Pushbutton/Indicator light
LA39 series pushbutton ( 22, 16, 12)
LA39 series dual pushbutton
LA39 series pushbutton station
AD16 series indicator light( 22, 16, 12)
AD16 series special indicator light
AD16 series symbols lightsISO9001:2000Catalogue
LA39-(A),(B),(C) 22, 30 series pushbutton 01 - 19
LA39-E 16 series pushbutton 20 - 27
LA39-F 12 series pushbutton 28 - 31
AD16-22 22 series indicator light 32 - 39
AD16-16 16 series indicator light 40 - 41
AD16-12 12 series indicator light 42
Symbols 43Specification of LA39-(A,B,C) series pushbutton
Model
according to different combination of button head and bracket
Button codes are discharged by Shanghai Electric Research Institution and used only by Shanghai APT CO.,LTD.
Quantity of normally opened contacts (NO) Quantity of normally closed contacts (NC)
Secondary model
Letters Meaning Letters Meaning Letters Meaning
Momentary action pushbutton Emergency stop pushbutton Short level three-pos.selector switch
Illuminated pushbutton actuator Key release emergency stop pushbutton Long level two-pos.selector switch
Maintained action actuator Two-position keylock switch Long level three-pos.selector switch
Mushroom-head pushbutton actuator Three-position keylock switch
Maintained mushroom-head pushbutton Short level two -pos ,selector switch
Full-face color /key selector action/ key removable positon
Red Green Yellow Blue White Black
Spring return action Removable position of keylock selector
left to center right to center left-right to center left center right
Voltage code of indicator
Code
Power supply
Voltage
One with the mark "TH" can work in the condition of moist heat.
Technical Data
Switch rating
Contact resistance hard silver contact
Max. insulation voltage
Mechanical endurance
normal botton select switch key button emergency button
Electrical endurance operations
Conventional thermal current
Rated insulation voltage
Working temperature
Front protective degree (noted in order)Specification of LA39-(A,B,C) series pushbutton
Material
Bezel of head Bracket Head Contact point Bracket house Contact panel
Adopted standards Mounting dimension
A style button head
Z1 style bracket Z2 style bracket Z3 style bracket
B style button head
C style button head22 LA39-A series pushbutton
Name Appearance Action Model Color Lamp voltage Dimension
red
Momentary
green
yellow
Round white
pushbutton
blue
Maintained
black
Momentary red
green
Raised lens
yellow
round
pushbutton white
blue
Maintained
black
LED illuminated
Momentary
red
green
Illuminated
round yellow
pushbutton white
Maintained
blue
LED illuminated
Momentary red
green
Raised lens yellow
round
white
pushbutton
blue
Maintained
Remark Please state the quantity of normally opened and closed contacts in before the slash
Please state the color in after the slash,and voltage category in .
All the lampes of illuminated pushbuttons are high bright LED.
Please change into or when you wish to use and bracket.22 LA39-A series pushbutton
Name Appearance Action Model Color Lamp voltage Dimension
Momentary Opaque
red
Mushroom green
-head
pushbutton yellow
Maintained black

LA39&AD16是一种特定型号的电气设备，其中"Pushbutton"指的是按钮开关，它通常用于控制电路中的信号传输或操作，当用户按下这个按钮时，会接通或断开电路，实现对相关设备（如电机、照明、安全系统等）的启动、停止或者状态切换等功能。 "LA39"可能是这款按钮的具体系列号或者是产品代号，而"AD16"可能是指该按钮开关配置的一种附加功能或规格参数，比如它可能带有16个可编程的LED指示灯，这些指示灯可以在按钮动作后显示出不同的颜色和亮度状态，用于直观显示设备的工作状态（例如是否被激活、运行时间、错误信息等）。 因此，LA39&AD16 pushbutton 按钮与指示灯组合体是一款具备触控操作功能及实时状态反馈的智能化电气元件，在工业自动化控制、楼宇自控、家用电器等领域中广泛应用。使用时，请确保按照其操作手册正确连接并设置以充分发挥其效能。如有其他疑问或需要技术支持，请随时咨询我们的专业人员。