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