notice :
Vcc: + power, V0: ground ,Connection color is clearly marked on nameplate ,
A B Z 3 phase output must not be directly connected with VCC, otherwise,
will burn the output triode.
Shipping Description：
Item will be shipped by airmail with tracking number (ship to USA by USPS epacket delivery ) within 24 hours(1 working day) after full payment is received.
A notification email of dispatch will be sent to buyer after item is posted. Please email us if you don't receive our email after 3 days of full payment sent.
Return Description：
In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back.