Amphe-309 Power Connectors Amphenol Industrial Amphe-309 Power Connectors feature IP44- and IP67-rated devices from 16A up to 125A. These Amphenol Industrial connectors include plugs, connectors, receptacles, inlets, and mechanical interlocks. Amphe-309 connectors meet IEC 603 09-1 & 2, EN 60 309-1 & 2, BS 4343-2 1992, and UL 1682 & 1686 requirements. This power connector series covers all clock positions used in low profile, watertight, and heavy duty solutions. Amphe-309 connectors serve a variety of commercial and industrial applications, including data centers and servers, commercial and agricultural installations, and lighting and audio power.