Piezoelectric Sounders FAQQIs there any rule for mounting direction?

Following products have rule for mounting direction.
  • PKMCS1818E20*
  • PKM17EPP-20*
  • PKB*
The other sounders except for the above don’t have rule.

For the products having rule
marking (Pole display) is printed on their top. 
Terminal of marking side should be connected to hot side of D.C. plus.

※Case of mounting reverse direction
  • PKMCS1818E20*, PKM17EPP-20* : Characteristics could be degraded 
  • PKB*: No sound

Related FAQs
Most people who viewed this page also referred to the following pages.
Q. Does a Piezoelectric Sounder (Eternal Drive Type) have polarity?

We appreciate your cooperation with the FAQ improvement questionnaire.
Were these FAQs helpful?

We would like to hear your opinions and requests regarding these FAQs.
Opinions from customers will be used to improve the FAQs.
We will not respond to inquiries and requests received by this form.

For product inquiries, please contact us using our contact form.