Fuse Amp-Trap® 250V 125A Fast-Acting Class K5 OT Series Fuse

The Fuse Amp-Trap® OT Series is designed for low-cost, one-time protection of feeders and branch circuits in residential and small commercial electrical installations. It is suitable for resistive heating and lighting applications, providing reliable interruption of short-circuit currents up to 50,000 amperes. As a fast-acting Class K5 fuse, it meets the requirements of electrical distributors and switchgear suppliers for safe circuit protection in non-motor loads. The fuse features a blade connection and clip mounting for straightforward installation.

Specifications

• Amperage Rating: 125 A
• Voltage Rating: 250 V
• Interrupting Rating: 50 kA
• Fuse Class: Class K5
• Dimensions: Length 7.13 in, Width 1.56 in, Height 1.56 in, Diameter 1.56 in
• Connection: Blade
• Mounting Type: Clip
• Insulation Material: PolyTube
• Product Weight: 0.7330 lbs
• Manufacturer Part #: OT125

Features

• One-time OT and OTN general purpose fuse for feeders and branch circuits
• Fast-acting fuse providing protection for lighting, heating, and other non-motor loads
• Interrupts short-circuit currents up to 50,000 amperes safely
• Meets Canadian electrical code for Type P low melting-point, non-time-delay fuses (OTN 15-60)
• Not a rejection fuse; replacement fuses must match or exceed original interrupting ratings
• PolyTube insulation enhances durability and safety

Downloads & Links

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