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 contact(s) when the small latch withdrawn from the limit switch.C...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