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MidNite Solar MNSOB3R-4P Combiner Box w/ Disc

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  • MNSOB3R-4P
MidNite Solar
MSRP: $740.00
$437.15 (You save $302.85)
SKU: ALG-053-02964
Note: 2-3 Week Lead Time
Condition: New
Weight: 10.00 LBS
Shipping: Calculated at checkout

 Product Description

MidNite Solar Disconnect Combiner Box - MNSOB3R-4P

Midnite Solar, Shut Off Box, 4 Pole Disconnect Control Switch, 20A per pole, 600VDC, for Birdhouse compatiblity-Add MNDiscoPSB, NEMA 3R, MNSOB3R-4P

4 strings into the combiner with 2 separate 30 amp strings out. Specifically designed for the new dual channel MPPT on transformer-less inverters. This configuration will break the Positive and Negative of 2 separate 600vdc strings.

The difference between the regular Disco combiner and the DLTL version is that the MNPV8HV-Disco-4X is made for a single 8 string inverter, two 4 string inverters or one 4 string transformerless where as the DLTL is set up for 4 strings in and 2 strings out for Dual MPPT on transformerless.


  • Highlights - Rapid shutdown system compliant. Birdhouse compatible. Type 3R aluminum enclosure (No Rust). Number of Fuse Holders (MNTS) installed - 8. 8 - 15 amp fuses installed. Current Rating - 60A. Max. Output Wire Size - 2/0. Output Circuits - 2. 90 degree C connections. See through dead front and color coded bus bar guards. #10 AWG wire internally. Meets 2014 NEC 690.12. Warranty - 5 yrs. Listed by ETL for US & Canada. Made in the USA.
  • Hardware Includes - Four - Strain Reliefs. Four - 1/2" LOCKNUTS. One BLUE WRENCH (MNWRENCH).


General Information  
Manufacturer: MidNite Solar
Product Line:
PV Combiners
Model ID:
Manufactured In: United States of America
Certifications and Safety Ratings: ul.jpg etl.jpg ce.gif fcc.jpg made-in-america.png


Mechanical Data
Technology: Combiner Box with Envoy
19.00 x 5.00 x 16.00 inches
Weight: 10.00 lbs
Maximum Volts: 600 Volts
Fuse/Fuse Holders: Not Required
Lug Temperature Rating: 90°C
Strain Reliefs & Hole Plugs: No
Enclosure Rating:
Type 3R
Enclosure: Powder Coated Aluminum
Number of PV Circuits: Four 2+ & 2-
Maximum String Fuse Rating: 20 Amp
Output Switch Rating: 100 Amp Switch
Positive Feed-Back: Yes
Optional Power Supply Board (MNDiscoPSB): Yes
Strings In/Out: Two/Two
Lockable: Yes
Listed to UL & CSA: UL1741 & C22.2
Output Wire Range: 10 AWG
Wire Range for String Input: 14 to 10 AWG
Mounting Options and Angle: Vertical Wall Mount, Pole Mount or Sloped Roof Mount to 14 Degrees Incline


Document Type
logo-adobe-pdf-2.jpgMidNite Solar MNPVSOB3R-4P Specs Specifications
logo-adobe-pdf-2.jpgMidNite Solar MNPVSOB3R-4P Installation Installation Guide
Warranty 5 Year Standard Warranty
logo-adobe-pdf-2.jpgMidNite Solar MNPVSOB3R-4P Warranty Warranty


Terms & Conditions
Shipping: Shipping Policy
Returns: Returns Policy
Payments: We accept: Visa, MasterCard, Discover, and American Express. We also accept checks, direct deposit and wire transfers for large orders.


MidNite Solar - MidNite Solar MNSOB3R-4P Combiner Box w/ Disc
Price: 437.15
Condition: new
Contact Us  

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We carry everything you need for your grid-tied or off-grid system, including plans, permits and diagrams. Our Solar Panels, Inverters, Racking and Mounting are second to none in quality, reliability, efficiency and lifespan. When going solar with us, we help you every step of the way in sourcing the products that matter for your investment.

Let us design and supply your system for less using the best products in the solar energy market. We are proud to be a preferred distributor for solar installers and DIY homeowners alike.

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 Warranty Information

Warranty: 5 Year Standard Warranty

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