HARTING connectivity units and how they work with UL508A panels

HARTING connectors are approved according to PVVA/2 (UL2237) standards.

It used to be a hassle to use connectors on UL508A cabinets, so panel builders would use older hard-wiring solutions. Today, HARTING Canada makes it easy to connect its products with UL508A panels, with the help of American safety organization Underwriters Laboratories (UL). UL sets the industry standards for commercial and consumer use, and HARTING connectivity units are approved according to PVVA/2 (UL2237) – standards acceptable for use on these panels.

Focus on customer needs, safety

HARTING did not have to create a new series of connectivity units to pass this testing. With its innovative process and focus on customer needs and safety, the company’s existing product series already met PVVA/2 requirements. UL does not require an end user/control-panel builder to “procedure-describe” how to use these connectors, as the upgrade from UL1977 means that HARTING connectors are automatically usable on UL508A panels. Customers no longer need to open a separate UL investigation project to use these products.

Branch, power, and control circuits can all be connected on UL508A panels, in addition to Class 2 Control circuits. Customers save time and reduce costs by implementing reliable connectivity units in this way. Additionally, HARTING connectors now have a Short Circuit Current Rating (SCCR) between 5kA and 65kA, meaning they have been tested to SCCR levels to mitigate overload and overheating and/or to cause extreme damage, so users can connect power circuits with minimal safety risk.

If a customer uses a non-HARTING connector that meets an older UL1977 specification on a panel that requires UL508A approval, the worst-case scenario is that UL will deem the connector inappropriate for the application – so the panel will require redesign. In the best-case scenario, UL will deem the connectors acceptable, but even this result may be costly in terms of time, testing, and management. Users can skip the entire process by using HARTING connectors that are compatible with UL508A panels, since UL has already done all the work.

Watch the video below for more on HARTING solutions for UL508A applications:

For more information, contact HARTING.

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