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The Phoenix Contact 1019934 is a thermal magnetic circuit breaker designed for branch overload and short-circuit protection. It features a 5A current rating and a 277V voltage rating, with a 2-pole configuration.
This circuit breaker is suitable for mounting on a 35 mm NS35 rail, offering convenient installation in various industrial and telecommunications applications. The TMC 7... series, which this part may belong to, provides supplemental protection with short-circuit current ratings ranging from 5 kAIC to 7.5 kAIC, depending on the supply voltage. The TMC 8... series, also mentioned, is UL 489 Listed with an interrupt capacity of 10 kAIC at up to 277/480 V AC and 125 V DC.
Key features include a trip-free, snap-action mechanism that cannot be manually overridden during an overload situation, and visual status indication. Accessories such as auxiliary contacts, alarm contacts, shunt trips, and busbars are available for expanded functionality. Both product lines carry the CE mark.
Typical applications for the TMC 7/8... series circuit breakers include protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers and peripheral equipment, industrial process control systems, telecommunications equipment, and power supplies.
The current rating is 5A.
The voltage rating is 277V.
It has 2 poles.
It is a Thermal Magnetic breaker.
It is designed for DIN Rail mounting.
The available trip curves are B, C, and D.