Altech's circuit breaker line is built for reliable protection in industrial panels and control systems. With UL1077 supplementary protectors, UL508 manual motor controllers, and UL489 branch circuit breakers, the portfolio supports a wide range of application requirements.  

• UL1077 - Supplementary protection for control circuits and load-side applications  
• UL508 - Manual motor controllers designed for motor and industrial control applications  
• UL489 - Branch circuit protection for higher current loads  
• Current ratings up to 63 A  
• DIN rail mounted designs for space-saving panel layouts  
• Short circuit interrupting capacity up to 10 kA, depending on model  
• Available in 1-, 2-, and 3-pole versions, with some 4-pole options  

See how Altech circuit breakers can support your next industrial control or power application.