The MT1-B-14-470-1-A24-B-J is a miniature 2-pole hydraulic/magnetic circuit breaker from Carling Technologies' M-Series, specifically designed for communications equipment requiring polarity-sensitive protection. It is rated for 7 A at a maximum voltage of 80 VDC with a breaking capacity of 600 A without backup fuse, meeting UL489A standards. The breaker features a compact, vertically mounted parallel pole construction that fits within a single rack unit, offering space-saving benefits for telecommunications applications. It includes a paddle actuator style with flat mounting and is available with various styling options including rocker actuators and optional illumination. The device is UL Listed for communications equipment and also carries UL Recognized, CSA Accepted, VDE Certified, and TUV Certified approvals, making it suitable for demanding applications requiring high reliability and regulatory compliance.