Mechanical Temperature Switches - Barksdale - #8

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Specifications are subject to changes without notice. 11 / 05 KTM-US 923-0876 01/1 Technical Data Mechanical Temperature Switches P5 Features - Single switch T1X, T1X-Ex and dual switch T2X, T2X-Ex with remote sensor - Weatherproof housing - Covered terminal strip and set point adjustment - Protection class NEMA 4 / 7 / 9 - Optional: - T2X: Manual reset, G-microswitch with one contact, - T1X: Adjustable hysteresis (reset difference), S-microswitch with one contact - Special version for track heating systems with ratings up to 32 A / 220 V Measuring Ranges -45 °C...+66 °C to +160 °C...+316 °C Applications Temperature monitoring and control in chemical industry and oil industry, offshore Housing material : Die-cast aluminum Temperature sensor material : Stainless steel (316SS) Temperature sensor : Capillary length 1,8 m or 3,6 m (optional 7,5 m), armoured Sensor without thermowell is applicable up to 21 bar only Electrical characteristics : All models are SPDT Microswitch : H, M, GH, GM, S with adjustable hysteresis 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 : From the terminal strip through a 1/2“ NPT conduit connection (T1X / T1X-Ex) resp. 3/4“ NPT conduit connection (T2X / T2X-Ex) outside. Protection class : NEMA 4 / 7 / 9 (T1X and T2X), intrinsically safe acc. EEx ia II C for gases and dust Ex-Protection class : EEx-d (flameproof) 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. 2 kg with capillary T1X / T1X-Ex / T2X / T2X-Ex