White Paper | Pin & Sleeve Connectors

Many of the higher current carrying IEC 60309 connectors for use in electrical interlock systems include pilot pins. The pilot pin contact disconnects before all other connections. When wired to an electrical interlock, this disconnect signals the electrical interlock to shut off power. This ensures that power is safely disconnected before the plug and connector are disengaged, eliminating the potential of dangerous arc flash. A clocking system defined in IEC 60309 prevents the mating of products of different configurations. The system defines the location of the ground pin relative to the keyway on the outside of the plug or connector. For the pins themselves, the ground pin is located at a different location, depending on the voltage. For instance, this ground pin will assure that a person doesn’t accidentally place a 120V plug into a 480V source connector. LAPP offerings. One good example of pin and sleeve connectors that meet all these safety standards are LAPP USA’s EPIC® MULTIMAX and CEE models. 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. The UL-approved North American versions are available for 20, 30, 60 and 100 amps, while the international-rated devices are good for 16, 32, 63 and 125 amps. Both types meet IP44 for splash proof and IP67 for watertight.

IEC 60309 defines a family of connectors for equipment in domestic and international markets. With a design focused on operator safety, IEC 60309-compliant products meet global standards and ensure compatibility, regardless of the manufacturer or origin country. The standard specifies five devices: plugs, connectors, receptacles, inlets and mechanical interlock switch receptacles. Plugs are designed in such a way that they can’t be inserted into the wrong outlet type. Each pin and sleeve design is unique to a voltage designation, thereby eliminating the possibility of accidentally using the wrong voltage in an application. IEC 60309 connectors and socket outlets feature hinged, spring-loaded covers that snap into place once the plug is removed, reducing the risk of foreign objects entering the contacts. The hinged cover also serves as a locking mechanism to assure that once the plug and socket are mated, they won’t uncouple.

APPLICATIONS:

FOOD AND BEVERAGE: • Bottling plants • Fryers • Conveyors • Food processing equipment

MANUFACTURING PLANTS: • Drop down power cord

• Welding machines • Portable lighting • Power for motors

SHIPPING PORTS:

• Power supply for forklifts • Mechanical Interlock switches for power distribution along port • IP67 for outdoor use. TOOL MACHINE SUPPLIERS: • Frequent splashing of oil during cutting processes • High vibration levels • Frequent insertion and extraction of plugs from sockets • Cleaning processes with water cleaning machines

Ground Pin Location (NA 3Wire: 2+PE and 1+N+PE)

LAPP 29 Hanover Road, Florham Park, NJ 07932 T. 800 774 3539

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