Watt meter digital single phase 1.Logic circuit to be anti-creep 2. ... international standard 3.RS485 output interface Good quality watt meter digital single phase Product brief introduction The DDS3666 type single-phase ... current(A) 1.5(6),2.5(10),5(20),5(30),10(40),10(60),15(60),20(80),30(100) Rated ...