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LXK3-20S/D Limit Switch

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  • LXK3-20S/D

  • Winston

Characteristics/Application


The product is to service at such control circuit as AC50-60Hz, voltage of 380VAC or 220VDC and curront of 10A to automatically control machino tool, limit movement and action of drive mechanism and control programThe nominal service conditions include an ambient temperature of-25C+40C, an ambient relative humidity of 90%, and altitude of 2000m and protection degree of IP65. It complies with the standard of IEC337-1 and GB14048.5-2001.


Code name for protection enclosure mode

LXK3-20SVertical type,a outgoing hole at the bottom
LXK3-20HHorizontal type. there is resoectively a outgoing hole at the bottom and two Sides.


useThe typical usage of travel switch is to control electrical magnet of AC or DC
Control capacityAC-15DC-13
Ue Rated insulation voltagele Rated working currentUe Rated insulation voltagele Rated working current
380V0.8A220V0.15A
220V1.4A110V0.3A
110V2.8A

Rated valueRated insulation voltage Ui-380V, conventional enclosed heating current Ith2=10A
Protection for short-circuitRated fuse current 1000A RL1-15/10
operation frequencyAc 2400 times/hour, DC 1200 times/hour
eleatricalElectrical life of AC one million and half times, Electrical life of DC three hundred of thousand times
mechanicalLXK3-20 S.H/H1, H2, H3, LXK3-20 S.H/W is 6 million times and other specifications are 10 million times
Repetition precisionThe difference between the maximum(or the minimum) and the means is n more than 0.05mm in ten times of actions
Protection degree of enclosureIP65 GB4208-84
Vibration resistanceFrequency 10-55Hz Acceleration 10g(90M/S) Amplitude 0.75mm


Code name for operation mode


ZPlunger-type, autonmatic reset
LRoller plunger-type,automatic reset
BRoller rotary arm type,automatic reset
TAdiustable roller rotary arm type, automatic reset
JAdjustable metal pendulum arm type, automatic reset
DElastic pendulum arm type, automatic reset
H1Fork type, two wheels at same direction, no automatic rest
H2Fork type, left wheel front, right wheel back, no automatic rest
H3Fork type, right wheel front, letf wheel back, no automatic rest
WUniversal type, automatic reset


LXK3尺寸

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