Obsolete Control Coils
The control coil is an integral part of industrial manufacturing today. Precise machinery control has revolutionized the way we manaufacture just about every product in an industrial environment and the control coil, in many cases, is a critical part of that system. Unfortunately, a small component such as an obsolete control coil can result in substantial down-time.
When they operate properly, they provide us with the ability to open and close switches, relays, solenoids, and other electro-mechanical devices. When they fail, they can leave us helpless with machinery down-time and in a costly situation on the shop floor.
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Fortunately, control coil problems can be fairly simple to diagnose, sometimes the bigger issue is finding a drop-in replacement for an obsolete control coil in an environment where ever-changing technology and design can phase out, or completely eliminate models from the available parts catalog annually.
For ease of use, accessibility, and available industrial control coils, we've been referring individuals to eBay. It almost seems too easy but we've found many parts available that we thought we'd never find. Even after checking with larger parts houses, we still come back and check here regularly. It is not unusual to find obsolete Allen Bradley control coils, Westinghouse control coils, Square D control coils, or obsolete GE control coils listed daily. Have you ever installed the wrong voltage of control coil? Most of us have at one time or another. An obsolete control can be a real headache if you can't locate a direct replacement.
These coils are those that were posted as a result of hard times at other companies and in many cases are NOS (new old stock).
Machine downtime due to an obsolete control coil is a reality for many. There are options, however, nothing is ever easy. Here is a systematic approach, a simple yet effective method in dealing with a failed component that has likely been phased out by the manufacturer and no longer readily available.
1. Identify your problem... Making a positive identification of the failed component is the crucial first step. Troubleshooting is not a synonym for guess-work. It is a scientific method of determining a problem. There should be no doubt as to the source of the problem. This is determined through testing and not guessing.
2. Check the shelf... That's right, all too many times has a spare component or unit been passed over and found a day late. It sounds simple, but it is always the next step. Don't go looking for something that doesn't need to be found.
3. Check with the manufacturer... A website visit, email, or quick phone call to inquire about a a drop-in replacement is common sense. This step will deliver the bad news if obsolescence is indeed the case.
4. Check eBay... Believe it or not, this has become somewhat of a flea market for old industrial parts. By many, it is still considered to be a website for collectibles and the like, but a quick search can actually reveal a different side to the 'bay. Many private sellers post industrial components as a buy it now type listing, therefore bypassing the auction format all together.
Take a moment and browse the eBay listings since they are always changing...
5. No positive results? explore other options... If your particular control coil is ultimately deemed obsolete and unavailable, you'll need to take the next path of least resistance. This may be upgrade or update your equipment with newer components. The good news is that your machinery or industrial equipment will most likely not need complete re-engineering or a top-to-bottom overhaul to accomodate new components. Adjustments to your system are possible when there is no other choice.
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We also offer free industrial classified ad system complete with a category designed for want ads. We strongly encourage those with individual parts for sale, specifically new or vintage control coils, to list them at OI. Ad creation takes only a few minutes and is free of charge.
Those requiring an odd-ball part or obsolete component can place a want ad just as easily, again, with no fees associated with ads. The OI ad system is at your disposal... Place a want ad, list your individual parts for sale, or post a listing for your company here.
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We are a technology based organization. All information regarding control coils has been contributed by a community of industrialists. We do not warehouse parts and components, but provide a means for perspective buyers and sellers to achieve their goals.
See also: DC Magnetic Motor Controllers | Contactors | Relays | Stepper Motors | Stepping Motors | PLC Hardware | Motor Inverters | PLC Racks | Vintage Breakers | Electro-Pneumatic Valves | Electro-Hydraulic Valves | Position Encoders | Position Resolvers | Pulse Coders | Reversing Motor Starters | Variable Speed Drives | Contactor Coils | Gear Motors | Relay Solenoids | Electronic Solenoids | Varidrive Parts | Soft Starters | Servo Amps | Electic Motor Tachs
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