Základní přehled polohových spínačů ...
Poznámky redaktora
....C...... 1N....5 (+,-) posidriv screw
(Screw head with captive cable clamp)
• Marking conformto IEC60947-1, IEC60947-5-1,
EN50005 and EN50013 standards
Terminal for protective conductor placed nearthe
cable inlet and marked: (LS3.....
• Positive opening operation @
• Snap dependent action
• The contacts are electrically separated
Connecting terminals
• M3..
They comply with the requirements European Directives (Low Voltage, Machines and Electromagnetic Compatibility) and are conform Eu
ropean and international standards............5 (+,-) pozidriv screw
(Screw headwith captive cable clamp)
A variety operating head options:
• Plain plunger
• Roller plunger
• Roller lever adjustable not, etc.... N... 1
2
1cable inlet M20x 1..M.
Return the initial operating state takes place voluntary action the reset button...... 55and .....5 cable gland.. 3
1cable inlet 1/2" NPT plastic adaptor (LS35P) 1/2" NPTfor cable gland
(LS35M) . contact blocks with positive opening operation the
"N.P....Zb Overlapping early make
Operating heads: (see panorama)
11 ... 3
0
1cable inlet for cable gland......C.
Assembly using4 screws for LS3............5 for ISO20cable gland ...
Casing
• mmwidewith standardized dimensions corresponding
to EN50047
Casing fixing
• screws inthetop part
Block contacts
• Contact configuration: N...
LS
codes
1SBC141157CG2G2
.
• Contact blocks with positive opening operation the "N...
Description
LS3....
• Precision operating positions (consistency).....C...Slow/ Simultaneous
D ...........
• Immunity electromagnetic disturbances....C.-R
One piece sealing gasket ensuretightness
„
Electrical connection:
• 1(LS30P/M) cable inlet for 13..Monly)
• M3..P...M........
• Electrically separated contacts......" contact(s).O...
Type Example LLLSJ
L I
S G
Casing width: mm... N..O. 74, 78.........
Limit switches with latch and manual reset are equipped with N.... After actuating the control device and overshooting the latching point, the N..
These cific features ake the lim itches ideal detection and onitoring lts hoisting achines, ctric lifts, freig t
elevators, escalators, conveyor belts, etc.....C........
Limit switches with latch and manual reset comply with the requirements standard 81-1: safety rules for the construction and installations
of electric lifts.
LS3.
........-R (metal casing, width) limit switches, which are made zinc alloy (zamack), have degree protection IP66........
Metal casing .............. safety contact(s) remain the open position..M................." normally closed contact(s) (symbol )........5 cable gland
• 1(LS31P/M) cable inlet for cable gland
• 1(LS32P/M) cable inlet for ISO cable gland
• 1(LS33P/M) cable inlet for ISO20 cable gland
• 1(LS35P) cable inlet 1/2" plastic adaptor
• 1(LS35M) cable inlet for 1/2" cable gland
Suitable for conduit connection only with use adaptor
sleeve optionally provided manufacturer (on request).........
1cable inlet for 13......
56
1 0
\ R
R Reset Device
Snap action:
B Snap
Dependent (slow) action:
L ......
• Capability for strong current switching (conventional thermal current A)...C.... this application they detect monitor: cabin overtravel, cabin speed means speed limiting device, energisation the
parachute block detection excessive speed with respect the set-point value, etc..C...... N............. S
Plastic casing...................
Assembly using4 screws for LS3.........-R
• Closed using screws for LS3..-R (plastic casing, width) limit switches with latch and manual reset, which are made fibreglass reinforced UL-V0 thermoplastic
material, offer double insulation and degree protection IP65.P......Limit Switches with Latch and Manual Reset
Plastic Casing IP65 and Metal Casing IP66 Width
Applications
Easy use, the lim itches safety applications ith latch and anual reset ffe cific qualities:
• Visible operation (fault memorisation)...........Zb Non-overlapping late make
C ........
-------------------------- Blue manual reset button
— -
Cover
• Closed using 3screwfor LS3...
