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Renogy REGO 3 Port 400A Battery Combiner Box (REC400RBCB-3P-US)
Model: REC400RBCB-3P · SKU: REC400RBCB-3P-US
Prepared Nov 12, 2026
Common specifications
| Device type | Battery combiner box for up to 3 REGO batteriesSource [1] |
|---|---|
| PV string inputs | Not documented |
| Voltage rating | Not documented |
| Current rating | 400 ASource [1] |
| Included breakers or fuses | Not documented |
| Enclosure | Not documented |
| AC / DC rating | DCSource [1] |
| Interrupt rating | Not documented |
| Safety listing | Not documented |
| Mounting | Not documented |
| Weight | |
| Dimensions | |
| Enclosure volume | 15.8 L** Calculated from recorded external dimensions |
| Warranty term | 1 yearSource [1] |
All recorded specifications
| AC / DC rating | DCDocumented claim ConditionsA battery combiner box on the DC battery side; printed as "Designed specifically to work with REGO batteries with 300A max charging current, and 350A max discharging current". Location: Store page description A battery combiner box on the DC battery side; printed as "Designed specifically to work with REGO batteries with 300A max charging current, and 350A max discharging current". Location: Store page description |
|---|---|
| Connection | 4 Gray Anderson 350 connectors; 2 M8 insert terminals (M8 x 1.25 x 20 mm screws)Documented claim ConditionsPrinted as "Connector: Gray Anderson 350 Connectors (4)", "Terminal: M8 Insert Terminals (2)" and "Terminal Screw: M8 x 1.25 x 20 mm"; the connector is rated 600VAC/DC and 500A. Location: Store page specification block, Connector and Terminal Printed as "Connector: Gray Anderson 350 Connectors (4)", "Terminal: M8 Insert Terminals (2)" and "Terminal Screw: M8 x 1.25 x 20 mm"; the connector is rated 600VAC/DC and 500A. Location: Store page specification block, Connector and Terminal |
| Current rating | 400 ADocumented claim ConditionsPrinted as "Rated Current: 400A". Location: Store page specification block, Rated Current Printed as "Rated Current: 400A". Location: Store page specification block, Rated Current |
| Device type | Battery combiner box for up to 3 REGO batteriesDocumented claim ConditionsPrinted as "One Battery Combiner Box can connect with up to 3 REGO batteries." Location: Store page description and title Printed as "One Battery Combiner Box can connect with up to 3 REGO batteries." Location: Store page description and title |
| Dimensions | 346 D × 225 D × 203 D mm13.6 D × 8.86 D × 7.99 D in convertedDocumented claim ConditionsPrinted as "346 x 225 x 203 mm (13.62 x 8.86 x 7.99 inch)"; no axes are named, so the figures are kept in printed order. Location: Store page specification block, Dimension Printed as "346 x 225 x 203 mm (13.62 x 8.86 x 7.99 inch)"; no axes are named, so the figures are kept in printed order. Location: Store page specification block, Dimension |
| Operating temperature | -20 to 50 °C-4 to 122 °F convertedDocumented claim ConditionsPrinted as "-4°F~122°F (-20°C~50°C)". Location: Store page specification block, Operating Environment Temperature Printed as "-4°F~122°F (-20°C~50°C)". Location: Store page specification block, Operating Environment Temperature |
| Weight | 10 kg22 lb convertedDocumented claim ConditionsPrinted as "Weight: 10.0 kg (22.05 lbs)". Location: Store page specification block, Weight Printed as "Weight: 10.0 kg (22.05 lbs)". Location: Store page specification block, Weight |
Warranty
| Warranty term | 1 yearDocumented claim ConditionsPrinted as "Material and Workmanship Warranty: 1 Year". Location: Store page specification block, Warranty Printed as "Material and Workmanship Warranty: 1 Year". Location: Store page specification block, Warranty |
|---|
Certificate records
No records documented.
Sources and revisions
- Renogy US store product data: REGO 3 Port 400A Battery Combiner Box (November 1, 2026 capture)Official product page · Checked https://www.renogy.com/products/rego-3-port-400a-battery-combiner-box.js