Fuse Amp-Trap® 250V 400A Fast-Acting Class K5 OT Series Fuse

The Fuse Amp-Trap® OT Series is designed for low-cost, reliable protection of feeders and branch circuits in residential and small commercial installations. It is suitable for use in lighting solutions, resistive heating, and other non-motor load applications. This fast-acting Class K5 fuse interrupts short-circuit currents up to 50,000 amperes, making it a robust option for electrical distributors and switchgear suppliers requiring dependable wire and cable protection.

Specifications

• Amperage Rating: 400 A
• Voltage Rating: 250 V
• Interrupt Rating: 50 kA
• Fuse Class: Class K5
• Mounting Type: Clip
• Connection: Blade
• Dimensions (L × W × H): 8.63 in × 2.06 in × 2.06 in
• Diameter: 2.06 inches
• Product Weight: 1.45 lbs
• Insulation Material: PolyTube
• Manufacturer Part Number: OT400

Features

• One-time general purpose fuse for feeders and branch circuits
• Fast-acting to protect lighting and resistive heating loads
• Meets Canadian electrical code requirements for Type P low melting-point, non-time-delay fuses (OTN 15-60)
• Safe interruption of short-circuit currents up to 50,000 amperes
• Non-rejection fuse design; replacement fuses must match or exceed original interrupting ratings

Downloads & Links

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