Fuse Amp-Trap® 250V 100A Fast-Acting Class K5 OT Series

Fuse Amp-Trap® 250V 100A Fast-Acting Class K5 OT Series – Electrical Distributor Fuse

The Fuse Amp-Trap® 250V 100A Fast-Acting Class K5 OT Series is designed for reliable protection of feeders and branch circuits in residential and small commercial installations. This fuse is ideal for use in lighting solutions, resistive heating, and other non-motor load applications. As a key component for electrical distributors and switchgear suppliers, it ensures safe interruption of short-circuit currents up to 50,000 amperes, supporting secure operation of wire and cable systems.

Specifications

• Voltage Rating: 250 V AC
• Amperage Rating: 100 A
• Interrupting Rating: 50 kA
• Fuse Class: Class K5 (Fast-Acting)
• Dimensions: Length 5.88 in, Diameter 1.06 in
• Connection Type: Blade
• Mounting Type: Clip
• Insulation Material: PolyTube
• Product Weight: 0.2740 lb
• Manufacturer: Mersen
• Manufacturer Part Number: OT100
• Application: Feeders, Branch Circuits, Resistive Heating, Residential and Small Commercial Installations

Features

• One-time, general-purpose fuse providing low-cost protection
• Fast-acting design suitable for non-motor loads such as lighting and heating
• Capable of safely interrupting available short-circuit currents up to 50,000 amperes
• Meets Canadian electrical code requirements for Type P low melting-point, non-time-delay fuses
• Non-rejection fuse—ensure replacement fuses have equal or higher interrupting ratings
• Compact size and clip mounting enable easy installation and replacement

Downloads and Links

• Mersen OT100 Specification Sheet (PDF)
• Installation Instructions (PDF)
• Time-Current Characteristic Curves (PDF)