MERSEN FUSE 690V CP 14X51 AM 1A S/I FR14AM69V1

Why Choose the Mersen FR14AM69V1 Cylindrical Fuse Link?

The Mersen FR14AM69V1 is a compact and dependable 14 × 51 mm aM cylindrical fuse link designed to provide short-circuit protection for motor circuits, transformers and industrial equipment with high inrush currents. As part of the established Mersen FR14 aM ferrule fuse range, it offers reliable current limitation for demanding low-voltage industrial applications.

Its aM operating characteristic allows temporary motor starting currents to pass without unnecessary fuse operation while rapidly interrupting damaging short-circuit currents. This makes it particularly suitable for use in coordinated motor protection systems where overload protection is provided separately by a thermal or electronic overload relay.

With a rated current of 1 A, a rated voltage of 690 V AC and a standard 14 × 51 mm cylindrical format, the FR14AM69V1 is suitable for low-current motor control, transformer and auxiliary circuits. Its ceramic body and silver-plated contacts support reliable electrical performance in industrial control panels and machinery.

Key Advantages

• Purpose-designed aM fuse link for motor circuit protection.
• 1 A rated current for low-current industrial circuits.
• 690 V AC rating for demanding electrical installations.
• Allows normal motor starting and equipment inrush currents to pass.
• High current-limiting capability helps reduce fault energy.
• Compact 14 × 51 mm cylindrical format for compatible fuse holders.

Key Features

• Mersen FR14 aM ferrule fuse series.
• 1 A rated current.
• 690 V AC rated voltage.
• 14 × 51 mm cylindrical fuse link.
• aM partial-range motor protection characteristic.
• Non-striker configuration.
• Ceramic insulating body.
• Silver-plated ferrule contacts.

Reliable Short-Circuit Protection for Motor Circuits

The Mersen FR14AM69V1 is engineered to protect motor and transformer circuits from severe short-circuit currents while tolerating the temporary inrush associated with starting or energising inductive equipment. Its current-limiting performance helps reduce the electrical and mechanical stress placed on cables, contactors and connected machinery during a fault.

As an aM partial-range fuse link, the FR14AM69V1 is intended primarily for short-circuit protection. It should be coordinated with a correctly selected overload relay or another suitable overload protection device to provide complete protection for the connected motor or load.

Typical Applications

• Low-current motor starter circuits.
• Industrial control and auxiliary circuits.
• Transformer primary protection.
• Motor control centres.
• OEM machinery and automation equipment.
• Industrial switchgear and control panels.