Fuse Amp-Trap® 250V 80A Fast-Acting Class K5 OT Series

Fuse Amp-Trap® 250V 80A Fast-Acting Class K5 OT Series – Electrical Distributor Fuse

The Fuse Amp-Trap® 250V 80A Fast-Acting Class K5 OT Series is designed for low-cost, reliable protection of feeders and branch circuits in residential and small commercial electrical installations. Ideal for use in lighting solutions, resistive heating, and other non-motor loads, this fuse safely interrupts short-circuit currents up to 50,000 amperes. Manufactured by Mersen, it features a fast-acting design with a blade connection and clip mounting, making it suitable for wire and cable protection in switchgear supplier applications.

Specifications

• Voltage Rating: 250 V
• Amperage Rating: 80 A
• Interrupting Rating: 50 kA (50,000 amperes)
• Fuse Class: Class K5
• Dimensions: Length 5.88 in, Width 1.06 in, Height 1.06 in
• Diameter: 1.06 inches
• Connection Type: Blade
• Mounting Type: Clip
• Insulation Material: PolyTube
• Product Weight: 0.26 lbs
• Manufacturer Part Number: OT80
• Application: Feeders, Branch circuits, Resistive heating, Residential and small commercial installations

Features

• One-time, fast-acting fuse for immediate protection
• Safe interruption of short-circuit currents up to 50,000 amperes
• Meets Canadian electrical code requirements for Type P low melting-point, non-time-delay fuses (OTN 15-60)
• Non-rejection fuse design—ensure replacement fuses match or exceed original interrupting ratings
• Compact size with clip mounting for easy installation and replacement
• PolyTube insulation for enhanced safety and durability

Downloads and Links

• Technical Datasheet - Fuse Amp-Trap® OT80
• Installation Instructions
• Performance Curves and Melting Time-Current Data