Lus piav qhia luv luv:

Muaj nuj nqi & Nta

HWS9V-63 series yog ib qho ntawm cov khoom tiv thaiv hluav taws xob tsim thiab tsim

los ntawm kev siv cov thev naus laus zis thoob ntiaj teb, muab nrog ntau lub zog

(over-under voltage, pib reconnect, voltage zaub thiab adjustable voltage & sij hawm)

nyob rau hauv 50/60Hz, dav siv nyob rau hauv ib puag ncig ntawm hluav taws xob, kev lag luam thiab kev lag luam.