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MidNite Solar MNBCB 500/50 battery combiner box

Name: MidNite Solar MNBCB 500/50 battery combiner box
Brand: MidNite Solar
SKU: MNBCB 500/50

By MidNite SolarSold by AmazonSKU MNBCB 500/50

Combiner boxes, disconnects and E-Panels

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$479.99

$479.99 at Amazon

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Device typeBattery combiner box PV string inputsNot stated Voltage rating277VAC; 150VDC Current rating500 A Included breakers or fusesNo shunt included (500 amp 50mv shunt optional); positive and negative 500 amp bus bars; breaker locations sold separately EnclosureType 1 (indoor)

Key specs

Units

SKU: MNBCB 500/50
Official product page
Sources
Model number as printed in the model table of MidNite Solar's own product page.
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: Model table
Documented
Device type: Battery combiner box
Official product page
Sources
Printed as "MidNite 500amp battery combiner box".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Dimensions: 35.5 L
Calculated: Enclosure volume: W × H × D ÷ 1,000,000
D: 119.1 × W: 439.7 × L: 677.9 mmD: 4.69 × W: 17.31 × L: 26.69 in convertedOfficial product page
Sources
Converted: 26.6875 x 17.3125 x 4.6875 in x 25.4 mm/in, rounded to 0.1 mm
Printed in the Size column as 26 11/16” x 17 5/16” x 4 11/16”; converted from inches; MidNite does not name the axes, so the figures are kept in the printed order.
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: Model table, Size
Calculated
Current rating: 500 A
Official product page
Sources
The bus bar rating, printed as "MidNite 500amp battery combiner box includes a 500A Positive and Negative bus bar with 3/8 inch studs".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Enclosure: Type 1 (indoor)
Official product page
Sources
Printed as "Environment Rating - Type 1 environmental rating (indoor)".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Voltage rating: 277VAC; 150VDC
Official product page
Sources
Printed as "Max. AC Voltage - 277VAC" and "Max. DC Voltage - 150VDC".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Included breakers or fuses: No shunt included (500 amp 50mv shunt optional); positive and negative 500 amp bus bars; breaker locations sold separately
Official product page
Sources
Printed as "500amp 50mv shunt optional "MNSHUNT"", "MidNite 500amp battery combiner box includes a 500A Positive and Negative bus bar with 3/8 inch studs" and "Has locations for up to 20 of the 3/4 inch wide and 4 of the 1.5 inch wide MNEDC breakers".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented

All specs6

Device type: Battery combiner box
Official product page
Sources
Printed as "MidNite 500amp battery combiner box".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Dimensions: 119.1 D × 439.7 W × 677.9 L mm4.69 D × 17.31 W × 26.69 L in converted
Converted: 26.6875 x 17.3125 x 4.6875 in x 25.4 mm/in, rounded to 0.1 mm
Official product page
Sources
Converted: 26.6875 x 17.3125 x 4.6875 in x 25.4 mm/in, rounded to 0.1 mm
Printed in the Size column as 26 11/16” x 17 5/16” x 4 11/16”; converted from inches; MidNite does not name the axes, so the figures are kept in the printed order.
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: Model table, Size
Converted
Current rating: 500 A
Official product page
Sources
The bus bar rating, printed as "MidNite 500amp battery combiner box includes a 500A Positive and Negative bus bar with 3/8 inch studs".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Enclosure: Type 1 (indoor)
Official product page
Sources
Printed as "Environment Rating - Type 1 environmental rating (indoor)".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Voltage rating: 277VAC; 150VDC
Official product page
Sources
Printed as "Max. AC Voltage - 277VAC" and "Max. DC Voltage - 150VDC".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented
Included breakers or fuses: No shunt included (500 amp 50mv shunt optional); positive and negative 500 amp bus bars; breaker locations sold separately
Official product page
Sources
Printed as "500amp 50mv shunt optional "MNSHUNT"", "MidNite 500amp battery combiner box includes a 500A Positive and Negative bus bar with 3/8 inch studs" and "Has locations for up to 20 of the 3/4 inch wide and 4 of the 1.5 inch wide MNEDC breakers".
Official product page: MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture) Checked Nov 2, 2026 · Earlier document
Location: DESCRIPTION
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

WEB
MidNite Solar MNBCB 500/50 product page (November 2, 2026 capture)OfficialMidNite SolarOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
MidNite Solar product page for the MNBCB 500/50; captured 2026-11-02T23:18:55.677Z (archived copy).
Location: Model table and DESCRIPTION
Retrieved Nov 2, 2026
MidNite Solar's own product page for the MNBCB 500/50 (model table and description), fetched directly from www.midnitesolar.com with the paced research fetcher on November 2, 2026 (robots.txt checked first; request ended 23:18:55.677 UTC). Manufacturer claims, not independent tests.
Open