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 contact(s) when the small latch withdrawn from the limit switch................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