Engineered for commercial power distribution, the Square D QDL32100 is a 3-pole, 100A MCCB from the PowerPacT Q-Frame family. It provides dependable long-time and instantaneous (LI) thermal-magnetic trip functions. This unit mount breaker installs into Square D NQ panelboards, switchboards, and individual enclosures. It also replaces legacy Q2L3100 breakers. Rated at 25kAIC at 240VAC, it features a push-to-trip mechanism and Visi-Trip visual indicator for quick status checks.
What type of panelboards are compatible with the QDL32100?
This breaker is designed for use in Square D NQ panelboards, switchboards, and individual enclosures. It utilizes a unit mount, feed-thru connection rather than a plug-on or bolt-on design.
How does the QDL32100 differ from the QGL32100 and QJL32100?
The third letter in the Q-Frame catalog number indicates the interrupting rating. The QDL32100 is rated for 25kAIC at 240VAC, while the QGL32100 is rated for 65kAIC and the QJL32100 is rated for 100kAIC. All three share the same physical footprint and mounting style.
Does the QDL32100 come with lugs, and what wire sizes do they accept?
Yes, this breaker includes factory-installed lugs on both the line and load sides. They are designed to accept 4 AWG to 300 kcmil aluminum or copper conductors.
Can the QDL32100 be used as a main breaker in a QO load center?
Yes, this breaker can be field-installed as an alternate main circuit breaker in three-phase QO load centers rated between 70A and 225A.
What does the LI trip function mean on the QDL32100?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) protection against overloads and Instantaneous (I) protection against short circuits. Both settings are fixed on this breaker.
Can the QDL32100 be reverse fed?
Yes, Square D PowerPacT Q-Frame circuit breakers, including the QDL32100, are suitable for both forward and reverse fed applications.
Is the QDL32100 rated for 480V or 600V systems?
No, the QDL32100 has a maximum voltage rating of 240VAC. It is not suitable for 480V or 600V applications.
Does the QDL32100 use a plug-on or bolt-on connection?
Neither. The QDL32100 is a unit-mount, feed-thru circuit breaker. It mounts directly to the panel or enclosure backpan and uses lugs for both line and load wire connections.
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Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.