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1SCA110261R1001 ABB 20 A 4-Pole OS Mini BS Switch Fuse
ABB OS20FB22A1F is a compact 20 A 4-pole OS Mini BS switch fuse for A1 fuse links with its operating mechanism centrally positioned between the poles for reliable industrial switching, isolation and fuse protection.
£100.16
Why Choose the ABB OS20FB22A1F OS Mini Switch Fuse?
The ABB OS20FB22A1F is a compact 20 A 4-pole OS Mini BS switch fuse designed for reliable switching, isolation and fuse protection in industrial low-voltage electrical systems. Identified by ABB order code 1SCA110261R1001, this model belongs to the ABB OS Mini switch fuse range and combines manual circuit isolation with fuse-based overcurrent protection.
This specific OS20FB22A1F configuration uses A1 BS fuse links and features its operating mechanism centrally positioned between the poles. All four poles are fused, providing a compact four-pole switching arrangement for applications requiring simultaneous isolation and fuse protection across four conductors.
With a rated current of 20 A and operational capability up to 690 V AC, the OS20FB22A1F is suitable for compact industrial distribution and machinery applications. The OS Mini platform features protected tunnel terminals and supports both panel and DIN-rail installation, helping simplify integration into space-constrained electrical assemblies.
Key Advantages
- Compact OS Mini switch fuse for space-efficient installations.
- 20 A rated current for industrial low-voltage circuits.
- 4-pole fused configuration for comprehensive circuit isolation and protection.
- Uses A1 BS fuse links.
- Operating mechanism centrally positioned between the poles.
- Suitable for panel and DIN-rail mounting.
Key Features
- ABB OS Mini switch fuse series.
- 20 A rated current.
- 4 fused poles.
- A1 fuse size.
- Designed for BS 88-2 / IEC 60269-2-1 fuse links.
- Mechanism between the poles.
- Rated operational voltage up to 690 V AC.
- AC-23 rated operational power of 7.5 / 11 / 15 kW at 415 / 500 / 690 V AC.
- Protected tunnel terminals with IP20 protection.
- Compact construction suitable for industrial control and distribution panels.
Compact Four-Pole Fused Isolation
Switch fuses combine manual circuit switching and isolation with fuse-based overcurrent and short-circuit protection. The ABB OS Mini platform packages these functions into a compact assembly, making it particularly suitable for control panels, machinery and distribution equipment where installation space is limited.
The OS20FB22A1F provides four fused poles with the operating mechanism positioned between the poles. Its A1 BS fuse compatibility, protected terminals and compact mounting format provide a practical solution for industrial circuits requiring dependable multi-pole fused isolation.
Typical Applications
- Industrial low-voltage distribution panels.
- Four-pole fused isolation circuits.
- Electrical control panels and switchboards.
- Machine and equipment power isolation.
- Compact OEM machinery installations.
- Industrial automation and power-distribution systems.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Series | OS Mini Switch Fuses | |
| ABB order code | 1SCA110261R1001 | |
| Product type | BS switch fuse | |
| Rated current | 20 A | |
| Number of poles | 4 | |
| Pole configuration | 4 fused poles | |
| Fuse size | A1 | |
| Fuse standard | BS 88-2 / IEC 60269-2-1 | |
| Mechanism position | Centre / between poles | |
| Rated operational voltage | Up to 690 V AC | |
| AC-23 rated power at 415 V | 7.5 kW | |
| AC-23 rated power at 500 V | 11 kW | |
| AC-23 rated power at 690 V | 15 kW | |
| Terminal protection | IP20 protected tunnel terminals | |
| Mounting | Panel / DIN rail | |
| Application | Switching, isolation and fuse protection | |
| Product group | 311021 – OS Fuse Switches |
Frequently Asked Questions
What is the ABB OS20FB22A1F used for?
The ABB OS20FB22A1F is used for switching, circuit isolation and fuse protection in compact industrial low-voltage electrical systems.
What is the rated current of the OS20FB22A1F?
The OS20FB22A1F has a rated current of 20 A.
How many poles does the ABB OS20FB22A1F have?
The OS20FB22A1F is a 4-pole switch fuse with all four poles fused.
What fuse size does the OS20FB22A1F use?
The OS20FB22A1F is designed for A1 BS fuse links.
Where is the mechanism positioned on the OS20FB22A1F?
The operating mechanism is positioned centrally between the poles, as specified for this four-pole OS Mini configuration.
Trusted ABB Low-Voltage Switching Technology
ABB OS Mini switch fuses combine compact construction with dependable switching, isolation and fuse protection, providing a practical solution for industrial control panels, machinery and low-voltage distribution systems.
