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