Základní přehled polohových spínačů ...
Poznámky redaktora
• Precise operating points (consistency).............. 5
Casing width: mm....
• Positioning and travel limit..5 cable gland....................................................................LS40M ...
They are purpose-built detection devices thanks these characteristics:
• Presence/absence.......
........... 0
3 cable inlets M20 3....................5 cable gland............. 0
1cable inlet M20 1.................. LS45M and LS60M .............................................................C....................... 4
1cable inlet for 13..................5for ISO20 cable gland..................5 (+,-) pozidriv screw
• Screw heads with captive cable clamp
• Markings conform with IEC 60947-3, IEC60947-5-3,
EN 50005 and 50033 standards
Casing:
• mmwidth with standardized dimensions according
to 50043
• mmwidth
Cover:
• Closed using screws for mmwidth
• Closed using screws for mmwidth
One piece sealing gasket ensure tightness
Electrical connection:
The casings are available with the following choice of
cable inlet:
• Cable gland Pg,
• 3/2" NPTthreaded
or
• ISOcable gland conforming with standard 50262
Terminal for protective conductor placed near the
cable inlet and marked 0
• M3.................... 6
3 cable inletsfor 33......
A variety operating heads:
• Plain plunger
• Roller plunger
• Roller lever, adjustable not, etc......
• Able switch strong currents (10 conventional thermal current)....................................... M
4 1
>> Type Separate Elements.........
>> Dimensions Complete Device...............................
>> Ordering Details for Separate Elements.........................................O....................5 (+,-) pozidriv screw
• Screw head with captive cable clamp
Type
Example ]
| [Ml
_____________________________ T
Limit Switch..., N........................." normally closed contact(s) (symbol )..C.......
Assembled using screws for &60 mmwidths
Block contacts:
• Contact configuration: 1N..............................5for ISO20 cable gland.......................... 3
3 cable inletsfor 3/2" NPT....................................... 1N......
• Positive opening operation @
• Snap action slow action
• shape: the contacts are electrically separated
Connecting terminals:
• M3................................................................................pages 33, 42
24 ABB Control
1SBC141127C0201
..
• Contact blocks with positive opening operation the "N.... pages 29, 38
>> Operation Diagrams...... 5
Metal casing............pages 32, 41
...................................... pages 26, 35
.........
........................
Description
Limit switches, which are made aluminium alloy, have IP66 degree protection...
• Objects passing/counting..O................................3
1cable inlet for 1/2” NPT.......LS
Largeur boîtier mm.................
• Electrically separated contacts (Zb shape).......... LS65M
Limit Switches
Description Complete Device
Applications
Easy use, electromechanical limit switches offer specific qualities:
• Visible operation....................
• Immune electromagnetic disturbances........................., N..............C........
