MT1-B-34-460-1-A23-B-E is a miniature hydraulic/magnetic circuit breaker designed for demanding applications requiring space-saving features and snap-in front panel mounting. This 2-pole parallel pole construction device operates at a maximum rating of 80 V DC with a current rating of 6.0 amps and provides an interrupting capacity of 600 amps without backup fuse, meeting UL489A standards for communications equipment. The breaker features a compact vertically mounted parallel pole configuration with a flat rocker actuator and non-illuminated single color design, offering balanced circuit protection with two uniquely designed terminals. It is UL Listed under UL Standard 489A for communications equipment, CSA Accepted as a supplementary protector, and VDE/TUV certified, making it suitable for telecommunications equipment fitting in one rack unit. The device includes a Rockergard bezel to prevent inadvertent actuation and is ideal for polarity-sensitive communications applications requiring reliable overcurrent protection.