Fuse Amp-Trap® 250V 45A Fast-Acting Class K5 OT Series

Fuse Amp-Trap® 250V 45A Fast-Acting Class K5 OT Series – Electrical Distributor Fuse

The Fuse Amp-Trap® 250V 45A Fast-Acting Class K5 OT Series is a one-time general purpose fuse designed for protection in feeders and branch circuits, particularly in residential and small commercial installations. It is commonly used for lighting solutions, resistive heating, and other non-motor loads. This fuse is suitable for electrical distributors and switchgear suppliers requiring reliable wire and cable protection with a high interrupting rating.

Specifications

• Amperage Rating: 45 A
• Voltage Rating: 250 V AC
• Interrupting Rating: 50 kA
• Fuse Class: Class K5
• Dimensions: Length 3 in, Diameter 0.81 in, Width 0.81 in, Height 0.81 in
• Mounting Type: Clip
• Connection Type: Ferrule
• Insulation Material: Paper
• Product Weight: 0.0730 lbs
• Manufacturer: Mersen
• Manufacturer Part Number: OT45
• Application: Feeders, branch circuits, resistive heating, residential and small commercial installations

Features

• Fast-acting fuse for quick interruption of overcurrent conditions
• One-time use for reliable short-circuit protection up to 50,000 amperes
• Complies with Canadian electrical code for Type P low melting-point, non-time-delay fuses (OTN 15-60)
• Not a rejection fuse; replacement must match or exceed original interrupting rating
• Compact cylindrical design with clip mounting for easy installation
• Suitable for protection of lighting, heating, and other non-motor loads

Downloads and Links

• Technical Datasheet (PDF)
• Installation Instructions (PDF)
• Manufacturer Product Catalog