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The SQDJDL36175 is a reliable Square D 3-pole circuit breaker rated for 175 amps and 600 volts, designed for optimal performance in industrial and commercial applications. Featuring a robust construction, it ensures superior protection for your electrical systems. Ideal for heavy-duty use, this breaker combines safety with efficiency to safeguard your equipment.
The JDL frame is the higher-interrupting-capacity variant of Square D's J-frame series, sharing the same physical footprint as the standard JD frame. In many panelboards they are mechanically interchangeable, but you must verify that the panelboard's interrupting rating and interior are rated for the JDL. Never downgrade from a JDL to a JD if the application requires the higher AIC rating. Contact us and we can help you confirm the correct replacement.
Availability on specific Square D J-frame variants can vary — some configurations have been discontinued or have long lead times through standard channels. Northern Breaker Group specialises in hard-to-find and obsolete breakers, maintaining stock of legacy Square D MCCBs. Contact our Calgary, Edmonton, or Vancouver counter for current availability and lead times.
Yes — a 600V-rated 3-pole MCCB like the JDL36175 is suitable for use on 347/600V wye systems standard in Canadian commercial and industrial installations, provided the panelboard or switchboard is also rated for 600V and the application's fault current does not exceed the breaker's interrupting capacity. Always confirm with your engineer or inspector for code compliance.
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