Motor Protection Circuit Breakers


c3controls’ Series 330 Motor Protection Circuit Breakers are your solution for saving panel space and providing overload and short circuit protection for your motor control applications. They meet UL and CSA standards requirements as Manual Motor Controllers suitable for use as Motor Disconnects and meet the National Electrical Code requirements for use in multi-motor applications. c3 circuit breakers also meet applicable IEC standards for circuit breakers and starters providing isolation functionality. They also come in universal ratings and markings: A, kW, and HP ratings as well as applicable 3rd party certification markings. Two versions are available in c3 circuit breakers – with thermal and magnetic trip elements that provide overload protection and short circuit protection, and magnetic trip element only for short circuit protection. They are ideal for use with Series 300 Contactors in group motor installations where panel space is a premium and device modularity is required to satisfy virtually any application requirement. Circuit breakers by c3controls can also be used by themselves as manual motor controllers in the simplest applications. The ON/OFF manual operator enables motor circuits to be easily isolated without having to disconnect all of the circuits in a control panel. c3 circuit breakers have visible trip indication for fast identification of which device tripped in a control panel where multiple motor protection circuit breakers are installed. A test function is included to verify the performance of the device and the proper operation of the control circuit and accessories. Modular design and wide variety of accessories including auxiliary contacts, shunt and undervoltage release modules, and many wiring accessories such as communing links and feeder terminals for easy distribution of power to multiple motor protection circuit breakers. Snap-on accessories are easily installed without the use of tools, lowering assembly and installation costs. Combination head terminal screws allow the use of “straight”, “phillips”, or “posidrive” screwdrivers for fast and reliable wiring. This year marks c3controls’ 30th year in industrial controls, which means celebrating thirty years of unparalleled quality, world-class customer care, best pricing, same-day shipping, satisfaction guarantee and an unsurpassed two-year warranty on your control purchases.
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