Mechanical Temperature Switches - Barksdale - #14

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Specifications are subject to changes without notice. 11 / 05 KTM-US 923-0876 01/1 P11 Local mount type Technical Data Mechanical Temperature Switches Features - Dual switch with remote sensor and weatherproof housing - integrated terminal strip and covered set point adjustment - Protection class IP65 - For use as two-position controller optional with one microswitch for temperature control with adjustable hysteresis - The second contact can also be used for max.- or min.- monitoring or for sensor monitoring - Optional for 1st contact: - Manual reset G-microswitch - Adjustable hysteresis (reset difference) S-microswitch - Option Thermowell: W = brass , WS = CrNi-steel SS316Ti, 1.4571 Measuring Ranges -54...+24 °C to +149...+232 °C Applications Temperature monitoring in industry, shipbuilding, railcars 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 (optional with RD manual reset for the 1st switching contact only) 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 : 3/4“ 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. 1,5 kg L2H