Multipin

Silver and Silver-Nickel Contacts Provide Superior Conductivity

Most MELTRIC Multipin device contacts have solid silver-nickel contact surfaces to ensure long-term electrical performance. The contacts’ 85% silver and 15% nickel composition combines the durability of nickel with the excellent conducting properties of silver. The receptacle contacts in PN12c and DSN12/24/37c devices with lower current interrupting requirements are silver-plated copper.

• The silver and silver-nickel contacts provide significant advantages over the brass materials used on most other types of plugs and receptacles:
• Silver and silver-nickel maintain low contact resistance and superior electrical properties even after oxidation and tarnishing.
• The silver-nickel material used on all plug contacts withstands arcing very well and only welds at extremely high pressure and temperature and thus allows good current interrupting capabilities.
• The hardness of nickel gives the silver-nickel contacts excellent wear resistance.
• Silver and silver-nickel both perform well in and withstand wet and corrosive environments.

The combination of silver/silver-nickel contacts with a spring-loaded butt-style design makes MELTRIC Multipin contacts ideal for repetitive making and breaking of connections and for long-term exposure to harsh environments.

Available on All Multipins except the PN7c and PN12c

Most MELTRIC Multipin devices can be disconnected simply by depressing the OFF, or release, button. This automatically ejects the plug to the OFF, or rest, position. The plug can then safely be removed by rotating it 30° counterclockwise and withdrawing it from the receptacle. 

Push-button disconnection is provided on the DSN12c, DSN24c, DSN37c, DN9c, DN20c, DS7c and DR7c. Dual-pawl stainless steel cased DS24c and DS37c devices automatically eject, but both pawls must be depressed simultaneously. PN7c and PN12c multipin devices do not have release buttons; the plug must be manually rotated and withdrawn from the receptacle.

Used on PN7c, DN9c, DN20c, DS7c, DR7c

On traditional plugs and receptacles, the loosening of terminal screws is a common cause of failure. MELTRIC multipin devices with screw terminals have a patented, spring-assisted design that provide more permanent and secure conductor connections.

As the terminal screw is tightened, pressure is generated against the conductor and causes the split-terminal body to expand and elliptically deform the spring ring around the terminal. Since the spring ring wants to return to its original circular shape, it exerts a constant pressure against the terminal and conductor. This keeps the terminal screw securely in place and helps compensate for strand settlement and conductor yield, while also providing superior resistance to the effects of vibration, shock, and thermal cycling.

MELTRIC provides a wide variety of mounting angles, handles, and wall boxes allowing its Multipin devices to be used in wall box receptacle, in-line, direct equipment mounted, cord drop, panel mounted, flexible conduit, and other installation configurations. Adapter plates are also available to mount MELTRIC Multipin devices to existing competitive backboxes. This all makes it easy to locate a plug and play connection wherever it is helpful and convenient.