MidNite Solar MNBCB 500/50 500A DC Battery Combiner Box
Pickup currently unavailable at USA Fulfillment Center
Talk to Real Experts Anytime
Talk to Real Experts Anytime
Lifetime tech support from our in-house specialists
Hassle Free Warranty
Hassle Free Warranty
Effortless Warranty for Your Ease.
Unbeatable Value, Guaranteed
Unbeatable Value, Guaranteed
Find it cheaper elsewhere? We'll match it.
Speak To a Solar Specialist
MidNite Solar MNBCB 500/50 500A DC Battery Combiner Box
solar industry experience
10,000+ American
customers
return policy
Warranty
What it is, and what it is for
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
Before you order.
If yours isn't here, ask an engineer. It costs nothing and it's the step most people skip.
What if I'm not sure this is the right product?
Ask before you order. Send us what you need to run, or your pool or well figures, and an engineer will confirm the choice — it costs nothing. Or use the finder below, which sizes from what you actually run and shows its reasoning.
Read it all? Add it to your cart.
Same price and options as at the top of the page. Shipping is worked out at checkout from your address.
