Description
The COOPER BUSSMANN NON-45 is a 45-amp, 250-volt Type NON general purpose cartridge fuse designed for overcurrent protection in a wide range of electrical systems. Type NON fuses are single-element, non-time-delay fuses that respond quickly to overcurrent conditions, making them well suited for resistive loads and branch circuit protection. At 1 inch in length and 0.81 inches in width, this compact fuse fits standard ferrule-type fuse holders. Licensed electricians and maintenance technicians install this fuse as part of panelboards, disconnect switches, and industrial control panels where fast-acting protection is required.
The NON-45 is used in residential, commercial, and light industrial electrical applications. It is a general purpose fuse appropriate for branch circuits, service entrance equipment, and load-side protection on resistive loads. It is packaged in a box of 10 units, making it practical for service vehicles and supply rooms where replacements are needed on a regular basis. This fuse is not recommended for motor or transformer loads where inrush current would cause nuisance opening.
Key Features
- 45-amp continuous current rating for branch circuit and resistive load protection
- 250-volt AC rating suitable for standard single-phase and three-phase low-voltage circuits
- Type NON non-time-delay, single-element design for fast response to overcurrent
- Ferrule-style cartridge form factor fits standard Class H fuse holders
- Boxed in quantities of 10 for efficient restocking and field inventory
Compatibility
Designed as an OEM-style replacement for standard Class H ferrule-type cartridge fuse holders rated for Type NON 250-volt general purpose fuses.
Installation Notes
Installation and replacement of cartridge fuses must be performed by a qualified electrician in accordance with NFPA 70 (NEC) requirements. Always de-energize and lockout/tagout the circuit before removing or inserting a cartridge fuse. Use an insulated fuse puller rated for the voltage class when handling ferrule fuses. Do not substitute a higher-amperage fuse or a time-delay fuse type without verifying that the circuit overcurrent protection requirements are met.
Technical Specifications
- Amperage: 45 amps
- Voltage Rating: 250 volts
- Fuse Type: Type NON, Non-Time-Delay
- Application: General Purpose
- Length: 1 inch
- Width: 0.81 inches
- Height: 5.5 inches
- Weight: 5 pounds
- Package Quantity: 10
- Unit of Measure: EA
Standard Information
- Brand: COOPER BUSSMANN
- Manufacturer Part Number: NON-45
