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The Phoenix Contact 1019943 is a thermal magnetic circuit breaker designed for branch overload and short-circuit protection. This 2-pole unit has a current rating of 20A and a voltage rating of 277V.
It is designed for easy mounting on a 35 mm NS35 DIN rail. The breaker offers a trip-free, snap-action mechanism that cannot be manually overridden during an overload situation, ensuring safety and reliability.
Typical applications for this series include protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, peripheral equipment, industrial process control systems, telecommunications equipment, and power supplies. The TMC 7... series is UL 1077 Recognized, while the TMC 8... series is UL 489 Listed, and both carry the CE mark.
The current rating is 20A.
The voltage rating is 277V.
It has 2 poles.
It is a thermal magnetic breaker.
It is mounted on a DIN rail.
The interrupt capacity is 10 kAIC at up to 277/480 V AC and 125 V DC.
The available trip curve options are B, C, and D.