Fuse Amp-Trap® 250V 40A Fast-Acting Class K5 OT Series Fuse

The Fuse Amp-Trap® OT Series is a fast-acting Class K5 fuse designed for electrical distributors and switchgear suppliers to provide reliable protection in feeders and branch circuits. It is suitable for residential and small commercial installations, including resistive heating and lighting solutions. This fuse safely interrupts short-circuit currents up to 50,000 amperes, ensuring low-cost, general-purpose protection for non-motor loads.

Specifications

• Amperage Rating: 40 A
• Voltage Rating: 250 V
• Interrupt Rating: 50 kA
• Fuse Class: Class K5
• Dimensions (L x W x H): 3 in x 0.81 in x 0.81 in
• Diameter: 0.81 inches
• Product Weight: 0.0730 lbs
• Connection: Ferrule
• Mounting Type: Clip
• Insulation Material: Paper
• Manufacturer Part #: OT40
• Manufacturer: Mersen

Features

• One-time general purpose fuse for feeders and branch circuits
• Fast-acting protection for resistive heating and lighting loads
• Meets Canadian electrical code requirements for Type P low melting-point, non-time-delay fuses (OTN 15-60)
• Not a rejection fuse; replacement fuses must have equal or higher interrupting ratings
• Capable of interrupting available short-circuit currents up to 50,000 amperes

Downloads & Links

• Curves 2
• Drawings
• Curves 1
• Spec Sheet
• Spec Sheet FR