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Powerlock

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This article is about electrical connector. For range of tools, see Stanley Black & Decker.
Veam Powerlock - Panel Source connectors mated with Line Drain connectors. 3P+N+E. For scale, the cables are approximately 25 mm / 1" in diameter.
Veam Powerlock - Line Source connectors mated with Line Drain connectors.

Powerlock, also referred to as: power-loc and power-lok, is a single pole electrical connector used by the entertainment industry for high current, low voltage (up to 1000 V AC) applications, similar to but considered safer than camlock connectors. Originally developed by Litton Veam in the mid-1990s, the Powerlock connector introduced safety features that help to protect the user against potentially fatal electric shock as a result of connection errors. Such features include finger proof electrical contacts, colour-coded insulators, mechanical keys and locking devices.

The original Powerlock is available in 400 A and 600 A versions. All versions can be used for single phase and, much more commonly, three phase applications. Three phase connections require five separate cables (or four if neutral is not required). Compatible, non VEAM versions are available in commerce.

The Powerlock style connector can also be used with sequential mating units. These units allow for safe and controlled connection of the single core power cables. These units control the sequence of connection to ensure earth and neutral connections are made before phase connections can be made, thereby improving safety by eliminating connection errors and ensuring safety circuits are always connected.

Applications

Single pole power connectors are employed for making electrical power connections where multi-pole connectors and cables would be impractical to handle due to size, weight and cable bend radius. They are used for typically used for connecting to large generators and fixed power sources in venues where high-powered temporary equipment may be regularly used. Powerlock inputs are available on many large dimmers[1] and on large power distribution units. Common application fields are entertainment, sport events, airports, mining industry, railways industry, military and emergency missions.[2]

See also

References

  1. ^ http://www.avolites.org.uk/products/art2000.htm Avolites Art-2000 Dimmer Unit
  2. ^ http://www.vansystem.eu/english/circular_electrical_connectors_powerline.aspx Vansystem Powerline
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