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Standard Fuse Sizes Chart. Fuses are categorized by their physical size and the amount of current they can safely handle. The standard sizes ensure they fit properly in different applications, providing the necessary protection without being overly restrictive. Common Fuse Size Categories. Micro Fuses: Small and used in electronics and small ...
The standard ampere ratings for fuses and inverse time circuit breakers shall be considered as shown in Table 240.6(A). Additional standard ampere ratings for fuses shall be 1, 3, 6, 10, and 601. The use of fuses and inverse time circuit breakers with nonstandard ampere ratings shall be permitted.
size fuse shown in the chart is the 5AG, or “MIDGET,” a name adopted from its use by the electrical industry and the National Electrical Code range which normally recognizes fuses of 9/16”× 2” as the smallest standard fuse in use. FUSE SIZES SIZE DIAMETER (Inches) LENGTH (Inches) 1AG 1/4.250 5/8.625 2AG – .177 – .588 3AG 1/4.250 ...
The largest size fuse shown in the chart is the 5AG, or “MIDGET,” a name adopted from its use by the electrical industry and the National Electrical Code range which normally recognizes fuses of 9/16” x 2” as the smallest standard fuse in use.
Need help choosing a fuse from the many sizes and types of fuses? Use these fuse charts to find the best fuse type given your required fuse overload characteristics, interrupting rating amps, AC voltage rating, and available amps fuse rating.
The general guideline for selecting an appropriate fuse size is to choose a fuse that is slightly larger than the maximum expected current of the circuit while still providing sufficient protection. Fuses are typically available in standard sizes such as 15A, 20A, 30A, etc.
FUSE TYPE MICRO2 ATO® MINI ®MCASE JCASE MAXI MIDI MEGA PAL Series 0 Series 1 Series 2 Series 5 ZCASE ACTUAL FUSE SIZE Black 1A 175A 80A 80A 40A Gray 2A 2A 15A 150A 120A 120A 60A Violet 3A 3A 3A 3A 100A 200A 140A 80A Pink 4A 4A 30A 30A 125A 250A 30A 30A 30A 100A Tan 5A 5A 5A 5A 5A 70A 70A 70A 225A 125A Brown 7.5A 7.5A 7.5A 7.5A 7.5A 70A 25A 150A
Selection Factors. Normal operating current. Application voltage (AC or DC) Ambient temperature. Overload current and length of time in which the fuse must open. Maximum available fault current. Pulses, Surge Currents, Inrush Currents, Start-up Currents, and Circuit Transients. Physical size limitations, such as length, diameter, or height.
A fuse size chart serves as a comprehensive guide for determining the appropriate fuse ratings for different electrical circuits and devices. It helps prevent electrical overloads and potential hazards by ensuring the correct fuse size is used. Why is it important to choose the right fuse size?
Fuse Transparent Cover Transparent Cover XX = SmartGlow Fuses + + WARNING: Cancer and Reproductive Harm +Opaque housing www.P65Warnings.ca.gov Low Profile MINI® ®Fuse ®Fuse ®Fuse TYPE MICRO2 MICRO3 MINI ATO® MAXI Current Rating Fuse Design 5A 5A 2A2A 5A 3A 3A - 30A 3A - 15A 2A - 30A 2A - 30A 1A - 40A 20A - 80A 5A 7.5A 1A 20A 20A 30A 30A ...