Amphenol Industrial Global Operations has released a new H4 connector, the first 8 AWG PV connector rated by UL for use up to 1000 V. It can accommodate larger cable sizes, allowing for more efficient DC system layout designs as well as reduced BOS (balance of system) component and equipment costs. The new product uses the existing mating interface as Amphenol’s current H4 connector making it easy to mate to all other wire gauges.
It can be integrated into PV cable assemblies in a factory environment or installed on the job site. It is desighed for use by installers, developers, module manufacturers, combiner box companies and engineering procurement construction (EPC) firms in large scale utility and commercial PV installations. The UL certification to 1000 V allows for streamlined approval by local PV inspectors and financiers.
Martin Booker, general manager of Amphenol Industrial Global Operations, said, “Other manufacturers offer field-installable PV connectors that are only rated to 600 V by UL with an AWG smaller than 8. All our H4 PV connectors are UL-rated to 1000 V, and we’re pleased to now offer an 8 AWG version to help lower overall BOS costs. This is especially important in the North and South American markets as well as some markets in India and the Middle East where UL is recognized as the standard for safety and performance and large PV installations are becoming the norm.”
Booker continued, “Module manufacturers selling UL 1000 V rated PV modules are interested in providing their customers with mating option choices. Our 8 AWG connector allows the manufacturers to do that by increasing layout design options, thereby lower the amount of total copper in the PV system interconnection.”
Amphenol’s H4 connectors feature RADSOK technology, offering the highest current ratings and lowest contact resistance resulting in lower power losses and improved reliability. They are compatible with industry standard connectors. The RoHS-compliant Amphenol H4 8 AWG connector also meets NEC 2008 requirements without the need for extra locking collars or sleeves. The connector uses a simple unlocking tool for easy unmating in the field.