Základní přehled polohových spínačů ...
Poznámky redaktora
5 cable gland .....P...-S (30 width) and LS4..M LS4..
1 cable inlet 1/2" NPT cable gland.....
8 -
' ...5 (+,-) pozidriv screw
(Screw head with captive cable clamp)
7 small latch (key) options (for LS3....C...
LS3.... djustable every 90°
81 ...
1 cable inlet ISO cable gland ...C.........., N.P), screws (L3.C....P......P LS3..P), screws (L4....... contacts
03 ......
• They contribute protection operators working dangerous machines, opening the control circuit.......
• Precision operation positions (consistency)..1 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...... N... contacts only)
Dependent (slow) action:
L . N......... contacts only)
O perating heads: (see panorama)
80 .......M.........C............................P LS4......................... N.....C..P.......P........ and N.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.....P LS3........ Slow ultaneous
D Non-overlapping late make
C ..... 3
1 cable inlet 13......P...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: ........O.......C...... N... contacts (LS4..M only)
42
LS
5
4
1SBC141157CG2G2
.... N....Zb verlapping early make (for 1N...C..
Casing width: ..M..........C.. only)
0 ........M..............O.M)
• Pivoting from 360° ith screw (LS3.-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...............M .....................C........P/M only)
• Positive opening operation @
• Snap action (only blocks contacts)
• Slow action
• The contacts are electricaly separated________
Connecting term inals
• 3.....
1 cable inlet ISO cable .........5 cable gland ... LS4..........................M only)
• 3..
• They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform to
European international standards..
M etal casing ....-S (40 width) safety limit switches with key, which are made aluminium alloy, have degree protection IP66...........-S
O piece sealing gasket ensure tightness
Electrical connection:
• (LS30P/M LS40P/M) cable inlet for 13." contact(s) when the small latch withdrawn from the limit switch....-S
• Closed using screws LS3.......
1 cable inlet cable gland ......C....
1 cable inlet ISO cable gland ......P81
or LS3...........M) and
5 small latch (key) options (for LS4......-S
• Self clipping LS4........................1 N.P.............. N.O.........................
2 operating head options:
• Adjustable every 90° assem bled using screws
(L3......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....
• Contact blocks with dependent action and positive opening operation the "N.
• Electrically separated contacts.. Safety device
C ontact types:
11 .........................................C.........C.... Use sliding pivoting protectors (covers, cases, doors, grids, etc.... N.)..............................
• Capability for strong current switching (conventional thermal current A)...
• Immunity electromagnetic disturbances..................... Withdrawal the small latch (key)
by opening the mobile protector causes immediate stopping the machine drive.... contacts (LS4.....
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.....O..M ....
1 cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPT cable gland
(LS35M).O.........
• Opening guaranteed the "N..... only)
Snap action:
B Snap (for N......M...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..................... Continuously pivoting from 360° (LS3. orLS4....
Description
LS3..........C....... contacts
12 ......M)
and screws (L4............
• Associated with other standard limit switches and safety switching devices, they produce automatic control circuits meeting standard 954-1....................2 N..,
1 N............
E
P lastic casing...
1 cable inlet 13..........................O................
LS4..... 1N..........................." normally closed contact(s) (symbol ©). (LS4.-S
• Closed using screws LS4..-S (30 width) safety limit switches with key, which are made zinc alloy (zamak), have degree protection IP66....
