FAQ No. FAQ001846
Question
Must a limiting resistor be connected to the
LED of the lighting part?
Answer
The following models are not provided with a limiting resistor and so it
is necessary to connect an external resistor.
A3D, M2D, A3A Pushbutton Switches
The following models provided with a limiting resistor do not require an
external resistor.
A16 (M16),
A22 (M22),
A3P (M2P), A3K (M2K), A3S
(M2S) Pushbutton Switches
Other Pushbutton / Indicator Lamp
FAQs
 What is the Socket Unit?
What is IP-[][]?
What is LED lighting?
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