22 new key NO+NC industrial plastic push button switch

1.widely use for electric equipment 2.best price and efficient service 3.Certified by CE,CCC,ROHS,UL,TUV......

          tree-position switch                      N/O+N/C            

          stay out                                                                     

                                                                                            

          key selector switch                                                 

          key release       (key  no 445 )                               

                                                                                           

          three-position switch                       N/O+N/O       

          spring return                                                             

neck dimension :22

key button

automatic replacement of three positions

Rated isolated voltage	AC/660V/50Hz	Operation frequency	1200times/h
Voltage of working frequency	AC/2500V/50Hz
Heating current (Ith)	10A	Using type	AC-15			DC-13
Resistance of contact terminal	Min,50mΩ	Rated working voltage	220	380	660	48	110	220	440
Life	1000000times~3000000times
Life of machine	500000times~1000000times	Rated working current	3.3	2	1.1	2.7	1.1	0.5	0.25
Life of electronic	100000times~300000times

Using condition

Environmental temperature :-25°C~+50°CRelative humidity:≤85%Altitude :≤2000mPollution grade:3Installation type:3Protection grade:ip55.Environmental condition :It isn't allowed to use in air condition of explosion,gas and dust of electric conduction .

Installation of productSingle-hole button and indicator should be

installed in round hole of control

board.There's rectangular key groove in the

round hole.

22 new key NO+NC industrial plastic push button switch