Protective Devices: These equipment, which include circuit breakers and fuses, secure the procedure as well as electrical devices from overloads and faults.S?n ph?m ???c thi?t k? ??c bi?t v?i kh? n?ng chuy?n ngu?n nhanh g?n nh? t?c thì khi?n thi?t b? ?i?n không b? t?t trong quá trình chuy?n ngu?n, b?n c?ng không phân bi?t ???c Hello?n t??ng k