Základní přehled polohových spínačů ...
Poznámky redaktora
. N................................
E -
I S
S Safety device
Snap action:
B Snap
Dependent (slow) action:
L .-S
A ssem bly screws 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.....................
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..............M only)
• M3...-S LS3.....................-S
O piece sealing gasket ensure tightness........ N.
• Immunity electromagnetic disturbances............................-S safety limit switches, which made zinc alloy (zamack), have degree protection IP66...
• Precision operating positions (consistency)............C.........P...C....
1 cable inlet 1.5 cable ..
1 cable inlet 1..-S LS3..O...........
Casing fixing (Plastic Metal)
• screws the part
Casing (Plastic Metal)
• wide with standardised dimensions corresponding
to 50047
Block contacts
• ontact configuration: N....................
• These switches are suitable for conformity the existing installed machine base, they can mounted protection devices already installed.......................................
Stainless steel rotative ......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...........
1 cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPT for cable gland
(L ).
Electrical connection:
• (LS30P/M) cable inlet for 13........P75..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.................5 ISO cable .....
1 cable inlet cable .Zb verlapping early make
LS
5
A m
43
1SBC141157CG2G2
....
LS3.......3
1 cable inlet 13........
M etal casing .... Detection the rotative axis means lever................M ..........
• Opening the "N...M77..M75......M....................C.-S
Type Example |
[ I
r n
Casing width: .C.......
O perating heads: (see panorama)
Galvanised steel rotative is...5 ISO cable .....................................................................
Description
LS3...
• Contact blocks with dependent action and positive opening operation the "N.....................................)...................P77..
P lastic casing...." normally closed contact(s) (symbol ©)...................
• Capability for strong current switching (conventional thermal current A).................................." contact(s) for very small rotation angle: 7°.........................
• Positive opening operation 6
• Slow action snap action
Connecting term inals
• M3...P.......
Galvanised steel flush ounting right angle lever ......5 (+,-) pozidriv screw
(Screw head with captive cable clamp)
Cover
• Closed using screw for LS3..-S safety limit switches, which made fibre-glass reinforced UL-V0 thermoplastic material, offer double insulation D
and degree protection IP65...............-S
• Closed using screws for LS3..........
• Electrically separated contacts.Slow Sim ultaneous
D .................
• Associated with other standard limit switches and safety switching devices, they produce automatic control circuits meeting standard 954-1...............................
• They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform to
European and international standards.................
• Opening the mobile protector guarantees operator protection immediately stopping the machine drive.Zb on-overlapping late make
C ................
