Základní přehled polohových spínačů ...
Poznámky redaktora
....
1 cable inlet 1................O..-S
O piece sealing gasket ensure tightness..
• Precision operating positions (consistency)...........C.....
• Electrically separated contacts........
• Immunity electromagnetic disturbances..
O perating heads: (see panorama)
Galvanised steel rotative is............M.5 (+,-) pozidriv screw
(Screw head with captive cable clamp)
Cover
• Closed using screw for LS3...M only)
• M3...-S
Type Example |
[ I
r n
Casing width: .
P lastic casing........................
Electrical connection:
• (LS30P/M) cable inlet for 13....
• Capability for strong current switching (conventional thermal current A).......................Slow Sim ultaneous
D ................5 ISO cable ...............
• Opening the mobile protector guarantees operator protection immediately stopping the machine drive..C......
• These switches are suitable for conformity the existing installed machine base, they can mounted protection devices already installed..).....................................
• Contact blocks with dependent action and positive opening operation the "N....P77............-S safety limit switches, which made zinc alloy (zamack), have degree protection IP66................................
• Associated with other standard limit switches and safety switching devices, they produce automatic control circuits meeting standard 954-1...-S LS3.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........................
• They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform to
European and international standards.M77.............-S
A ssem bly screws LS3..5 cable . N....................3
1 cable inlet 13....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.....M ..................................
E -
I S
S Safety device
Snap action:
B Snap
Dependent (slow) action:
L .......
1 cable inlet cable ..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...........................-S safety limit switches, which made fibre-glass reinforced UL-V0 thermoplastic material, offer double insulation D
and degree protection IP65..................
Stainless steel rotative .........
M etal casing ......-S LS3." normally closed contact(s) (symbol ©)..........P.........................................................................C...
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..........C......
• Opening the "N.................Zb on-overlapping late make
C ..........
Description
LS3.........
LS3..-S
• Closed using screws for LS3......... Detection the rotative axis means lever..." contact(s) for very small rotation angle: 7°.............
Casing fixing (Plastic Metal)
• screws the part
Casing (Plastic Metal)
• wide with standardised dimensions corresponding
to 50047
Block contacts
• ontact configuration: N.........................P...............Zb verlapping early make
LS
5
A m
43
1SBC141157CG2G2
..................
Galvanised steel flush ounting right angle lever ..........M75.........
• Positive opening operation 6
• Slow action snap action
Connecting term inals
• M3......................
1 cable inlet 1.... N......5 ISO cable ...................
1 cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPT for cable gland
(L ).P75.
