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Molex's PV panel DC connectors get certified

Posted: 14 May 2012 ?? ?Print Version ?Bookmark and Share

Keywords:DC connectors? PV panels? NEC 2008? NFPA 70 US code?

Molex Inc. has announced the certification of its SolarSpec panel-mount DC connectors. The connectors, which feature an internal locking and touch-proof design, are certified to applicable IEC standards and endorsed by the TUV and UL approval agencies. They also feature a retention nut mechanism to ease assembly to PV panels and ensure reliable cable connections for internal inverter wiring.

The panel-mount DC connectors for solar inverters work with the company's other products including a junction box for silicon PV panels, crimp terminal DC connectors for direct attachment to solar junction boxes, field installations and PV grid wiring and DC cable assemblies.

They are compliant with IEC, NEC 2008 (690.33) and the NFPA 70 US code. They offer an interlocking mechanism that protects against accidental and unauthorized decoupling of the connector during field application and provides for reliable connection and safe handling. The contact resistance of the connectors is less than 0.5m, and they handles as much as 30A, accommodating 2.5mm2 and 4 to 6mm2(14 AWG and 12 to 10 AWG) cable. They have polarized panel cutouts to prevent rotation of the connectors and ensure no cross-assembly of male and female connectors when applied to the bulkhead panel.

The connectors are IP67-sealed to protect against dust and water. The housing body is resistant to UV and ozone damage. The touch-proof safety design protects installers and maintenance engineers from electrical current even during mating and decoupling operations. The connectors feature exclusive molded surface ribs to allow secure gripping, especially while wearing work gloves.

For ease of assembly, a simple nut mechanism on the SolarSpec panel-mount DC Connector is tightened using a standard wrench to secure it onto the bulkhead of the inverter panel. For additional security, a Molex field service tool is required to disengage the latch when unplugging. Another attractive feature is that the same Molex application tooling is suitable for both the panel mount and standard DC crimp terminals. This includes the hand crimp tool and the Mini-Mac bench applicator.

Production volumes of the panel mount connector are now available from Molex and its distribution channels.

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