RN2 Indoor high-voltage current limit fuse

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Scope of application

This product can be used in indoor system of AC 50Hz and rated voltage of 3~35kV to protect the voltage mutual-inductor from short circuit.

Type and meaning

Main technical parameter

Outline and installation size

Q: i am working on a 200 mbz ml320 suv. both power seats will not work. I checked the fuses and they are good. I checked the grounds, and they are good. I even took the seat out of the car and tested itand its good. Just wanted to know if it could be a relay and something else i am not thinking of.thanks everyone.: Since you say it applies to both seats, the fault is most probably in a component common for both seat circuits. That would be the relay k1 (looking in the direction of travel it will be on the left side, top, close to row of fuses above it) in the right front footwell relay/fuse box. I presume you also have checked already the fuses f30 and f31 - they supply the power to both seat modules, there are orange (quite thick) wires coming from the fuse box to each seat. Please check if the seat modules are getting power. The other possibility is lack of seat activation signal (it comes from the AAM (All Activity Module) in the front left fuse box, via grey wire and it simply enables the seat by activating the relay k1. might want to try if applying battery power there (gray wire, connector 1, pin L) of the front footwell fusebox will make the seats work. Funny thing i was working on similar problem on W164 ML couple of days ago.The thing cooked down to faulty front module that did not supply the seat activation signal anymore.

Q: I need to know so I can replace it without screwing anything up. I read that in some of the newer cars the radios are connected to the headlights, heater etc. your help will be greatly appreciated.: strange idea. The radio is connected to the battery via a fuse block, to the metal chassis, to the antenna, and to the speakers. .

Q: I am going to run one wire off my battery terminal to an auxillary fuse block under my dash. The fuse block has 8 places for 30amp max fuses and the block is rated for 120amp total. The wire I will be running is about 8'-10' long. What is the formula used to figure what gauge wire I need?: You need to size the wire for the maximum current it could carry. If it is directly off the battery and going to a block that is fused for a total of 120 Amps, then you have to assume that the wire could be asked to carry 120 amps before a fuse would blow. According to your chart, that would be a 8 AWG wire (150A for 10 feet). First problem is that 8 * 30A 240A. If you did 8 branch circuits all fused at 30 with no fuse between the block and the battery, you could exceed the rating of the block! The safe way to do this is to add up all the loads you plan to put on this wire, right size the fuses to those loads and then size the wire for that total plus about 10%. You could also put a single fuse right at the battery that would be sightly larger than the total max load current.

Q: Hi everybody, I tried asking somebody to check the engine light on my car, they accidentally jumped the wrong cable which seems to have stopped my sony car stereo from working now. I checked the radio fuse and fuse behind the stereo and they all look fine. I am still able to eject and insert a CD into the system so that means that power is getting to it right? Is there a reason why the head unit doesn't come on?also Is it possible to fry your cars wiring with this mistake? But isn't that what the fuses are for? Is it just my head unit?thanks in advance!: No, fuses do not protect against reversed polarity. They are designed to protect from shorted electrical supply wiring and overloads (excessive current). Reversing the DC polarity to many devices will spell sudden death. Depending on how long the condition existed, there could have been a really huge buildup of heat which has damaged power supply components. One reason that reverse polarity is used with DC welding equipment is that normal polarity puts more heat into the workpiece, whereas reversed polarity puts the heat into the welding electrode.

Q: I have found the source of the drawfuse is connected to the lighter/dome light. That's all it says on the small fuse panel anyway so as far as starting to change the bad wire or component goes am I really just looking at the lighter and dome lightor are there usually other items connected to this fuse as well?Just looking for guidance - age old tips to make my troubleshooting / wire replacing task less daunting.: STOP,they only list the main componants on that fuse,there may be others,it's best to pull the fuse and see what else dosn't work,to correct the draw.In order for wiring to cause a draw it would have to shorted somewhere,you would have burnt wires,cig lighters usually short out inside that will give you a parasitic draw,but try what i suggested first if nothing else found replace the sig lighter

Q: 2003 dodge grand caravan the parking lights wont come on and i can find the fuse! i looked at the fuse box in the engine compartment and all the fuses look good! is there another box ? please help. ps my headlights work and so are the dash lights: when you open the door look on the end of the dash on that van, there's a panel that you remove,there you,ll find the main fuse box for the the inside components and the one for the park lights,good luck.

Q: I have a pontiac Grand Prix GTP, its 2000 the under hood is clean but not clean enouch, Should i just go to a car wash and use pressure water on the engine components? how does one clean these wiers and stuff the dust seems to be every where, are there any pros who do it for you? is yes how much taht cost?Pls helpThank you: If it's just dust and dirt use the pressure washer at the car wash, if it's grease/oil get some engine cleaner (gel type is usually better) and follow the directions. Take a can of WD-40 with you in case water gets in an electrical connector. You can get your engine bay professionally detailed cost varies so call any detail shops in your area.

Q: A friend of mine accidentally bridged two wires, one with juice, one grounded, that ran to the glove compartment on my '92 deville. I can't tell what they went to, as my glove compartment is gone, just hanging wires. The wires in question were purple and black, and the three options for what they may have been are the compartment lights, the gas door opener, or the trunk latch opener.When he bridged the two wires, I (sitting in the drivers seat) heard a loud pop that came from in front of me, underneath the steering wheel somewhere, and when I turned on the car, my start-up ding noises were notably sharper, and simultaneously weaker, like something had been blown. The radio display lights were inoperable, and while I did get static upon turning on the radio, my antenna would no longer extend. Do these things share a common circuit, and would short-circuiting something from the glove compartment cause me to blow a fuse, or is it possible that all of these components are permanently well blown?: fuses are meant stop anything thats powered to be blown, check all your fuses and i'm betting a number 15 is blown.

Q: I hooked up a tachometer on my bike and I accedentaly grounded a live wire and nothing would turn on. (headlight, guages, ignition and the bike is basically dead. I found a fuse under a component that is wired directly from the battery that was blown. I replaced it and it turned on my fuse box (Thats what my tach is wired to) is there another fuse I don't know about?: I'm thining you still have a bare wire grounding out somewhere, hard to find to :(

Q: Hi I never used the cigarette lighter in my Lexus es300 1993. . i recently bought a car cell phone charger and it doesn't work. I pushed in the cigarette lighter and it did not heat up. I replaced the fuse and it doesn't work.any suggestions will helpthanks so much,ALex, nyc: Could be a bad lighter socket. See if you can replace it or just live with it

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