The Marathon/Kulka 621-RZ-06 terminal block is a high-quality solution for connecting wires in commercial appliances and industrial equipment. Its closed-back design provides enhanced safety and security, while its robust construction ensures reliable performance. The block is UL Listed and CSA Certified, meeting stringent safety standards. It accommodates a wide range of wire sizes and offers convenient mounting options. With a 20A, 600V rating, this terminal block is suitable for a variety of applications requiring dependable power distribution.