Product Overview The 5521 DC Power Plug is a reliable, high-performance connector engineered for LED lighting systems and other low-voltage DC power applications. Featuring a precision-machined copper contact and a durable nylon housing, this plug delivers stable electrical conductivity and long-term mechanical resilience. With a rated capacity of 4A at 220V, it is well suited for continuous-duty installations in both residential and commercial environments. 4A Rated Current