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PowerPole
connectors (formerly known as Sermos connectors) from Anderson Power Products have been very popular with electric airplanes and sailplanes. They were the first low-resistance connectors - made of silver-plated copper. The secret of their success is the stainless steel leaf spring built into the plastic housing. This spring applies 25 lb of pressure onto the contacts, ensuring good, vibration-proof contact. Contact resistance has been measured at 600 micro-ohms.
PowerPoles are genderless, which means any connector can be plugged into any other connector. Electric fliers will have to exercise caution when using a speed controller (however, they are color coded). There is one distinct advantage to these connectors: if you have two seven-cell packs you can use them separately and still plug them together in series to make one 14-cell pack. Also, these connectors link together side-by-side using keys that are molded into the side of the housings. When linked together, they become polarised!
Thus, PowerPole connectors are very easy to use (solder them or use a crimping tool), compact, will handle high current, and are insulated but not polarised unless you slide them together in pairs. These are 30 Amp connectors, suitable for wiring up to #12-14. One packet includes two black housings, two red housings and four silver contacts.
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Price |
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PowerPole 30A Connectors - 2 pair |
$4.95 |
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