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