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1SCA114603R1001 ABB 125A 3-Pole BS Switch Fuse
ABB OS125GB12P is a 125 A 3-pole front-operated BS-type switch fuse for A2, A3 and A4 fuse links with its mechanism positioned between the poles and a 161 mm shaft and OHB65J6 external handle included.
£231.44
Why Choose the ABB OS125GB12P Switch Fuse?
The ABB OS125GB12P is a 125 A, 3-pole BS-type switch fuse designed to combine manual circuit switching and isolation with fuse-based protection in industrial low-voltage distribution systems. With ABB order code 1SCA114603R1001, it forms part of the ABB OS switch-fuse range.
The OS125GB12P is a front-operated switch fuse with its operating mechanism positioned between the poles. It is designed for compatible British Standard A2, A3 and A4 fuse links, making it suitable for three-phase feeder, machinery and power-distribution applications requiring coordinated switching and fuse protection.
This configuration is supplied with a 161 mm operating shaft and OHB65J6 external handle. The complete operating arrangement supports through-door control from outside an electrical enclosure, while the switch mechanism remains securely installed within the panel or switchboard.
Key Advantages
- 125 A rated current for industrial low-voltage applications.
- 3-pole configuration for three-phase switching and isolation.
- Designed for compatible A2, A3 and A4 BS fuse links.
- Operating mechanism between the poles for a compact switchgear arrangement.
- Combines manual circuit isolation with fuse-based protection.
- Supplied with a 161 mm shaft and OHB65J6 external handle.
- Purpose-designed ABB OS switch fuse for professional switchboard and machinery installations.
Key Features
- ABB OS125 series switch fuse.
- 125 A rated current.
- 3 poles.
- British Standard fuse system.
- Compatible with A2–A4 fuse sizes.
- Front-operated configuration.
- 12 configuration: operating mechanism between the poles.
- Base-mounting switch-fuse arrangement.
- Supplied with 161 mm operating shaft.
- Supplied with OHB65J6 external handle.
- ABB order code 1SCA114603R1001.
Three-Phase Switching and BS Fuse Protection
The ABB OS125GB12P combines a 3-pole manual switching mechanism with provision for compatible A2–A4 BS fuse links. This arrangement enables a three-phase circuit to be switched and isolated while appropriately selected fuse links provide the required overcurrent and short-circuit protection for the connected conductors and equipment.
The operating mechanism is positioned between the poles, distinguishing the OS125GB12P from OS configurations with the mechanism positioned at an end of the switch. With its supplied 161 mm shaft and OHB65J6 handle, the unit provides a complete external operating arrangement for integration into industrial electrical enclosures and switchboards.
Typical Applications
- Industrial low-voltage distribution systems.
- Three-phase feeder switching and fuse protection.
- Electrical switchboards and distribution panels.
- Industrial machinery power supplies.
- OEM and panel-building applications.
- Equipment isolation using compatible BS fuse links.
Technical Specifications
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS125 | |
| ABB order code | 1SCA114603R1001 | |
| Product type | Switch fuse | |
| Rated current | 125 A | |
| Number of poles | 3 | |
| Fuse standard | British Standard | |
| Compatible fuse sizes | A2, A3, A4 | |
| Operation | Front operated | |
| Operating mechanism | Between the poles | |
| Configuration code | 12 | |
| Mounting | Base mounting | |
| Rated operational power, AC-23A at 400 V | 55 kW | |
| Included shaft | 161 mm | |
| Included handle | OHB65J6 | |
| Handle protection | IP65 when correctly installed | |
| Product net width | 147 mm | |
| Product net height | 140 mm | |
| Product net depth | 115 mm | |
| Product net weight | 1.6 kg | |
| Product group | 311021-OS Fuse Switches |
Frequently Asked Questions
What is the ABB OS125GB12P?
The ABB OS125GB12P is a 125 A, 3-pole BS-type switch fuse with its front-operated mechanism positioned between the poles, designed for industrial switching, isolation and fuse protection.
What is the rated current of the ABB OS125GB12P?
The OS125GB12P has a rated current of 125 A.
What fuse sizes are compatible with the ABB OS125GB12P?
The OS125GB12P is designed for compatible British Standard A2, A3 and A4 fuse links.
Where is the operating mechanism positioned on the OS125GB12P?
The OS125GB12P uses ABB's 12 configuration, with the operating mechanism positioned between the poles.
Are the handle and shaft included with the ABB OS125GB12P?
Yes. The OS125GB12P is supplied with a 161 mm operating shaft and an OHB65J6 external handle.
What is the AC-23A power rating of the ABB OS125GB12P?
The OS125GB12P has a rated operational power of 55 kW at 400 V under AC-23A utilisation conditions.
Trusted by Electrical Professionals Worldwide
ABB OS switch fuses combine dependable manual isolation with fuse-based circuit protection, providing robust switching solutions for industrial switchboards, machinery, OEM panels and low-voltage power-distribution systems.
