Single & DoubleSingle & Double Switch Switch ModulesModules ESM / DSMESM / DSM The single switch module ESM and the double switch module DSM are ready-to-install units, consisting of: ESM Switches: K12 (for both ESM or DSM) K12G (DSM only with two DSM switching-points) PVA1H4 (ESM only) PC board Rubber cap Optional cable or connector The rubber cap offers the possibility to use both switch modules under severe ambient conditions where Technical Data Cap Material Silicone rubber dust, water, oil, solvents etc. can Protection Level IP 65 (with cap when mounted) effect or destroy the function of Cable FLK/FLY 0.5 mm standard switches. Switches K12 (both ESM or DSM) With the rubber cap the two modules K12G (DSM only, two are sealed to IP 65 when mounted. switching-points) PVA1H4 (ESM only) Typical Applications Operating Travel (mm/inch) Tractors force K12 5 N 1 / 0.039 Harvesting equipment K12G 3.5 / 7 N 1.5 / 0.0591 Industrial controls PVA1H4 3 N 2.2 / 0.087 Ordering code 12 3 4 6 7 8 Example DSM K12 1 5N C L130 Pu Po 1 Designation ESM = single switch module DSM = double switch module 2 Switch K12 = (for ESM and DSM) K12G = with 2 switching-points (DSM only) PVA = PVA1H4 (ESM only) 3 Travel of Switch 1 = 1 mm (K12) 1.5 = 1.5 mm (K12G) 2.2 = 2.2 mm (PVA1H4) 4 Operating force 5N = 5 N (K12) 3.5N = 3.5 / 7 N (K12G) 3N = 3 N (PVA1H4) 6 Cap N = none C = with cap 7 Cable - = none L130 = 130 mm cable length 8 Cap decals (DSM)* - = none P = arrows: U (down), O (Up), L (left), R (right) * see drawing overleaf M-SM-0744 www.ck-components.comSingle & DoubleSingle & Double Switch Switch ModulesModules ESM / DSMESM / DSM ESM single switch with K12 ESM single switch with PVA1H4 DSM double switch module with K12 Layout 1 Layout 2 Layout 3 Layout 4 Layout 5 Layout 6 M-SM-0744 www.ck-components.com