Mechanical Temperature Switches - Barksdale - #12

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Specifications are subject to changes without notice. 11 / 05 KTM-US 923-0876 01/1 P9 Local mount type Technical Data Features - Single switch with remote sensor - Weatherproof housing - Covered terminal strip and set point adjustment - Protection class IP65 - Optional: - Manual reset G-microswitch - Adjustable hysteresis (reset difference) S-microswitch - Thermowell in VA and brass 3/4“ NPT Option thermowell: W = brass, WS = CrNi-steel SS316Ti, 1.4571 Measuring Ranges -45 °C...+24 °C to +66 °C...+232 °C Applications Temperature monitoring in machine and machine tool industry, shipbuilding, antifreese, heating systems, compressor monitoring Housing material : Die-cast aluminum Process connection : Standard 1/2“ NPT, Option W/WS 3/4“ NPT Temperature sensor rmaterial : Standard: brass / copper, model S: CrNi-steel (304SS, 1.4301), pressure values see table on page 16 „Accessories“ Electrical characteristics : All models are SPDT Microswitch : H, M, GH, GM (G only with RD-model), S (adjustable hysteresis), J (microswitch with O-Ring seal) Contact rating : - AC: 125 V AC to 250 V AC, 10 A 480 V AC, 3 A - DC: 6 V DC to 24 V DC, 0,5 A Electrical connection : 1/2“ NPT female, internal screw terminal, cable gland in PA, range 6...12 mm is provided Protection class : IP65, intrinsically safe acc. EEx ia II C for gases and dust Set point adjustment : Turn adjustment knob clockwise to increase actuation point Standards : The instruments fullfill the requirements of following harmonized european standards: EN 60014 1977 + A1 to A4 and EN 500120 1977 + A1 Electrical characteristics : Umax = 28 V DC or 20 Veff, Imax = 50 mA DC or 35 mAeff Exi-model To comply with the intrinsically safe approval, IS curcuits with the following maximum ratings have to be used: Umax = 28 V and Imax = 50 mA Approvals : Various approvals on request Weight : appr. 750 g Mechanical Temperature Switches ML1H