CDC3　Series AC Contactor

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Applicable Range

CDC3-9～110 AC contactor is designed for long-distance making and breaking in circuit, with AC50Hz (or 60Hz), rated operating voltage up to 660V. When rated operating voltage is 380V in Category AC-3,rated operating current to the power system is up to 110V .It also can be formed with thermal overload relay or electrical protection apparatus and form electromagnetic starter to protect circuit against overload.

Applicable Standards

National Standards: GB14048. 4
National Standards: IEC 60947-4-1

Normal working and installation conditions

1. Altitude: no more than 2000m.
2. Ambient temperature: within -5℃～+40℃,and the average temperature no more than +35℃ in 24 hours.
3. Relative humidity no more than 50% at max. +40℃, and it may be higher at a lower temperature . The lowest average temperature no more than +25℃ in the wettest month . The maximum average relative humidity of this month doesn't exceed 90%, The change of temperature leading to dew on the surface of product must be considered.
4. Class of pollution: Class 3.
5. Vertical or horizontal installation is allowed. The inclined angle between the mounting surface and vertical surface no more than ±30°under vertical installation.
6. Installation condition: class III.

Structure features

1. It is compact and beautiful.
2. Good performance of arc extinction without flashover, CDC3-9～16 adopts automatic arc-extinguishing, but CDC3-26～110 have a “U” type arc-extinguishing slice located on the body and form enclosed arc-extinguishing chamber.
3. Perfect conductivity: contact is made of the silver base alloy materials with resistance to fusion welding and electrical friction.
4. Convenient connection for coil have two types, namely, front and front &back outlets
5. High safety: conductive parts are not exposed to the air.
6. Installation condition is class III, screw and guide rail installations.
7. More options for accessories.

Outline and Installation Dimensions

Q: explain: They are used to protect the circuit from overloads, this prevents fires and protects components of the circuit.

Q: I have a 1996 Toyota Camry LE 4 cylinder, just yesterday for some reason the clock and the radio both wont' turn on anymore. The battery is working fine, I can turn on the car, turn on the light and all other stuff, just those two components (and the cigarette lighter adapter) that stopped turning on. Can anyone think of any reason why it's doing that? Is it the fuse that might be burned out? Thanks: Look in the manual to determine which fuse is for those items. It is most likely the problem.

Q: I have an old 1998 dodge stratus and it keeps blowing the ignition fuel starter fuse(20A). I replace it 4 times and they failed. Can someone tell me what's going on and I can get over this?: The ignition fuel and starter are all on the same circuit?? Seems odd, but possible I guess. Your going to have to get an amperage draw test done on the individual components of the system and see which one is drawing enough amps to melt the fuse. Could be the components, the wiring (not likely) or the control module (rare). Also could be a short to ground or short to power. Sounds confusing but I bet it's faulty internal starter windings causing the problem. Have the starter removed and professionally tested by a reputable auto electric shop not a parts guy that thinks he's a mechanic. Also if it's a manual transmission car try parking it on hills and roll starting it to verify the problem if this is possible.

Q: I live in Klang Valley, Malaysia: service station, car accessory place, electrical component store

Q: i have 2 12 mtx tr75s and a 1000w alpine amp and a 4 gauge boss wiring kit i blew the 60a fuse that came with it within 2 days and blew the 80a today after just buying it should i go with the 100a or 125a agu fuse: the fuse is there to protect the amp.if you keep raising the amperage of the fuse you could risk damaging the amp. If you are blowing fuses too easy one of the first things I would check is make sure that all connections are tight and secure, meaning not touching any metal or any other wires this goes for the amp wires and the speaker wires.also the amp is designed to operate at a certain ohm level, ex. (1 ohm, 2 ohm, 4 ohm or 8 ohm) 1 and 2 ohms are usually used for spl contest, 4 ohms is the average with cheaper amps and subs. Since you said you have 2 12's you may have it wired up in a 2 ohm configuration while the amp can only take 4 ohms. The way you wire the speakers vary based on how many voice coils each speaker has and the ohms of those voice coilsI'd say figure out what ohms the subs are and then figure out what ohm your amp is stable at and search multiple speaker configurations. example, lets say the subs are 4 ohms and and the amp is stable at 4 ohms, your search would be wiring configuration for 2 sub woofers on a 4 ohm amp once you get that figured out put the fuse that was rated fir the amp back in and try again, if problem persist i would start taking to the place you bought it.

Q: I have checked the voltage at the disconnect and the breaker. They are fine. I have checked the display connection and that is okay. Where do I go from there? Any help would be appreciated. Thanks: I have a beachcomber tub and it has System fuses if one of them are blown my panel will go deadhave you tried sundance service ?

Q: Hey i just bought a van for travling and i was wondering what can i run off a 12 volt power point?? kettle ' fan ect.: you should be able to run anything that does not exceed the amperage rating of the fuse for the power point this is usually about 10-15 amps, depending on the vehicle and what other components this fuse controls. If we consider that wattsvoltage x current that means that you should be fine with anything that is rated at under 120-180 watts or a combination of things (using a splitter) totaling less than that. Find the fuse that controls your power power point, and look at its amperage rating. I would assume that this fuse also controls other components as well (dome lights, etc.). Multiply its amperage by twleve and that is the MAXIMUM number of watts that can be used on that circuit. Since this represents the maximum number of amps possible on the circuit (and probably would result in a blown fuse) dont pick an appliance that matches the wattage number you calculate or you will overload the circuit and blow a fuse. Other than that you can use just about anything that meets these requirements.

Q: I have a rotel RB-850 that won't turn on after working fine forever. Power light does not come on. Someone suggested it might be a blown fuse.: I repair these - it is never just the fuse! I urge you to not attempt to just replace the fuse. Fuses do not go out due to age, they blow to protect other components from further damage and/or fire (no, I am not kidding). The amplifier requires service by a qualified technician. There are no user replaceable parts inside. Those Rotels were good units and worth the repair. Your best bet will be a stereo/home theater store that does repairs, although you may find a TV repair shop that has an tech that knows vintage audio. Now put that screw-driver away before you hurt yourself.

Q: I have a Kenmore 110.64672400 and my husband thought it would be easy to disconnect the buzzer. He cut the two wires to the buzzer and started the dryer. It ran - until it started tried to buzz - then it died.What did we fry? What do we now need to replace?Please help.: That's one of many possibilities. Get out the multimeter and test all possible componants 'till you find the dead one. Hopefuly it's just a thermal fuse or thermostat and not the motor or timer!

Q: checked all wires under hood and car, couldn't find any shorts. car will start and run but after awhile it will shut off or when it's put into gear.: if it shuts off when you put it in gear you need to check the mounts real good in it,it may have a broken engine mount,and that may be allowing it to break ground ,this will cause it to stall out,and blow a fuse,because when you loose the ground wire,you loose power to some of the inside components,such as the computer,and this will make them blow fuses sometimes,its worth a try,good luck with it.

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