Základní přehled polohových spínačů ...
Poznámky redaktora
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LS3...
• Contact blocks with dependent action and positive opening operation the "N........-S
Type Example |
[ I
r n
Casing width: ...........
• Capability for strong current switching (conventional thermal current A)........-S LS3.M ..........5 ISO cable .....5 cable ..
• Opening the "N..................." contact(s) for very small rotation angle: 7°.................... Detection the rotative axis means lever.......................
E -
I S
S Safety device
Snap action:
B Snap
Dependent (slow) action:
L .................................P75...-S
A ssem bly screws LS3...M75......P................
O perating heads: (see panorama)
Galvanised steel rotative is.
M etal casing .Zb on-overlapping late make
C .)................ N..
1 cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPT for cable gland
(L ).-S safety limit switches, which made fibre-glass reinforced UL-V0 thermoplastic material, offer double insulation D
and degree protection IP65.....
Stainless steel rotative ........................
• Immunity electromagnetic disturbances........................5 ISO cable ........
These specific features make the limit switches ideal for monitoring and protection light industrial machines without inertia equipped with
angular movement protectors (doors, hinged grids, rotative covers cases, etc..-S LS3.P....................................................................5 cable gland
• (LS31P/M) cable inlet for cable gland
• (LS32P/M) cable inlet for ISO cable gland
• (LS33P/M) cable inlet for ISO cable gland
• (LS35P) cable inlet 1/2" NPT plastic adaptor
• (LS35M) cable inlet 1/2" NPT cable gland
Suitable for conduit connection only ith use adaptor
sleeve optionally provided anufacturer (on request)
3 operating head options:
• Galvanised steel rotative axis
• Stainless steel rotative axis
• Galvanised steel flush ounting right angle lever
A ssem bly screws LS3............................
Description
LS3...........-S safety limit switches, which made zinc alloy (zamack), have degree protection IP66..
1 cable inlet 1.
• Opening the mobile protector guarantees operator protection immediately stopping the machine drive........C......... N.M.
• Electrically separated contacts....
Casing fixing (Plastic Metal)
• screws the part
Casing (Plastic Metal)
• wide with standardised dimensions corresponding
to 50047
Block contacts
• ontact configuration: N.................C.....M only)
• M3.........P77...............................O......." normally closed contact(s) (symbol ©)..
• They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform to
European and international standards......-S
O piece sealing gasket ensure tightness...............3
1 cable inlet 13...
• Positive opening operation 6
• Slow action snap action
Connecting term inals
• M3.......
1 cable inlet cable ...............C....
Galvanised steel flush ounting right angle lever ...........................................
• Precision operating positions (consistency)..........
P lastic casing...
Electrical connection:
• (LS30P/M) cable inlet for 13.......................................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.....Slow Sim ultaneous
D .Safety Limit Switches with Axis Lever
Double Insulation Plastic Casing IP65 Width
Metal Casing IP66 Width
Applications
Easy use, the limit switches with rotative axis lever offer specific qualities:
• Visible operation........
1 cable inlet 1.................
• These switches are suitable for conformity the existing installed machine base, they can mounted protection devices already installed..M77....5 (+,-) pozidriv screw
(Screw head with captive cable clamp)
Cover
• Closed using screw for LS3.............-S
• Closed using screws for LS3..
• Associated with other standard limit switches and safety switching devices, they produce automatic control circuits meeting standard 954-1.C...........Zb verlapping early make
LS
5
A m
43
1SBC141157CG2G2
.............................
