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Circuit Protection

Industry leading UL489, UL508 & UL1077 Listed Circuit Breakers, Manual Motor Protectors, Contactors and Overload Relays for 0.2 to 63A single and three phase applications and ½ - 600 HP motors.

Auxiliary contact blocks, busbars, power distribution systems and accessories are available for most applications.



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Tier1Automation is an ISO 9001:2008 registered, online division of MSRC Co., a trusted electronic and electrical distributor to fortune 500 companies for more than 20 years.

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