Temperature range 0? to 120?C/ 32?F to 248?F  Diffrential 5% of the temperature range  Safety limiter temperature Fixed 75?C-120?C /167?-248?F  Rating 20A-240V / 15A-400V  Material Bulb and capillary in copper or nickel-plated copper  Capillary length 150 to 3 000 mm / 6 to 118''  Sensing element diameters 4,5,6,6.5 & 8 mm / 5/32,3/16,1/4 and 5/16"  Safety limiter capillary Spiralled or single/ double / triple bent capillary  Maximum head temperature 110?C/230?F  Connections Brass or nickel plated fastons, screw or pillar terminals