1SCA022753R6730 ABB 315 A 4-Pole BS Switch Fuse with Fusible Neutral

Why Choose the ABB OS315B40FP Switch Fuse?

The ABB OS315B40FP is a robust 315 A 4-pole BS-type switch fuse designed for reliable switching, isolation and fuse protection in industrial low-voltage distribution systems. Identified by ABB order code 1SCA022753R6730, this model belongs to the ABB OS315 switch fuse range and is designed for British Standard fuse links.

This specific OS315B40FP configuration features a 40 operating mechanism positioned on the right-hand end of the switch. Its F configuration provides a switched fusible neutral, giving four fused poles and making the unit suitable for three-phase systems where the neutral conductor also requires switching and fuse protection.

With a rated current of 315 A and compatibility with B1–B4 fuse sizes, the OS315B40FP provides dependable high-current fused isolation. Its industrial construction and specialised right-side mechanism arrangement make it suitable for switchboards, distribution assemblies and machinery requiring coordinated phase and neutral protection.

Key Advantages

• 315 A rated current for demanding industrial distribution systems.
• 4-pole configuration for three-phase circuits with neutral.
• Switched fusible neutral provides switching and fuse protection on the neutral pole.
• 40 mechanism positioned on the right-hand end of the switch.
• Compatible with B1–B4 British Standard fuse links.
• Combines switching, isolation and fuse protection in one assembly.

Key Features

• ABB OS315 switch fuse.
• 315 A rated current.
• 4-pole construction.
• F switched fusible neutral.
• 40 mechanism arrangement at the right-hand end.
• Designed for B1–B4 BS-type fuse links.
• Maximum fuse body diameter of 62 mm.
• Suitable for industrial low-voltage fused isolation.
• Terminal bolt set provided for secure power connections.
• Designed for integration into industrial switchboards and distribution assemblies.

Four-Pole Fused Isolation with Fusible Neutral

Switch fuses combine manual circuit switching and isolation with fuse-based overcurrent and short-circuit protection. In the OS315B40FP, all four conductors are incorporated into the fused switching arrangement, providing a comprehensive isolation solution for industrial systems requiring protection across the phase conductors and neutral.

The ABB OS315B40FP uses an F-type switched fusible neutral together with a right-hand end operating mechanism. This configuration is particularly suited to industrial switchgear requiring a defined mechanism position and a neutral conductor that is both switched and protected by a fuse link.

Typical Applications

• Industrial low-voltage distribution boards.
• Three-phase systems requiring a switched fusible neutral.
• Switchgear and switchboard assemblies.
• Industrial machinery and equipment isolation.
• High-current fused feeder circuits.
• OEM and process-industry power-distribution systems.