Star-deltaswitc hSurfac emounting Partno. T0-4-8410/I1 Articleno. 207140 Deliveryprogramme Product range Switch-disconnectors Basic function Star-delta switches Part group reference T0 Design Surface mounting Protection type IP65 Emergency stop without emergency switching off/emergency stop function with black thumb grip and front plate Contact sequence Front plate no. Main conducting paths No. of poles M 3 Max. motor rating AC-23A 400/415 V P kW 6.5 50-60 Hz Rated uninterrupted current I A 20 u General Standards IEC/EN 60947, VDE 0660, IEC/EN 60204, CSA, UL Switch-disconnectors to IEC/EN 60947-3 Load-break switches to IEC/EN 60947-3 Lifespan, mechanical Operations x 0.5 6 10 Maximum operating frequency Operations/3000 h Climatic proofing Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclical, to IEC 60068-2-30 Ambient temperature C Open C - 25 - 50 Enclosed C - 25 - 40 Mounting position As required 06/19/2012 HPL-ED2012 V1.1 EN 1 / 5Mechanical shock resistance to IEC 60068-2-27 Half- g > 15 sinusoidal shock 20 ms Contacts Rated operational voltage U V 690 e AC Rated impulse withstand voltage U V 6000 imp AC Overvoltage category/pollution degree III/3 Rated uninterrupted current I A u open I A 20 u Enclosed I A 20 u Load rating with intermittent operation, class 12 AB 25 % DF x I 2 e AB 40 % DF x I 1.6 e AB 60 % DF x I 1.3 e Short-circuit rating Fuse A 20 gG/ gL Rated short-time withstand current (1 s current) I A 320 cw rms Safe isolation to VDE 0106 Part 101 and Part 101/A1 between the contacts V 440 AC Switching angles 90 60 45 30 Contact units 11 Double-break contacts max. 22 Current heat loss per contact at I W 0.6 e Terminalc apac ities 2 Solid or stranded 1 x (1 - 2.5) mm 2 x (1 - 2.5) 2 Flexible with ferrule to DIN 46228 1 x (0.75 - 1.5) mm 2 x (0.75 - 1.5) Terminal screw M3.5 Tightening torque Nm 1 Switc hingc apac ity AC x U s Rated making capacity cos = 0.35 A 130 Rated breaking capacity, motor load switch cos = 0.35 A 230 V A 100 400 V A 110 500 V A 80 690 V A 60 Rated operational current 440 V load-break switch AC-21A I A 20 e Rating, AC-3 motor load switch P kW 220 V 230 V P kW 4 230 V Star-delta P kW 4 380 V 400 V P kW 5.5 400 V Star-delta P kW 5.5 500 V P kW 5.5 500 V Star-delta P kW 7.5 660 V 690 V P kW 5.5 690 V Star-delta P kW 5.5 AC-23A Motor load switches (main switches maintenance switches) P kW 230 V P kW 3.5 400 V P kW 6.5 06/19/2012 HPL-ED2012 V1.1 EN 2 / 5