ABB Polohové spínače

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 51 z 238

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Poznámky redaktora
• Capability for strong current switching (conventional thermal current A)...P.. • Opening guaranteed the "N........C.......... M etal casing ........ (LS4.......O. N... Withdrawal the small latch (key) by opening the mobile protector causes immediate stopping the machine drive.................................Zb verlapping early make (for 1N.............5 cable gland • (LS31P/M) cable inlet cable gland • (LS32P/M) cable inlet ISO cable gland • (LS33P/M LS43P/M) cable inlet for ISO cable gland • (LS35P) cable inlet 1/2" NPT plastic adaptor • (LS35M LS45P/M) cable inlet for 1/2" NPT cable gland Suitable for conduit connection only with use adaptor sleeve optionally provided anufacturer (on request) Type Example S L S 3 1 Casing width: .....C.......... only) Snap action: B Snap (for N............P), screws (L3.. 1 cable inlet 1/2" NPT cable gland.M ..... 8 - ' .P/M only) • Positive opening operation @ • Snap action (only blocks contacts) • Slow action • The contacts are electricaly separated________ Connecting term inals • 3.................O.....C...........M LS4.... contacts only) O perating heads: (see panorama) 80 ........., 1 N.-S (40 width) safety limit switches with key, which are made aluminium alloy, have degree protection IP66...-S • Closed using screws LS4...... LS3.. 1 cable inlet cable gland ..Safety Limit Switches with Small Latch (Key) Double Insulation Plastic Casing IP65 and Width Metal Casing IP66 and Width Applications Easy use, the limit switches with small latch (key) offer specific qualities: • Visible operation..M) and screws (L4......M.-S • Closed using screws LS3..1 N............. N..M.M) and 5 small latch (key) options (for LS4.........P LS3...... contacts 03 ........... contacts (LS4.............................. contacts (LS4.P LS4.... 1N.5 (+,-) pozidriv screw (Screw head with captive cable clamp) 7 small latch (key) options (for LS3.....C..... 2 operating head options: • Adjustable every 90° assem bled using screws (L3......... N..............................-S • Self clipping LS4.... contacts only) Dependent (slow) action: L ... • Associated with other standard limit switches and safety switching devices, they produce automatic control circuits meeting standard 954-1.........M) • Pivoting from 360° ith screw (LS3.......C. Safety device C ontact types: 11 . 1 cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPT cable gland (LS35M). Use sliding pivoting protectors (covers, cases, doors, grids, etc... Continuously pivoting from 360° (LS3..... • Immunity electromagnetic disturbances............1 N...............)........M only) 42 LS 5 4 1SBC141157CG2G2 ....... E P lastic casing........... only) 0 . Casing width: .....P.......... 1 cable inlet ISO cable gland ............ N......C.. Description LS3................. N.................2 N. LS4......5 cable gland ..................M.-S (30 width) and LS4..M only) • 3................. Slow ultaneous D Non-overlapping late make C ...-S O piece sealing gasket ensure tightness Electrical connection: • (LS30P/M LS40P/M) cable inlet for 13.........., N. LS4.. orLS4.....5 (+,-) posidriv screw (Screw head ith captive cable clamp) • arking conform IEC 60947-1, IEC 60947-5-1, EN 50005 and 50013 standards Terminal protective conductor placed near the cable inlet and arked: (LS3... These specific features make the limit switches ideal for monitoring and protection industrial machines without inertia which down-time less than access time the dangerous area.C.........P), screws (L4...-S (40 width) safety limit switches with key, which are made fibre-glass reinforced UL-V0 thermo­ plastic material, offer double insulation [□] and degree protection IP65..... • They contribute protection operators working dangerous machines, opening the control circuit.....O..................... 1 cable inlet ISO cable gland ..........O... • Electrically separated contacts." contact(s) when the small latch withdrawn from the limit switch......5 cable gland ....... 1 cable inlet ISO cable .. • Contact blocks with dependent action and positive opening operation the "N.....................................O.. contacts 12 ..................P..................-S (30 width) safety limit switches with key, which are made zinc alloy (zamak), have degree protection IP66...C.................P....................C.. djustable every 90° 81 .. N..........O.C........M ...M) be ordered separately: • Right angle key (13 fixing) • Straight key (13 fixing) • Straight key right angle key with shock absorber • Adjustable right angle key Mounting the casing: • screws top part width • screw for idth Cover • Closed using screw LS3. • Precision operation positions (consistency).... 3 1 cable inlet 13...C...P LS3.P81 or LS3... • They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform to European international standards............... and N..............." normally closed contact(s) (symbol ©). N................M81 only) Casing: • idth with standardized dim ensions according to 50047 • idth with standardized dim ensions according to 50041 Block contacts • ontact configuration: N....C.M..............P..C................. 1 cable inlet 13.................P..