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 contact(s) when the small latch withdrawn from the limit switch...........5 cable gland .........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