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The HKD3350 EATON 3P 350A 600V Molded Case Breaker is designed for reliable performance in heavy-duty applications. This three-pole circuit breaker offers exceptional protection and durability, ensuring your electrical systems operate efficiently and safely. Ideal for use in industrial settings, this breaker meets stringent safety standards and is built for longevity.
The HKD3350 is a bolt-on MCCB rated for industrial and commercial panelboards and switchboards designed to accept Eaton HKD-frame breakers. It is not suitable for residential loadcentres. Because panelboard compatibility depends on your specific enclosure's bus and frame provisions, we recommend sending us your panelboard model number so we can confirm a proper fit before you order.
Eaton's HKD frame has seen limited production in recent years and units can be difficult to source through standard distribution channels. Northern Breaker Group specializes in exactly this — obsolete and hard-to-find molded-case breakers. Contact our Calgary, Edmonton, or Vancouver counter for current stock availability or to request a quote.
The HKD3350 can serve as a main breaker, feeder breaker, or branch-circuit breaker depending on your system design and the panelboard it is installed in. At 350A / 600V with a 35kA interrupting rating, it is well-suited for main or feeder protection in industrial applications. Always verify that the panelboard's bus rating and AIC rating are compatible with your installation, and consult a licensed electrician to ensure compliance with the Canadian Electrical Code (CEC).
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