Dyness STACK314 BDU Single Unit
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Model: STACK314
Brand: Dyness
Type: Battery Disconnect Unit (BDU) / Master BMS Head Unit
Key Features
- Dedicated Battery Disconnect Unit for Dyness STACK314 high-capacity battery systems.
- Integrated Master BMS for battery management, system communication, and protection.
- High-current DC isolation breaker enables safe system shutdown, maintenance, and emergency isolation.
- Supports CAN and RS485 communication protocols for seamless inverter integration.
- Designed for large-scale modular battery installations in residential, commercial, and industrial applications.
- Provides centralized monitoring, protection, and charge/discharge control across the battery stack.
- Coordinates battery module communication and system-level fault management.
Specifications
| Category | Details |
|---|---|
| Compatibility | Dyness STACK314 Battery Modules |
| Function | Master BMS + DC Isolation Breaker |
| Nominal System Voltage | 51.2V Module Architecture |
| Communication Interfaces | CAN / RS485 |
| Safety Features | Overcurrent Protection, System Monitoring, Stack-Level Protection |
| Application Use | Residential, Commercial, and Industrial Energy Storage Systems |
| Installation Position | Top-Mounted Master Unit on STACK314 Battery Tower |
| Operating Role | Controls Charge/Discharge Coordination Across the Battery Array |
| System Integration | Manages Communication Between Battery Stack and Inverter |
| Protection Function | System Isolation, Fault Detection, and Battery Protection |
Quality & Support
The Dyness STACK314 BDU serves as the central control and protection unit for the STACK314 energy storage platform. Combining advanced battery management, communication control, and DC isolation functionality, it ensures safe operation, reliable system coordination, and long-term battery performance. Designed for demanding residential, commercial, and industrial installations, the STACK314 BDU provides the foundation for stable and scalable high-voltage energy storage systems.
STACK314 SPEC SHEET
INSTALLATION MANUAL

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