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 contact(s) when the small latch withdrawn from the limit switch...P.......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