Key Switches Key Switch operators with Ronis n° 455 keys or E10 Key Stayput or spring return operation All types require contact blocks, for suitable contact blocks see stock no. 351-3795 typically Standards IEC 947-1, IEC 947-5-1, IEC 947-5-4, EN 60947-5-1, JIS C 4520 and 852, UL 508, CSA C22-2 n° 14 Schneider Electric Style 9 Harmony ® Metal 30mm Range A selection of Harmony Style 9 chromium plated metal control and signalling units designed for use in the most extreme environments. Enhanced oil, dust and water tight-ingress protection IP66/ NEMA 4/4X Extremely robust - suitable for harsh environments Maximum panel thickness 6mm Fast installation - one screw contact block fixing and automatic earthing Screw clamp terminal finger protected contact blocks / lampholders to IP2X Superbright LED technology - 100000 hour life and resistant to the effects of vibration
