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Altech Circuit Breakers

Our buyout includes over 13,000 breakers and hundreds of part numbers. Most of what we have for sale falls into two product families:

• UL1077 breakers typically used for SUPPLEMENTAL (control circuit) PROTECTION
• UL489 breakers typically used for BRANCH (power circuit) PROTECTION.

Please refer to the images and explanations below to guide you as you drill down into the products.

	UL1077 (click here to access these products) When your application requires supplemental protection for control circuits and on the load side of branch circuit protectors Altech has solutions. We offer a competitive line of AC Supplementary Protectors, up to 63A, in 1 to 3 poles at 480Y/277VAC with a 10kA short circuit withstand rating. Want the ultimate details? You can access PDF documentation for the Altech UL1077 products by clicking this link.
	UL489 (click here to access these products) When you need branch circuit protection, Altech offers UL489 Miniature Molded Case Circuit Breakers in both AC and DC voltages. The AC version offers dual voltage rated circuit breakers at 0.2-63A/240VAC and 0.2-32A/480Y/277VAC in 1-3 poles. Altech is the only company that offers a 14kA, 20A C curve single phase breaker at 277V AC. The DC version offers 0.2-63A at 125V (1 pole) and 250V (2 pole). Want the ultimate details? You can access PDF documentation for the Altech UL489 products by clicking this link.

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