Operating within the PowerPacT Q-Frame family, the Square D QDL32150 delivers 150A of molded case circuit protection. It provides essential long-time and instantaneous overcurrent protection for 240VAC commercial electrical systems. This unit mount MCCB is engineered to fit into Square D NQ panelboards and individual enclosures. It serves as a seamless replacement for the discontinued Q2L3150.
What is the difference between QBL, QDL, QGL, and QJL circuit breakers?
These prefixes identify the short-circuit interrupting rating of the PowerPacT Q-Frame breakers at 240VAC. The QBL is rated 10kAIC, QDL is 25kAIC, QGL is 65kAIC, and QJL is 100kAIC.
Is the QDL32150 a direct replacement for the legacy Q2L3150?
Yes, the PowerPacT QDL32150 is a direct, seamless replacement for the discontinued Square D Q2L3150 circuit breaker.
Are the line and load lugs included with this unit?
Yes, this feed-thru circuit breaker comes equipped with factory-installed lugs on both the line and load ends, accepting 4 AWG to 300 kcmil copper or aluminum wire.
How does a unit mount breaker install in a panel?
Unit mount breakers are fastened directly to the panel backpan using mounting screws and are wired via cable connections to the lugs, unlike plug-on or I-Line bus-mounted breakers.
Can the QDL32150 be installed in a Square D NQ panelboard?
Yes, Q-Frame breakers can be installed in NQ panelboards where they are commonly utilized as main or sub-feed circuit breakers.
Is this breaker suitable for use on a 208Y/120V system?
Yes, the QDL32150 is fully rated for 208Y/120VAC systems and provides the same 25kAIC interrupting capacity as it does at 240VAC.
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Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.