The CZW400A DC Contactor is a heavy-duty, normally open switching device engineered for demanding applications in construction machinery and telecommunication equipment. Built to handle a rated current of 400A and operating on a 48V DC coil voltage, this two-pole contactor delivers reliable performance in high-current DC circuits. Its normally open configuration ensures a safe default state during power loss, minimizing risk in critical systems. The robust construction features gold-toned terminal contacts and sturdy bolt-style main power terminals, designed to maintain secure, low-resistance connections even under continuous heavy loads. A convenient mounting bracket is included for straightforward installation in a variety of setups. Compliant with Standard GB14048.4 DC-1, this contactor meets established performance benchmarks for DC switching applications. Whether you are managing motor control, battery disconnect systems, or industrial power distribution, the CZW400A offers the durability and dependability needed to keep your equipment running smoothly.