White Paper | Pin & Sleeve Connectors
BENEFITS OF PIN AND SLEEVE CONNECTORS OVER STANDARD TWIST LOCK
W H I T E P A P E R
By Raj Desai Product Manager, LAPP
These male-female connections are well-suited for supplying power in a wide range of equipment such as welders, motor gen-sets, compressors, conveyors and portable tools and lighting. They’re also good for matching high-current power sources with the right equipment and integrate with switched and fused interlock receptacles in wet or corrosive environments. Pin and sleeve connectors have plenty of other benefits that give them the edge over standard twist lock. Their rugged design provides heightened durability and a click-lock housing makes assembly fast and easy. Male plugs are surrounded by a shroud to protect the contact pins. These pins are exposed to the environment in most NEMA plugs. In addition, pin and sleeve connectors have more configuration options than twist lock, and they’re color-coded for different amps—between 20 and 100 in the United States. NEMA twist lock sockets don’t have color coding. Whether you’re designing machines for international customers, specifying mobile power solutions on the factory floor or planning outdoor power distribution systems, these connectors and mechanical interlock switches are a safe and cost-effective option for your wiring requirements.
Y ou’re likely familiar with twist lock cable connectors—they’re the National Electrical Manufacturers Association (NEMA) standard. However, there’s a lesser-known advanced cable connector that’s common in Europe, but has yet to find its place in the United States: the pin and sleeve connector. In a nutshell, pin and sleeve connectors seal power connections and insulate power delivery from moisture, grime and chemicals. They’re designed to prevent disconnecting under load, and are often used for applications with abusive environments. Pin and sleeve devices range from metal-housed products to high impact-resistant plastic products with varying designs.
Pin and sleeve connectors come with more configuration options than NEMA twist lock plugs.
LAPP 29 Hanover Road, Florham Park, NJ 07932 T. 800 774 3539
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