Základní přehled polohových spínačů ...
Poznámky redaktora
.P.Zb verlapping early make (for 1N.............. contacts only)
O perating heads: (see panorama)
80 .....
1 cable inlet ISO cable .... Withdrawal the small latch (key)
by opening the mobile protector causes immediate stopping the machine drive.
• Precision operation positions (consistency)........O......P LS4...........................2 N......P LS3.C.... LS4....M only)
• 3..............C..O...., N.
LS3.......... and N.... contacts
12 ... contacts only)
Dependent (slow) action:
L ......
Description
LS3......... (LS4..-S
• Closed using screws LS4............. Safety device
C ontact types:
11 ..
1 cable inlet 1/2" NPT cable gland..........
• Associated with other standard limit switches and safety switching devices, they produce automatic control circuits meeting standard 954-1.........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.. N......................C.M81 only)
Casing:
• idth with standardized dim ensions according
to 50047
• idth with standardized dim ensions according
to 50041
Block contacts
• ontact configuration: N....M.P LS3...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.......C....O.....M LS4.
• Immunity electromagnetic disturbances........" normally closed contact(s) (symbol ©).C... contacts
03 ............C.P............
• Contact blocks with dependent action and positive opening operation the "N.
• Capability for strong current switching (conventional thermal current A)..........C... contacts (LS4..... N......." contact(s) when the small latch withdrawn from the limit switch........C....
1 cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPT cable gland
(LS35M)........C..-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.P.......O.......... 1N.... Continuously pivoting from 360° (LS3.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 gland ..........
1 cable inlet 13.....
Casing width: ....................................M only)
42
LS
5
4
1SBC141157CG2G2
.......
8 -
' ... N........M)
and screws (L4...M....
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. N........M.... Use sliding pivoting protectors (covers, cases, doors, grids, etc..M .....P81
or LS3....M) and
5 small latch (key) options (for LS4..........5 cable gland . Slow ultaneous
D Non-overlapping late make
C .C......1 N............................
• They contribute protection operators working dangerous machines, opening the control circuit. only)
0 .
2 operating head options:
• Adjustable every 90° assem bled using screws
(L3....-S (30 width) and LS4... N....P. N....................C..M)
• Pivoting from 360° ith screw (LS3......,
1 N.O..............P...........-S (40 width) safety limit switches with key, which are made aluminium alloy, have degree protection IP66....-S
• Self clipping LS4....
1 cable inlet ISO cable gland .-S (30 width) safety limit switches with key, which are made zinc alloy (zamak), have degree protection IP66....-S
• Closed using screws LS3.....
• Opening guaranteed the "N......
E
P lastic casing...................5 (+,-) pozidriv screw
(Screw head with captive cable clamp)
7 small latch (key) options (for LS3.....
• They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform to
European international standards............P), screws (L4...C.............. djustable every 90°
81 ......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: ............... 3
1 cable inlet 13..........)......................................-S
O piece sealing gasket ensure tightness
Electrical connection:
• (LS30P/M LS40P/M) cable inlet for 13..............
• Electrically separated contacts.......P...M...........P), screws (L3. contacts (LS4...............O.............M ...............1 N.............
1 cable inlet cable gland ................... orLS4....
LS4.........5 cable gland ........ only)
Snap action:
B Snap (for N.......... N.....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...C.............................
M etal casing ...........
