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The QBM32100TN is a reliable Square D 3-Phase Circuit Breaker with a 100A capacity, designed for 240V applications. This high-quality breaker ensures optimal protection for your electrical systems, featuring a compact design ideal for various installations. Perfect for both residential and commercial use, it guarantees durability and performance.
The QBM32100TN is a bolt-on MCCB designed for Square D panelboards and switchboards that accept QBM-frame breakers. It is not a plug-in breaker and will not fit standard QO or Homeline residential loadcentres. Contact our team with your panel model number and we'll confirm the right fit.
The QBM series has been phased out of Square D's standard production line, making the QBM32100TN a hard-to-find breaker. Northern Breaker Group specializes in sourcing obsolete and discontinued Square D breakers — reach out for current stock availability and lead times.
Yes — the QBM32100TN is well-suited as a 3-pole, 3-phase branch or feeder breaker in commercial panelboards rated for 240V systems. With a 10kA interrupting rating, verify that your system's available fault current does not exceed this threshold. Our team can help assess suitability for your specific installation.
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