Page 418 - Demo

388Part Number Static Torque Nm (inlbf)Type A Type B Forward N•m (in•lbf) Reverse Nm (inlbf)ST-12C-200FA1-33 ST-12C-200FB1-33 2.3 (20) 1.5 (13.6)ST-12C-280FA1-33 ST-12C-280FB1-33 3.2 (28) 2.2 (19.1)ST-12C-360FA1-33 ST-12C-360FB1-33 4.1 (36) 2.8 (24.6)ST-12C-440FA1-33 ST-12C-440FB1-33 5 (44) 3.4 (30)ST-12C-200RA1-33 ST-12C-200RB1-33 1.5 (13.6) 2.3 (20)ST-12C-280RA1-33 ST-12C-280RB1-33 2.2 (19.1) 3.2 (28)ST-12C-360RA1-33 ST-12C-360RB1-33 2.8 (24.6) 4.1 (36)ST-12C-440RA1-33 ST-12C-440RB1-33 3.4 (30) 5 (44)ACTUAL SIZE20 in•lbf20 in•lbfTorque in•lbfHigh torque rotationLow torque rotation- 90˚ 0˚ 90˚ Rotation angleNominallow torqueNominalhigh torqueAs shippedwww.southco.com/ST38.5±0.5(1.52±.02)2 x Ø 4.2 (.17)2 x Ø 4.2 (.17)Counterbore both sidesØ 8 (.31) 4.2 (.17) deep55.6 (2.19)12.7 (.50)81(3.19)5.1(.20)4.7(.19)12.7(.50)5 (.20)50.9(2.0)90˚ Maximumrotation90˚ MaximumrotationREVERSE ROTATIONFORWARD ROTATIONREVERSE ROTATIONFORWARD ROTATION12 ±0.1(.472±.004)4 x Ø 4.2±0.1(.165±.004) 27 (1.06)15±0.1(.591±.004)11.05±0.1 (.435±.004) 16±0.1(.630±.004)Hinge centerlineAxialRadialType AType BDimensions in millimeters (inch) unless otherwise stated• Counterbalance spring allows easy opening• Space efficient design provides high torque in minimum space• Constant torque, never needs adjustingMaterial and FinishZinc alloy and steel, naturalPerformance DetailsRadial load:Maximum static load:1000 N (225 lbf)Axial load:Maximum static load:1200 N (270 lbf)Cycle performance:20,000 cycles within ±20% of static torque specificationInstallation Notes1. Install hinge using M4 (No. 8)socket head cap screw.2. For proper function, assembly must include (1) type A and (1)type B hinge.3. Application must limit rotation±90˚ from shipping position.ApplicationPart NumberSee tableST-12C HingePosition control · Constant torque · Counterbalanced