Installation Guide

MNPV12 & 16 Combiner Instructions (continued)
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PV input knockouts for these combiners are a
dual concentric knockout that can accept
bulkhead mount MC cable connectors.
Configuring these enclosures with the
bulkhead mount connectors in advance can
save time in the field. Several brands will fit
the ½” diameter knockouts.
Internal wiring MNPV12-250 busbars joined Wiring diagram for MNPV12-250 (joined & separated)
The MNPV12 has 2/0 box lugs for the plus busbars and 1/0 openings on the PV minus and ground. Note: the
MNPV12-250 has special busbars that are made exclusively for the MidNite 300 volt breakers. These
breakers take up the space of two regular 13mm wide breakers. The 300 volt breakers are used for high
voltage off-grid PV arrays that will employ the MidNite Classic 250 MPPT controller. The 250 volt busbar is
rated for up to 168 amps continuous.
MNPV16 bottom dimensions