G24q-3/GX24q-3 sockets External thread 40x2.5 IEC 60399 Housing: PBT GF, white, T140, Nominal value: 2/500 Double plug-in terminals: 0.5-1qmm (lamp circuit) Single plug-in terminals: 0.5-1qmm (starter circuit) Front through holes for M3 screws Central through hole for M3 screw Anti-twist cams For push-on caps For screw rings, Design: screw socket, Fastening type: screw fastening, Material: plastic, Socket: other, Color: white, With starter holder: No