Han Flexbox Connectors HARTING Han Flexbox Connectors are a hood and housing series geared toward simplifying energy-chain connections in PPAL. These connectors are designed for conveyor systems and are compatible with the Han-Modular® Connector System, allowing for the series to be used in highly customizable solutions. HARTING Han Flexbox offers IP54 protection and operates over a -40°C to +125°C temperature range.