1SCA108800R1001 ABB 20 A 3-Pole Side-Operated Switch Fuse

Why Choose the ABB OS20FBS30A1-2 Side-Operated Switch Fuse?

The ABB OS20FBS30A1-2 is a compact 20 A 3-pole side-operated switch fuse designed for reliable switching, isolation and fuse protection in industrial low-voltage electrical systems. Identified by ABB order code 1SCA108800R1001, this model belongs to the ABB OS Mini switch fuse range.

This specific OS20FBS30A1-2 configuration is side operated and designed for A1 BS fuse links. Its three-pole construction provides fused switching for three-phase circuits, while the compact OS Mini format supports installation in machinery, control panels and distribution assemblies where available space is limited.

With a rated current of 20 A, AC-20 to AC-23 operation up to 690 V AC and protected tunnel terminals, the OS20FBS30A1-2 provides a practical solution for industrial fused isolation. The side-operated architecture also supports switchboard layouts where lateral operation is preferable to conventional front operation.

Key Advantages

• Compact 20 A OS Mini switch fuse.
• 3-pole configuration for three-phase circuits.
• Side-operated design for flexible switchboard integration.
• Designed for A1 BS fuse links.
• Combines switching, isolation and fuse protection in one device.
• Protected tunnel terminals provide IP20 terminal protection.

Key Features

• ABB OS Mini switch fuse.
• 20 A rated current.
• 3 fused poles.
• Side-operated configuration.
• A1 fuse size.
• Designed for BS 88-2 / IEC 60269-2-1 fuse links.
• AC-20 to AC-23 operation up to 690 V AC.
• AC-23 rated operational power of 7.5 / 11 / 15 kW at 415 / 500 / 690 V AC.
• IP20 protected tunnel terminals.
• Compact construction for industrial control and distribution equipment.

Compact Side-Operated 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 suitable for industrial applications where dependable isolation and efficient use of panel space are important.

The ABB OS20FBS30A1-2 uses a three-pole side-operated arrangement with A1 BS fuse compatibility. Its protected tunnel terminals and compact construction make it particularly suitable for machinery, distribution panels and switchgear designs requiring a side-operated fused disconnecting solution.

Typical Applications

• Industrial low-voltage distribution panels.
• Three-phase fused isolation circuits.
• Electrical control panels and switchboards.
• Machine and equipment power isolation.
• Compact OEM machinery installations.
• Industrial automation and power-distribution systems.