Sigenergy - SigenStack DC Combiner Box
SKU: SigenStack BC CMB-4
The Sigenergy - SigenStack DC Combiner Box (SKU: SigenStack BC CMB-4) is a specialized high-capacity DC aggregation unit designed for Sigenergy SigenStack energy storage installations. Built to overcome single controller-to-inverter limitations, this combiner box aggregates the DC power output of up to four individual SigenStack Battery Controllers into a single hybrid inverter connection. Operating at a maximum current rating of 180 A and housed in an IP55 weatherproof enclosure, it provides unprecedented design flexibility, increased energy storage capacity, and extended backup duration for commercial and high-capacity residential applications.
Key Features: Sigenergy - SigenStack DC Combiner Box
- Multi-Controller Parallel Aggregation: Connects up to 4 SigenStack Battery Controllers in parallel to 1 single hybrid inverter.
- Flexible Capacity Mixing: Allows connected individual SigenStack battery systems to feature different battery capacities for customized backup sizing.
- High Operational Current Capability: Supports up to 180 A maximum operating current for both connected battery controllers and the hybrid inverter interface.
- Dedicated Interfaces: Features separate DC cable terminals for each battery controller (BAT+/BAT-), a designated inverter DC output interface (BAT+/BAT-), and an RJ45 network interface for communication.
- Weatherproof Design: Built with an IP55 system ingress protection rating to withstand varied field installation environments.
- Optimized Compatibility: Designed specifically to integrate with compatible SigenStack Battery Controllers featuring the -BST model designation.
Basic Specs: Sigenergy - SigenStack DC Combiner Box
- Product Model: SigenStack BC CMB-4
- Product Code: 11112000
- Max. Operating Current (Battery Controller): 180 A
- Max. Number of Battery Controller Connections: 4
- Max. Operating Current (Inverter): 180 A
- Max. Number of Inverter Connections: 1
- System Ingress Protection Rating: IP55
- Compatible Battery Controllers: SigenStack BC M2-0.5C-BST, SigenStack BC M2-1C-BST
- Communication Port: RJ45 Network Interface
- Product Dimensions (W x D x H): 730 x 217.5 x 650 mm
- Product Weight: 35 kg
What’s Included: Sigenergy - SigenStack DC Combiner Box
- Sigenergy SigenStack DC Combiner Box Unit (Model: SigenStack BC CMB-4)
- Wall-Mounting Bracket and Fasteners
- Communication and Power Connector Hardware
- Documentation and Setup Guide
Why Choose AC Solar Warehouse for Sigenergy - SigenStack DC Combiner Box?
When sourcing the Sigenergy - SigenStack DC Combiner Box through AC Solar Warehouse, you benefit from industry-leading commercial solar expertise, guaranteed authentic equipment, and dedicated technical service. AC Solar Warehouse offers end-to-end support for commercial and residential installers—from pre-sale system design and string sizing verification to post-commissioning assistance. With stock availability and robust logistics networks, AC Solar Warehouse ensures your energy storage projects are executed efficiently and backed by trusted industry professionals.