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Poznámky redaktora
.............................page 56
.............................. Limit Switches
Metal Casing IP66
Description
Applications
Easy use, electromechanical limit switches offer specific qualities:
• Visible operation...
The casings come dimensions: LS40M..................... width....................5 (+,-) pozidriv screw
• Screw head with captive cable clamp
Symbols
Example:
Structure:
LS 141
LS I
B 1
Limit Switch
Casing width
40=40 mmwidth+1 cable inlet for Pg13.........
• Standards.........
• Ordering details.
They are purpose-built detection devices thanks these characteristics:
• Presence/absence.....Main Summary Index
LS40M........... page 58
8 Low Voltage Products
1SBC 0016 R1002
Main Summary
...........
• Able switch strong currents (10 conventional thermal current)..
• Electrically separated contacts....pages 27
• Terminology....
Assembled using screws for mmwidths
Cover:
• Closed using screws for mmwidth
• Closed using screws for mmwidth
One piece sealing gasket ensure tightness
Electrical connection:
• 13.......... and LS60M... page4
.........
Casing:
• mmwidth with standardized dimensions
according 50041
• mmwidth
Mounting the casing:
• screws for mmwidth
• screws for mmwidth
Block contacts:
• Contact configuration: NO+ NC, NO, NC
• Positive opening operation
• Snap action slowaction
• shape: the contacts are electrically separated
Connecting terminals:
• M3....................................
• Objects passing/counting.. width............
Description
Limit switches, which are made aluminium alloy, have degree protection 66.....
• Positioning and travel limit.....................5 (+,-) pozidriv screw
• Screw heads with captive cable clamp
• Markings conform with IEC 947-1, IEC 947-5-1,
EN50005 and 50013 standards
A variety operating heads:
• Plain plunger
• Roller plunger
• Roller lever, adjustable not, etc......................
....5 cable gland
Metal casing
Operating heads: codes 93
Contact block
1 contact contact
2 contacts
2 contacts
B: ZbSnap action
L: ZbSlow action (contact dependent)
D: Slowaction non-overlapping late make
C: Slowaction overlapping early make
• General table...........
..5 cable glands for mmwidth
Terminal for protective conductor placed nearthe
cable inlet and marked Q
• M3.....5 cable gland for mmwidth
• 13............................
• Immune electromagnetic disturbances.....
■LS60M.........5 cable gland
60=60 mmwidth+3 cable inletsfor Pg13............
• Precise operating points (consistency)........
