TMC 7... and TMC 8... Thermal magnetic UL Listed and UL Recognized miniature circuit breakers Data sheet 3644 en D PHOENIX CONTACT 2019-04-10 1.1 Typical applications 1Description TMC 7/8... circuit breakers are suitable for protection of TMC 8... miniature circuit breakers (MCB) are UL 489 Listed cables to provide branch overload and short-circuit protection. An motors interrupt capacity of 10 kAIC at up to 277/480 V AC and 125 V DC makes the TMC 8... ideal for a wide range of generators and transformers applications that require a UL 489 Listed circuit breaker. thyristors TMC 7... miniature circuit breakers are UL 1077 silicon rectifiers Recognized and provide supplemental overload and short- computers and peripheral equipment circuit protection. Short-circuit current ratings range from industrial process control systems 5 kAIC to 7.5 kAIC, depending upon the supply voltage. telecommunications equipment The circuit breakers are available in 1-, 2-, and 3-pole power supplies configurations with B, C, and D trip curve options, making them ideal for a wide range of applications. They are 1.2 Features 17.6 mm wide (per pole) and mount on 35 mm NS35 rail. Available accessories include an auxiliary contact, alarm TMC 7... is UL 1077 Recognized contact, shunt trips, and busbars. TMC 8... is UL 489 Listed The TMC 7... is UL Recognized for the U.S. and Canada. 1-, 2-, and 3-pole configurations The TMC 8... is UL Listed for the U.S. and Canada. Both Current ratings of 1 to 63 A products lines carry the CE mark. Available with B, C, and D trip curves Visual status indication Trip-free, snap-action mechanism cannot be manually overridden in an overload situation Full range of bus bars and accessories This document is valid for all products listed in the Ordering data on page 3.TMC 7... and TMC 8... Table of contents 1 Description.................................................................................................................................. 1 1.1 Typical applications........................................................................................................................................ 1 1.2 Features ......................................................................................................................................................... 1 2 Ordering data.............................................................................................................................. 3 3 Technical data ...........................................................................................................................11 3.1 Trip curve .................................................................................................................................................... 12 3.2 Current rating and voltage drop 25C ....................................................................................................... 12 3.3 Dimensions .................................................................................................................................................. 13 3.4 Environmental influences ............................................................................................................................. 14 4 Circuit breaker installation .........................................................................................................14 4.1 Mounting ...................................................................................................................................................... 14 4.2 Removal ....................................................................................................................................................... 14 4.3 DC connection diagram ............................................................................................................................... 14 5 Accessories ...............................................................................................................................15 6 Ordering data for accessories....................................................................................................16 7 Technical data for accessories ..................................................................................................17 7.1 Technical data for TMC 7/8 AUX and TMC 7/8 ALARM accessories ..........................................................17 7.2 Technical data for busbars and termination pins ......................................................................................... 18 8 Accessory descriptions..............................................................................................................19 8.1 Auxiliary contact (TMC 7/8 AUX).................................................................................................................. 19 8.2 Alarm contact (TMC 7/8 ALARM) ................................................................................................................. 19 8.3 Shunt trip (TMC 7/8...SHNT) ........................................................................................................................ 20 9 TMC 7/8 AUX / TMC 7/8 ALARM / TMC 7/8...SHNT installation ...............................................20 9.1 Busbars and related accessories ................................................................................................................. 21 3644 en D PHOENIX CONTACT 2/24