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The HFD3175 – EATON 3P175A 600V Molded Case Breaker is designed for robust performance and reliable protection in demanding electrical engineering applications. This three-pole breaker offers a 175 amp rating, suitable for systems up to 600 volts. Ideal for both commercial and industrial environments, it ensures safety and efficiency in power distribution.
The HFD3175 carries a 25kA interrupting capacity at 600V AC. This is suitable for many commercial and industrial distribution systems, but you must verify that your available fault current (AFC) does not exceed 25kA at the point of installation. If your system has higher fault levels, a higher-interrupting-capacity HFD variant or a different frame may be required — contact us and we can help you select the right breaker.
Yes. The Eaton HFD frame is commonly applied on both feeder protection and motor branch circuits in commercial and industrial settings. At 175A/3-pole/600V, it is well suited for protecting large motor feeders or sub-panel feeds. Ensure the breaker's trip characteristics (thermal-magnetic) align with your load type — motor applications may require checking against NEC/CEC motor protection requirements.
Eaton's HFD frame has seen production changes over the years, and availability can vary. Northern Breaker Group specializes in hard-to-find and obsolete breakers — if the HFD3175 is no longer available through standard distribution channels, we can source tested surplus or equivalent units. Contact our Calgary, Edmonton, or Vancouver counters for current stock and lead times.
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