Say the calculated fuse rating is 4.9431 amps, use a 5 amp fuse. Fuse rating Calculation: Let we calculate the fuse sizing for 5.5kW 415V three-phase induction … This fuse calculator makes the following simplifying assumptions: Note: This calculator is designed for solar power systems. Only calculate fuse size yourself when there is no recommended fuse size, and even then only if you possess the appropriate working knowledge and understanding of electrical systems. In the event of a short circuit the fuse blows cutting power and stopping wires melting. When outside this range It is important to also take this into consideration for your wiring choices particularly when temperature are hot. ©2018 WWW.FUSEFACTORY.COM.AU RIGHTS RESERVED. I am going to have 2x250w solar panels wired in series with a combined voltage of 80vdc and 9amp going through a 8AWG wire to a charge controller. E-11 “AC and DC Electrical Systems on Boats,”, Inline Blade Fuse Holder Maxi Fuse Super Extra Heavy 6AWG Wire 300mm Long, Calculate The Correct Fuse Size For Your Project. Unfortunately we do not offer them in low amp values at the moment. Cheers. This is almost always in regards to the main power fuse. Any wire size or circuit protection recommended by this calculator should be reviewed for adequacy, before installation, by a professional applying the applicable industry standards. These variables could include adding additional loads to circuits, Inadequate or defective insulation, Software malfunctions of a browser or server computer, data import errors, environmental heat sources, Heated terminations such as fixtures and fuse blocks. It it is not a substitute for calculations based directly on these or other industry standards that may apply. Note the power of the appliance – usually in the appliance manual, Note the voltage (240 volts in the UK). Because it’s recommended by the manufacturer, that’s the size you’ll use. Go vertically to the head of that column for the recommended wire size. b) The fuse sizes … See this guide to learn how to calculate load current. Calculating the Fuse Size . However, the load of the circuit is not suitable to use alone when choosing a fuse size. Use of this calculator and selection of specific input parameters often require engineering judgment on a case by case basis. Under no circumstances should this calculator be the only resource for selecting wire size or circuit protection. All electrical systems present a risk of fire and other hazards. This defeats the purpose of using a fuse as a safety device. 3. Things can get ugly fast! The size of this fuse is dependent on how many solar panels you have and how they are connected (series, parallel, or series/parallel). An over-sized fuse will allow too much current to flow. A 10-amp fuse would "blow-out" consistently before the … Use this calculator to find out. Presets (hexadecimal representation of the fuse settings) can be reviewed and even be set in the last form at the bottom of this page. This calculator is a tool to assist people of all skill levels to quickly perform calculations and eliminate unsuitable options. One common misconception about choosing the correct fuse size is that it depends on the load of the circuit. Fill out our calculator at the top of the page and it will provide a recommended fuse size based on your inputs. However, Footprint Hero neither warrants nor accepts any liability for the use of this calculator. The user is further cautioned that the results generated are based upon certain simplifying assumptions, which may or may not be valid for a specific case. 9 Branch Circuit Fuse Size, Individual Motor Load, With Starter Overload Relays (N.E.C. Use the next highest fuse rating after the calculation. There are two ways to choose a fuse size: Let’s look at an example for each scenario. The Maxi Blade Fuses are rated up to 32V so would not be suitable for your application. Say the calculated fuse rating is 2.2679 amps, use a 3 amp fuse. Select the AVR device type you want to configure. Copyright © 2020 FootprintHero.com. It is not a substitute for calculations based directly on these or other industry standards that may apply. For instance, if you have one of our 40Amp charge controllers, we would recommend using an 40Amp fuse.The second fuse between your solar panels and charge controller is a little bit different to figure out. Additionally, knowing fuse classes are critical for circuit protection in your home as manufacturers set standards to each specific class. 2. Note: Always use the fuse sizes recommended by the manufacturer when available. Footprint Hero has developed this calculator for use only by individuals having the appropriate working knowledge and understanding of electrical systems. Use the manufacturer’s recommended fuse size. Your email address will not be published. For 80v You will need a bolt in fuse like our ANL Fuses. The Calculator is based on Industry standards including E-11 “AC and DC Electrical Systems on Boats,”. This calculator may contain errors of entry or calculation. 4. This is an in-depth fuse tutorial explaining everything you need to know about fuses and how to size a fuse. Engbedded Atmel AVR® Fuse Calculator Device selection. Use the next highest fuse rating after the calculation. Comment document.getElementById("comment").setAttribute( "id", "a6af97eab549c68b3303e6c4f27e42f3" );document.getElementById("j33ddcfe3a").setAttribute( "id", "comment" ); Notify me of follow-up comments by email. i.e if you need 900A rated fuse means, they can design. Any wire size or circuit protection recommended by this calculator should be reviewed for adequacy, before installation, by a professional applying the applicable industry standards.