MidNite Solar MNBCB 500/50 500A DC Battery Combiner Box
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Description
Description
The MidNite Solar MNBCB 500/50 DC battery combiner box brings multiple battery-string connections into one organized enclosure. Rated at 500A and up to 150V DC, it includes positive and negative busbars with 3/8-inch studs for battery cable connections.
Designed for indoor battery storage installations, its powder-coated Type 1 enclosure provides multiple conduit knockouts and mounting locations for optional circuit breakers. The MNBCB 500/50 is ETL Listed to UL 1741 for use in the United States and Canada.
Key Features
- 500A busbars: Positive and negative busbars provide a central connection point for multiple battery strings.
- Flexible cable routing: Combination knockouts accommodate different conduit sizes.
- Optional breaker support: Mounting locations for 4 large and 20 small MNEDC circuit breakers.
- Indoor enclosure: Type 1 construction for indoor installations.
- Made in the USA: Backed by a 5-year manufacturer warranty.
Technical Specifications
| Model | MNBCB 500/50 |
|---|---|
| Rated current | 500A |
| Maximum DC voltage | 150V DC |
| Busbars | 500A positive and negative busbars |
| Connection studs | 3/8 inch |
| Enclosure | Powder-coated, Type 1 indoor |
| Dimensions | 26 11/16 × 17 5/16 × 4 11/16 inches |
| 3/4-inch and 1-inch combination knockouts | 24 |
| 1-1/2-inch and 2-inch combination knockouts | 8 |
| Large breaker locations | 4; for optional MNEDC-125 or MNEDC-175–250 breakers |
| Small breaker locations | 20; for optional MNEDC 1–100A breakers |
| Certification | ETL Listed to UL 1741 for use in the United States and Canada |
| Warranty | 5 years |
| Country of manufacture | USA |
Included and Optional Components
Includes the combiner enclosure and 500A positive and negative busbars. Circuit breakers are optional and sold separately. The 500A/50mV MNSHUNT and third busbar MNBCB-BUSBAR500 are optional accessories and are not included.
Product Documentation
Shipping & Returns
Shipping & Returns
- Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
- Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
- If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
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