Midnite Solar, MNDC250 Plus Mini DC Disconnects

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Quick Overview

• Aluminum chassis. (no rust in the tropics or around salt water)
• Hinged door for easy access to electrical circuits
• Inverter breaker included (125, 175 or 250 amp)

Midnite Solar, MNDC250 Plus Mini DC Disconnects

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MNDC250 Plus Mini DC Disconnects

The MNDC Plus version of the popular MNDC adds another din rail allowing up to ten din rail mount breakers. Two din rail cover plates and two panel mount plates are included. The panel mount plates allow for mounting the ¾” 125VDC breakers that range from 60 amps to 100 amps. You can also fit the MNDC-GFP80 plus four more panel mount breakers in the enclosure. Another configuration would be one MNDC-GFP, one ¾” panel mount breaker and five din rail breakers as well as the large 125-250A inverter breaker. Mounting is provided for a 500 amp shunt and a MNTBB-R terminal bus bar. Battery negative stud is included as well as a ground busbar.

The Mini-DC was designed to take into account many different types of renewable energy installations. These installation instructions will describe and show some of the more common possibilities.


• Din rail for DC circuits such as PV in, Chg Cntrl out, DC-GFP, DC loads, PV combiner
• Ground bus bar with 14 poles
• Six mounting spots for 500 amp, 50mV shunt
• Mounting spot for insulated bus bar (for PV negative connection point)
• Knock outs for inverter and battery cables, charge control mounting, DC & PV in & out
• 5/16” diameter stud for battery negative tie point

Wiring Diagram:

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