CUI Devices TB004-508-03BE Terminal Block: Secure Wire-to-Board Connection | 16A, 300V 2025-04-18 The CUI Devices TB004-508-03BE is a high-performance screw-type terminal block with 16A current and 300V voltage ratings. Featuring a 5.08mm pitch, rising cage clamp, and interlocking design for secure wire-to-board connections in industrial and commercial applications.