABB OS125GB04N1K is suitable for machinery, distribution panels and industrial power applications requiring reliable fuse switching and isolation. :chatgpt-content-reference{index="2"}
Key Advantages
- Reliable switch fuse disconnector for industrial power systems.
- 125 A rated current for low voltage distribution applications.
- 4-pole design with switched non-fusible fourth pole.
- Direct mounted handle included for convenient operation.
- Compatible with British Standard A2-A4 fuse systems.
- High short-circuit withstand capability for demanding installations.
Key Features
- ABB OS switch fuse series.
- OS125GB04N1K switch fuse disconnector.
- 125 A rated operational current.
- 4-pole switching arrangement.
- Direct mounted operating handle.
- British Standard A2-A4 fuse system.
- Switched solid link fourth pole.
- Front operated mechanism.
- Base mounting construction.
- Lug terminal connection system.
Reliable Fuse Switching and Isolation
Switch fuse disconnectors combine load switching and fuse protection within a single device, allowing safe isolation and protection of electrical circuits. The ABB OS125GB04N1K provides dependable switching performance for industrial power distribution and machinery applications. :chatgpt-content-reference{index="3"}
The ABB OS series is designed for industrial environments requiring robust construction, reliable operation and straightforward integration into low voltage electrical systems.
Typical Applications
- Industrial power distribution systems.
- Motor protection and isolation applications.
- Machine control panels.
- Factory automation installations.
- Electrical switchboards.
- Low voltage protection and switching systems.
Technical Specifications
| Series | OS Switch Fuses |
|---|---|
| Product type | Switch fuse disconnector |
| Rated current | 125 A |
| Number of poles | 4 poles |
| Fourth pole type | Switched with solid link |
| Fourth pole position | Left side |
| Fuse system | British Standard |
| Fuse size | A2-A4 |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Rated operational current AC-21A | 125 A at 500–690 V AC |
| Rated operational current AC-22A | 125 A at 500–690 V AC |
| Rated operational current AC-23A | 125 A at 500–690 V AC |
| Rated operational power AC-23A | 37 kW at 220–240 V AC |
| Mounting type | Base mounting |
| Operating mode | Front operated |
| Handle type | Direct mounted handle |
| Terminal type | Lug terminals |
| Terminal width | 20 mm |
| Protection rating | IP20 |
| Standards | IEC 60947-3 |
| Dimensions (W × H × D) | 182 × 140 × 165 mm |
| Weight | approx. 2.56 kg |
Frequently Asked Questions
What is the ABB OS125GB04N1K used for?
The ABB OS125GB04N1K is a switch fuse disconnector used for safe electrical isolation and fuse-protected load switching in industrial systems.
What current rating does the ABB OS125GB04N1K have?
The OS125GB04N1K has a rated current of 125 A.
How many poles does this ABB switch fuse have?
The ABB OS125GB04N1K is a 4-pole switch fuse with a switched non-fusible fourth pole.
Which fuse system is compatible with this switch fuse?
The OS125GB04N1K is designed for British Standard A2-A4 fuse systems.
Does the ABB OS125GB04N1K include a handle?
Yes, the OS125GB04N1K includes a direct mounted handle for front operation.
Trusted by Industrial Professionals Worldwide
ABB OS switch fuses are widely used in industrial electrical installations to provide dependable fuse protection, isolation and manual switching control.
