Page 408 - Demo

380Door17.1±0.2 FrameAxialRadial10±0.224±0.212 Ref10±0.2Ø3.5±0.2ACTUALSIZESymmetric Torque VersionPart NumberStatic Torque (forward and reverse)N•m (in•lbf) M3 Thread Stud Thru HoleType A Type B Type A Type BST-8A1-40SA-50 ST-8A1-40SB-50 ST-8A-40SA-50 ST-8A-40SB-50 0.45 (4)ST-8A1-60SA-50 ST-8A1-60SB-50 ST-8A-60SA-50 ST-8A-60SB-50 0.68 (6)ST-8A1-80SA-50 ST-8A1-80SB-50 ST-8A-80SA-50 ST-8A-80SB-50 0.9 (8)Asymmetric Torque VersionPart NumberForward TorqueN•m (in•lbf)Reverse TorqueNm (inlbf) M3 Thread Stud Thru HoleType A Type B Type A Type BST-8A1-40FA-50 ST-8A1-40FB-50 ST-8A-40FA-50 ST-8A-40FB-50 0.45 (4) 0.27 (2.4)ST-8A1-60FA-50 ST-8A1-60FB-50 ST-8A-60FA-50 ST-8A-60FB-50 0.68 (6) 0.41 (3.6)ST-8A1-80FA-50 ST-8A1-80FB-50 ST-8A-80FA-50 ST-8A-80FB-50 0.90 (8) 0.54 (4.8)ST-8A1-100FA-50 ST-8A1-100FB-50 ST-8A-100FA-50 ST-8A-100FB-50 1.13 (10) 0.68 (6)ST-8A1-40RA-50 ST-8A1-40RB-50 ST-8A-40RA-50 ST-8A-40RB-50 0.27 (2.4) 0.45 (4)ST-8A1-60RA-50 ST-8A1-60RB-50 ST-8A-60RA-50 ST-8A-60RB-50 0.41 (3.6) 0.68 (6)ST-8A1-80RA-50 ST-8A1-80RB-50 ST-8A-80RA-50 ST-8A-80RB-50 0.54 (4.8) 0.9 (8)ST-8A1-100RA-50 ST-8A1-100RB-50 ST-8A-100RA-50 ST-8A-100RB-50 0.68 (6) 1.13 (10)Dimensions in millimeters (inch) unless otherwise statedST-8A HingePosition control · Constant torque• Holds in every position• No adjustment required• Long cycle lifeMaterial and FinishZinc alloy, black paintPerformance DetailsCycle performance20,000 cycles within ±20% of static torque specificationInstallation NotesThread stud install with M3 nuts (not supplied)Thru hole install with M3 (No. 4) screws (not supplied) To ensure proper function, assembly must include a minimum of one Type A and one Type B hinge54(2.13)33.6 (1.32)18.5(.73)14.5 (.57)9.1 (.36)3.5(.14)4.6 (.18)9 (.35)17.1±0.1 (.67±.004)10±0.2(.39±.008)24±0.2(.94±.008) 12 (.47)10±0.2(.39±.008)Ø 3.5±0.1(.14±.004)M3(optional)REVERSE ROTATIONFORWARD ROTATIONREVERSE ROTATIONFORWARD ROTATIONwww.southco.com/ST1Type A Type BPart NumberSee tableThru Hole Version Shown Thread Stud Version Shown