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The Phoenix Contact 1019950 is a thermal magnetic miniature circuit breaker designed for branch overload and short-circuit protection. It offers a 63A current rating and a 277V voltage rating, with a 2-pole configuration.
This circuit breaker is UL 489 Listed for the U.S. and Canada, providing a high interrupt capacity of 10 kAIC at up to 277/480 V AC and 125 V DC. It is also UL 1077 Recognized, suitable for supplemental overload and short-circuit protection. The TMC 7/8... series circuit breakers are available with B, C, and D trip curve options.
Designed for easy installation, the 1019950 mounts on a 35 mm NS35 rail and has a width of 17.6 mm per pole. It features visual status indication and a trip-free, snap-action mechanism that cannot be manually overridden during an overload situation. Accessories such as auxiliary contacts, alarm contacts, shunt trips, and busbars are available.
Typical applications for the TMC 7/8... series 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 63A.
The voltage rating is 277V.
It has a 2-pole configuration.
It is a Thermal Magnetic breaker.
It is designed for DIN Rail mounting.
The interrupt capacity is 10 kAIC at up to 277/480 V AC and 125 V DC.
Trip curve options include B, C, and D.