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1SCA116853R1001 ABB 125 A 2-Pole BS Switch Fuse
ABB OS125GB11P is a 125 A 2-pole British Standard switch fuse for A2–A4 fuse links, supplied with a 161 mm operating shaft and OHB65J6 external handle for low-voltage switching, isolation and fuse protection.
£169.75
Why Choose the ABB OS125GB11P 125 A 2-Pole Switch Fuse?
The ABB OS125GB11P is a robust 125 A 2-pole switch fuse designed for switching, isolation and fuse-based protection in low-voltage electrical distribution systems. Part of the ABB OS125 fuse switch range, it combines dependable manual isolation with British Standard fuse protection for industrial and commercial applications.
The OS125GB11P uses the British Standard fuse system and accommodates A2–A4 fuse links. Its front-operated, base-mounted construction incorporates lug terminals and is designed for switching applications up to 690 V AC, providing a practical solution for panel and switchboard integration.
Rated at 125 A with a 2-pole configuration, this version is supplied with a 161 mm operating shaft and ABB OHB65J6 external handle. The complete operating arrangement makes the OS125GB11P suitable for applications requiring reliable external control of a fused isolating device mounted inside an electrical enclosure.
Key Advantages
- Reliable 125 A 2-pole switch fuse for low-voltage electrical systems.
- Designed for British Standard A2–A4 fuse links.
- Combines switching, isolation and fuse-based circuit protection.
- Supports switching applications up to 690 V AC.
- Front-operated and base-mounted for convenient panel integration.
- Supplied with a 161 mm shaft and OHB65J6 external handle.
- Robust lug-terminal arrangement for dependable electrical connections.
Key Features
- ABB OS125 switch fuse.
- 125 A rated current.
- 2-pole configuration.
- British Standard fuse system.
- Suitable for A2, A3 and A4 fuse links.
- 690 V AC switching voltage.
- Front-operated construction.
- Base mounting for panel and switchboard installation.
- Lug terminals for electrical connections.
- 161 mm operating shaft included.
- OHB65J6 external operating handle included.
- Designed in accordance with IEC 60947-3.
Reliable Two-Pole Switching, Isolation and Fuse Protection
The ABB OS125GB11P combines manual circuit switching and isolation with the protection provided by appropriately selected British Standard A2–A4 fuse links. Its 125 A, 2-pole configuration enables two conductors to be switched simultaneously while the installed fuse links provide overcurrent and short-circuit protection according to their selected characteristics.
The front-operated, base-mounted design makes the OS125GB11P straightforward to integrate into electrical panels and distribution assemblies. With its supplied 161 mm operating shaft and OHB65J6 external handle, the switch fuse provides a complete mechanical operating arrangement for external control through a suitable enclosure door.
Typical Applications
- Industrial low-voltage power distribution systems.
- Two-pole feeder switching and isolation.
- Electrical distribution switchboards.
- Industrial machinery and equipment supplies.
- Control panels and electrical distribution assemblies.
- Installations requiring British Standard A2–A4 fuse protection.
Technical Specifications
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS125 | |
| ABB order code | 1SCA116853R1001 | |
| Product type | Switch fuse / fuse switch disconnector | |
| ABB product group | 311021-OS Fuse Switches | |
| Rated current | 125 A | |
| Number of poles | 2 | |
| Fuse system | British Standard | |
| Mechanical fuse size | A2–A4 | |
| Switching voltage | Up to 690 V AC | |
| Rated operational power | 55 / 75 / 110 kW at 400 / 500 / 690 V AC | |
| Power loss | 12 W per pole at rated operating conditions | |
| Operation | Front operated | |
| Mounting type | Base mounting | |
| Terminal type | Lug terminals | |
| Operating shaft | 161 mm shaft included | |
| Handle | ABB OHB65J6 external handle included | |
| Standard | IEC 60947-3 | |
| Country of origin | Finland |
Frequently Asked Questions
What is the ABB OS125GB11P used for?
The ABB OS125GB11P is a 125 A 2-pole switch fuse designed for switching, isolation and fuse-based protection in low-voltage electrical distribution systems.
What fuse links does the ABB OS125GB11P use?
The OS125GB11P uses the British Standard fuse system and is designed for A2–A4 fuse links.
What is the switching voltage of the ABB OS125GB11P?
The OS125GB11P is designed for switching applications up to 690 V AC.
How many poles does the ABB OS125GB11P have?
The OS125GB11P has a 2-pole configuration, allowing two circuit conductors to be switched simultaneously.
Does the ABB OS125GB11P include a handle and shaft?
Yes. The OS125GB11P is supplied with a 161 mm operating shaft and ABB OHB65J6 external handle for front operation through a suitable enclosure or panel.
Trusted ABB Fuse Switching Technology
ABB OS switch fuses combine dependable circuit switching and isolation with British Standard fuse protection, providing a robust solution for industrial and commercial low-voltage electrical distribution systems.
