Mersen A13X25-2 Semiconductor Fuse 25A

Product Description

The MERSEN A13X25-2 is a 25-amp semiconductor fuse designed to provide fast-acting overcurrent protection for solid-state devices and power electronic components. Semiconductor fuses are engineered for extremely rapid arc interruption, limiting the let-through energy (I2t) to levels that protect sensitive components such as SCRs, diodes, thyristors, and IGBTs. This fuse is installed by licensed electricians and industrial maintenance technicians working on variable frequency drives, rectifiers, soft starters, and similar power conversion equipment where standard current-limiting fuses are too slow to prevent component damage.

The A13X25-2 is suited for industrial and commercial electrical applications where solid-state power electronics require upstream overcurrent protection. Typical installation scenarios include control panels, motor drive cabinets, and power conversion assemblies. The fast-clearing characteristics of this fuse class make it appropriate where semiconductor device ratings must be protected from fault currents that would otherwise destroy junctions before a standard fuse could respond.

Key Features

• 25-amp current rating for semiconductor protection circuits
• Fast-acting arc interruption limits let-through energy to protect solid-state components
• Designed as an OEM-style replacement or service spare for semiconductor fuse applications
• Compact form factor suited for panel and drive cabinet installation

Compatibility

Designed as an OEM-style replacement semiconductor fuse for industrial power electronics applications requiring a 25-amp fast-acting fuse of the A13 series form factor.

Installation Notes

Installation should be performed by a qualified electrician in accordance with NEC requirements. Disconnect and lock out all power sources before removing or replacing any fuse. Verify that the replacement fuse current rating, voltage rating, and interrupting rating match the original equipment specifications before installation. Never replace a semiconductor fuse with a standard time-delay or general-purpose fuse, as doing so will not provide adequate protection for solid-state devices.

Technical Specifications

• Current Rating: 25 amps
• Fuse Type: Semiconductor (fast-acting)
• UPC: 78200194025

Standard Information

• Brand: MERSEN
• Manufacturer Part Number: A13X25-2