Socket with protective contact pin and control LED S.1/B.3/B.7 green, matt. Socket with protective contact pin and control LED 2-pin + earth, with screw lift terminals, control LED lights up when mains voltage is applied, reliable voltage display due to insensitivity to apparent voltages, with increased contact protection. Flush-mounted installation, standard/surface/design range. Material: plastic, thermoplastic, shatterproof, halogen-free.