Type: T021/V/SVB Article No.: 043619 Sales text ONOFF SWITCH Ordering information BMECAT Fotos ProduktgruppenBezeichnung T0... Load current switches Main switches, maintenance switches Design Rear mounting Basic type for ... insert mounting form T021/... Mounting form V/SVB No. of poles M 3 Description As EmergencyStop device General IEC/EN 60947, VDE 0660, IEC/EN 60204, CSA, UL Switchdisconnectors to Standards IEC/EN 609473 Loadbreak switches to IEC/EN 609473 6 Lifespan, mechanical Operations 10 1 Maximum operating frequency Operations/h 3000 Climatic proofing Damp heat, constant, to IEC 60068278 Damp heat, 1cyclical, to IEC 60068230 Ambient temperature Open C 25...50 Enclosed C 25...40 Mounting position As required Mechanical shock resistance to Halfsinusoidal g > 15 IEC 60068227 shock 20 ms Contacts Rated operational voltage U V AC 690 e Rated impulse withstand voltage U V AC 6000 imp Overvoltage category/pollution III/3 degree Rated uninterrupted current open I A 20 u Enclosed I A 20 u Load rating with intermittent operation, class 12 AB 25 % DF I 2 e AB 40 % DF I 1,6 e AB 60 % DF I 1,3 e Shortcircuit rating Fuse A gG/gL 20 Rated shorttime withstand I A 320 cw rms current (1 s current) Safe isolation to VDE 0106 Part 101 and Part 101/A1 between the contacts V AC 440 90 60 Switching angles 45 30 Contact units 11 Doublebreak contacts max. 22 Current heat loss per contact at W 0,6 I e Terminal capacities 1 (1 2.5) 2 Solid or stranded mm 2 (1 2.5) Flexible with ferrule to DIN 1 (0.75 1.5) 2 mm 46228 2 (0.75 1.5) Terminal screw M3.5 2