CEE 4-Pole (3P+E) Connectors

CEE 4-pole (3P+E) connectors carry three-phase power with three line conductors plus a protective earth, without a neutral conductor. The "3P+E" designation means three power poles (L1, L2, L3) plus one earth pole. This configuration is used when the connected load operates solely on three-phase power and does not require a neutral reference: three-phase motors, balanced three-phase heating elements, and dedicated three-phase equipment. Without the neutral conductor, the 4-pole format offers a more compact connector compared to the 5-pole variant while still providing full three-phase capability. KUPO's 4-pole CEE range is available in the 400V red voltage class at 16A and 32A ratings, covering plugs, connectors, receptacles, and inlets.

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IEC 60309 Color Code and Clock Position