D I S C T H E R M O S TAT S Snap A c t i o n D i s c T h e r m o s t a t s -- Automatic Reset STO-160 Opera t i n g S p e c i f i c a t i o n s STANCOR Part Sec. Number Operating Range1 F C Common Ratings Function 2 Differential 3 A STO-60 55 to 65 13 to 18 Opens 20F 12C STO-85 80 to 90 27 to 32 Opens 15F 8C STC-100 93 to 107 34 to 42 Closes 30F 17C STO-110 105 to 115 41 to 46 Opens 30F 17C B STO-120 115 to 125 46 to 52 Opens 30F 17C STC-120 113 to 127 45 to 53 Closes 30F 17C STO-140 135 to 145 57 to 63 Opens 30F 17C STC-140 133 to 147 56 to 64 Closes 30F 17C C STO-150 145 to 155 63 to 68 Opens 30F 17C STO-160 155 to 165 68 to 74 Opens 30F 17C STO-170 165 to 175 74 to 79 Opens 30F 17C STC-170 162 to 178 72 to 81 Closes 30F 17C STO-175 170 to 180 77 to 82 Opens 15F 8C D STO-180 175 to 185 79 to 85 Opens 30F 17C STC-180 172 to 188 78 to 87 Closes 30F 17C STO-190 185 to 195 85 to 91 Opens 30F 17C STO-210 204 to 216 96 to 102 Opens 30F 17C STO-220 214 to 226 101 to 108 Opens 30F 17C E STC-225 217 to 232 103 to 111 Closes 30F 17C STO-230 224 to 236 107 to 113 Opens 30F 17C STC-240 229 to 251 109 to 122 Closes 100F 56C STO-250 244 to 256 118 to 124 Opens 30F 17C STO-325 315 to 335 157 to 169 Opens 50F 28C 1 - Operating Range: R ange of temperature at which disc thermostat performs switching function. Load 120 VAC 240 VAC Resistive 15 Amps Inductive 3.0 FLA - 12.0 LRA Pilot Duty 125 VA .145 .004 Dia. 2 Holes .938 .010 46 1.230 .020 1/4" quick Connect terminals .290 .020 1.320 .020 .370 .020 .690 .020 www.stancor.com Weight Agency (oz.) Certif. 10 Amps 1.23 1.32 0.37 0.2 1.5 FLA - 6.0 LRA 125 VA Agency Certification Note: U L Recognized (File E19279 and MH-5304) CSA Certified (File LR19988) VDE Licensed 2 - Function: * Opens - Normally closed circuit - opens within specified temperature range. * Closes - Normally open circuit - closes within specified temperature range. 3 - Differential: T emperature drop below operating range minimum necessary for disc to reset. DIMENSIONS INCHES Case L W H .020 REF. UL CSA VDE