Uxcell JR36-20 3 Phase 1NO 1NC 4.5-7.2 Amp Range Electric Thermal Overload Relay Product name : thermal overload relay; model : jr36-20; contact Type : 1No 1Nc; pole Number : 3 pole Thermal relay rated current : 20A; adjusting current range : 4.5-7.2A; rated insulation Voltage : 690V; ui : 380V Ith : 10A; ac-15 : 180Va 10A; fixing holes size : 6 x 4.5Mm/0.24" x 0.2"(L*w) Fixing holes center distance : 38Mm/1.5"; overall size (approximate) : 70 x 47 x 75Mm/2.8" x 1.9 inch x 3 inch (L * w * t); material : plastic, metal, electronic components Color : Black; net weight : 178G; Package Content : 1 x thermal overload relay