Stahl - Catalog - STAHL - #1051

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10/2 10 General Catalogue18.01.2006 Load and Motor Switches Series 8511 Selection table Version Schematic Description Rated current P at 400 V AC 3 Compression glands Ordering code Weight kW kg 8511 Load and motor switches 08790E00 ON-OFF switches (0 - I) 3-pole with N-terminal 16 A 7.5 2 x M 25 x 1.5 8511/1-102 1,400 25 A 11 2 x M 32 x 1.5 8511/1-103 1,900 08791E00 ON-OFF switches (0 - I) 4-pole 16 A 7.5 2 x M 25 x 1.5 8511/1-602 1,500 25 A 11 2 x M 32 x 1.5 8511/1-603 1,700 08792E00 Reversing switch (1 - 0 - 2) 3-pole 16 A 7.5 2 x M 25 x 1.5 8511/1-502 2,400 25 A 11 2 x M 32 x 1.5 8511/1-503 1,500 Add. to ordering code Modifications to standard design are available, e.g. red handle with yellow collar for EM-STOP function, different cable entries – specify on order Technical Data Explosion protection Gas explosion protection EII 2 G EEx ed IIC T6 Dust explosion protection E II 2 D IP65 T 80 °C Certificates Gas explosion protection PTB 01 ATEX 1024 (certificate type 8146/5) Dust explosion protection LCIE 02 ATEX 6241 (see type 8146/5) Other certificates CSA (Canada); FM, UL (USA); VNIIEF (Russia) Main contacts max. 8-pole Type/Size 8511/1-.02 16A 8511/1-.03 25A Rated working voltage 690 V , AC 690 V , AC Rated operating current 16 A 25 A Switching capacity AC 3 to IEC / EN 60 947 AC 3 to IEC / EN 60 947 Back-up fuse 50 A, gL 50 A, gL Terminals 4/6 mm2, flexible/solid 6/10 mm2, flexible/solid Housing polyester Switch handle in 0-position padlockable in 3 positions Colour: handle black, collar black Special: red handle, collar yellow (EM-STOP function) Degree of protection IP 65 Life > 105 Operations Ambient temperature - 20 °C ... + 40 °C U P 230 V 400 V 500 V 690 V 4.0 kW 7.5 kW 7.5 kW 11 kW U P 230 V 400 V 500 V 690 V 5.5 kW 11 kW 15.0 kW 22.0 kW