Altech UL489, UL508, & UL1077 Circuit Breakers     From UL489 to UL508, what about UL1077?  Which is the correct breaker to use for my application?  Seagate offers one of the broadest product offerings of breakers to meet your UL needs. The UL1077 recognized Supplementary Protectors have an industry standard rating of up to 63A @ 480Y/277V AC. The UL 489 listed Miniature Molded Case or Mini Circuit Breakers offer the highest electrical rating in the industry with 63A @ 240V AC and 32A @ 480Y/277V AC The full size UL489 listed Molded Case Circuit Breakers come in ratings from 15 to 225A @ 480V AC and 250 to 600A/600V AC. This wide selection of circuit protection devices gives the circuit design engineer a greater flexibility when laying out the panel. In addition, they provide the most cost effective solution, since they cover most applications with parts specifically designed to meet UL and NEC requirements. For further information, please click here for application examples.
UL489 Molded Case Breakers   Molded Case UL489 Breakers from 15 through 800amps  They are offered in both 35kA and 65kA SCCR ratings at 480VAC.     These low cost main breakers offer extensive attachments such as Auxiliary Contacts, Alarm Contacts, Shunt Trips, & UnderVoltage Trips.   They are offered in both Rotary and Flex Handle kit options for easy panel assembly   Contact Seagate Controls for more information