Hygrostat Model THC-012M Technical data Model THC-012E THC-012M Switch difference THC-012E 5 percent RH(+-3 percent RH tolerance) at 25 centigrade or 77 Fahrenheit (50 percent RH) THC-012M 4 percent RH(+-3 percent tolerance) Permit sible air velocity: THC-012E NO THC-012M 15m per sec Reaction time THC-012E 5sec THC-012M NO Contact type : change-over contact(relay) Service life more than 50,000 cycles Max switching capacity (relay output) THC-012E 240VAC, 8(1.6)A 120VAC, 8(1.6)A 24DC, 4A THC-012M 25VAC, 5A Optical indicator : THC-012E LED THC-012M NO Connection THC-012E 5 pole terminal, clamping torque 0.5mm, max: rigid 2.5mm2,stranded wire (with wire end ferrule) 1.5 mm2 THC-012M 3 pole terminal, clamping torque 0.5mm max:rigid 2.5mm2, stranded wire(with wire end ferrule) 1.5mm2 Mounting clip for 35mm din rail Casing Plastic according to UI94V-0 light grey Dimensions(w/d/h) THC-012E 64.5/42/38mm THC-012M 67/50/38mm Weight: THC-012E 70g THC-012M 60g Fitting position : THC-012E vertical THC-012M variable Operation or storage temperature: THC-012E 0 to 60 centigrade or -20 to 70 centigrade THC-012M 0 to 60 centigrade or -40 to 60 centigrade Max. storage humidity Max 90 percent RH