1sna168834r2400 – fuse 5×20 mm 4a pack qty = 10

Why Choose the TE Connectivity FU 520 4 1SNA168834R2400 Fuse?

The TE Connectivity FU 520 4 1SNA168834R2400, also referenced as FUSE 5X20 MM 4A, is a 4 A miniature cartridge fuse designed for compatible Entrelec SNA terminal block and industrial electrical applications. Its compact 5 × 20 mm format provides replaceable overcurrent protection for control, automation and auxiliary circuits.

Part of the established TE Connectivity Entrelec SNA accessory range, the FU 520 4 is manufactured to the DIN 41571 fuse format. It is intended for use with compatible fuse holders and fuse terminal arrangements where a 5 × 20 mm protective element is required, providing a straightforward way to protect and service individual electrical circuits.

The 1SNA168834R2400 variant has a nominal current rating of 4 A and a net weight of approximately 1 g. Supplied in a pack quantity of 10, it is well suited to panel builders, OEMs and maintenance teams requiring replacement fuses for compatible Entrelec installations.

Key Advantages

• Compact 5 × 20 mm cartridge fuse for industrial circuit protection.
• 4 A nominal current rating.
• Manufactured to the DIN 41571 fuse format.
• Part of the established TE Connectivity Entrelec SNA accessory range.
• Replaceable design supports straightforward electrical panel servicing and maintenance.
• Supplied in a convenient pack quantity of 10.

Key Features

• TE Connectivity / Entrelec SNA range.
• FU 520 4 miniature fuse.
• Manufacturer part number 1SNA168834R2400.
• 4 A rated current.
• 5 × 20 mm cartridge format.
• DIN 41571 fuse designation.
• Designed for replaceable overcurrent circuit protection.
• Suitable for compatible Entrelec fuse terminal applications.
• Net product weight of approximately 1 g.
• Supplied in packs of 10 pieces.

Compact Overcurrent Protection for Industrial Circuits

Miniature cartridge fuses provide a simple and serviceable method of protecting compatible electrical circuits against excessive current. When an overcurrent condition causes the fuse element to operate, the affected fuse can be replaced after the underlying fault has been identified and corrected, avoiding the need to replace the complete fuse terminal assembly.

The FU 520 family includes multiple current ratings in the compact 5 × 20 mm format. The FU 520 4 version provides a 4 A rating and is identified to the DIN 41571 format, making it suitable for compatible industrial control and terminal block applications requiring this specific fuse size and current rating.

Typical Applications

• Industrial electrical control panels.
• Compatible Entrelec SNA fuse terminal blocks.
• Automation and machine control systems.
• Control and auxiliary circuits.
• Electrical instrumentation and signalling circuits.
• Switchgear and distribution equipment.
• OEM machinery and electrical assemblies.
• Maintenance and replacement of compatible 5 × 20 mm fuses.