Anyị bụ ụlọ ọrụ ezinụlọ si Liushi, Wenzhou, China. Kemgbe 2010, anyị na-elekwasị anya na mbọ anyị ndị ọkachamara na mmepe na mmepụta nke ngwaọrụ nchekwa AC & DC (SPDs).
Igbe dịpụrụ adịpụ 4pole, nhazi pụrụ iche iji chebe plọg na modul
AC na-echedo ngwaọrụ SPD T2 1 + 0, nhọrọ ngbanwe karịa kọntaktị, nkwụnye dochie na modul
Ntugharị ndị nrụpụta LSP AC & DC SPDs
Akpaka ịgbado ọkụ AC & DC anya ngwaọrụ nchedo SPD
Serigraphy AC & DC na-echedo ngwaọrụ SPD
PV DC igwe nchekwa ngwaọrụ SPD SLP40 PV1500 3S
Ngwaọrụ AC & DC na-echekwa SPD katọn dị n'ime & igbe dị n'ime
AC na-echedo ngwaọrụ SPD T1 + T2 Iimp 7kA 3 + 1 maka usoro TT
LSP T2 Class C AC SPD igwe nchekwa ngwaọrụ gbakọtara na ule
Mbipụta Laser - Ngwaọrụ Nchedo SPD
Kedu ihe bụ Power over Ethernet PoE
Nchedo Anya - Ajuju Ajuju
