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The Square D N150MH is a 150 amp main circuit breaker adapter kit designed for NF panelboards. This installation accessory allows the use of HGL, HD, HLL, and HJL circuit breakers. It features modular construction for field-installable accessories and conversion kits. This type of panelboard is common in commercial and industrial applications.
This kit enhances flexibility in electrical installations, ensuring compatibility with multiple circuit breaker options.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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