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NQ single phase
New or replacement
Depending on the AIC rating, whether it is fully rated, or series rated, a QBL,QDL, or QGL type breaker up to 225A max with a NQMB2Q main breaker kit or HDL, HGL, HJL or HLL up to 150A or a JDL, JGL, JJL, or JLL 150 - 225A with a NQMBHJ or similar 3 pole breaker per the * footnote on p. 9-7 of the digest 176. The B phase lug on the breaker can be removed to avoid confusion. The bus links on the outer poles of the adapter kit and the deadfront cutout only work with 3p breakers.
**** NOTE***** You must know the application, aic rating, and fully or series rating to select the main and branches. The above advises the types of mains that can be used only!