Description
Fogstar Energy 800A Busbar for 48V Battery Systems
The Fogstar Energy 800A Busbar provides a centralised DC power distribution point for larger 48V solar battery storage systems, allowing multiple batteries and inverters to be connected within a single protective enclosure.
Designed for residential, commercial and off-grid energy storage applications, the busbar simplifies the organisation of battery and inverter power cables while providing a robust connection point for multi-battery installations.
Rated for up to 800A continuous current, the unit features separate positive and negative nickel-plated copper busbars, four battery connection pairs and two inverter connection pairs.
Centralised 48V Battery Power Distribution
Large solar battery systems often require several battery modules to operate together alongside one or more compatible inverters.
The Fogstar Energy 800A Busbar provides a structured connection point for these installations, helping installers organise DC cabling and create a central power distribution arrangement.
- Four dedicated positive and negative battery connection pairs
- Two dedicated positive and negative inverter connection pairs
- Separate positive and negative nickel-plated copper busbars
- 800A continuous busbar current rating
- Compatible with 48V battery storage systems
Replaceable DC Fuse Protection
Each busbar is supplied with a replaceable Lanson HCL series DC strip fuse, selected according to the product configuration.
Available fuse ratings include 250A, 350A, 450A and 750A. All four options have an 80V DC voltage rating and 3kA breaking capacity.
The fuse provides an additional element of DC circuit protection. The correct fuse rating must be determined by the system design, cable current-carrying capacity, equipment limits and prospective fault current.
Important: The 800A busbar rating does not mean every installation or connected cable can safely carry 800A. The selected fuse and complete protection arrangement must be suitable for the actual system.
IP65-Rated Protective Enclosure
The busbar is housed within a robust IP65-rated enclosure designed to protect the internal electrical connections from dust and water ingress.
Cable glands provide entry points for connected battery and inverter cables, while sealing plugs can be used for unused openings.
The IP65 rating depends on correct installation, suitable cable glands and proper sealing of every cable entry.
Nickel-Plated Copper Busbars
Separate positive and negative nickel-plated copper busbars provide a common electrical connection point for the battery and inverter circuits.
This arrangement supports organised DC power distribution in systems with multiple parallel batteries.
Four Battery Connections and Two Inverter Connections
The Fogstar Energy busbar accommodates up to four battery connection pairs and two inverter connection pairs.
This makes it suitable for appropriately designed systems incorporating multiple Fogstar Energy 48V batteries or other compatible low-voltage battery equipment.
Battery and inverter compatibility, electrical ratings and system protection must be checked before installation.
Flexible Power Cable Compatibility
The enclosure is designed to accommodate common high-current battery and inverter cable sizes.
- 50mm² power cables
- 70mm² power cables
- 95mm² power cables
- M8 terminal bolt connections
Actual cable sizing must be calculated for the installation, taking account of current, cable length, installation method, temperature and protective device requirements.
Key Features
- 800A continuous rating: High-capacity DC busbar for larger 48V systems.
- Replaceable fuse: Supplied with the selected DC strip fuse rating.
- IP65 enclosure: Dust and water ingress protection when correctly installed.
- Four battery connections: Dedicated positive and negative connection pairs.
- Two inverter connections: Supports two compatible inverter connection pairs.
- Nickel-plated copper: Separate positive and negative busbars.
- Flexible cable routing: Multiple cable-entry positions.
- Wide cable compatibility: Supports 50mm², 70mm² and 95mm² power cables.
- Enclosed design: Keeps DC power connections within a dedicated housing.
Technical Specifications
- Manufacturer: Fogstar Energy
- Product: 800A Busbar for 48V Battery Systems
- Busbar Continuous Current Rating: 800A
- Fuse Series: Lanson HCL 80V DC
- Available Fuse Ratings: 250A / 350A / 450A / 750A
- Fuse Voltage Rating: 80V DC
- Fuse Breaking Capacity: 3kA
- Alternative Fuse Type: Suitable Class T fuse
- Battery Connections: 4 positive/negative pairs
- Inverter Connections: 2 positive/negative pairs
- Busbar Material: Nickel-plated copper
- Compatible Cable Sizes: 50mm² / 70mm² / 95mm²
- Terminal Bolt Size: M8
- Ingress Protection: IP65
- Enclosure Dimensions: 600 × 265 × 132.5mm
- Overall Dimensions: 668.6 × 333.6 × 132.5mm
- Weight: 9.32kg
Ideal Applications
- 48V lithium solar battery storage installations
- Multiple battery systems connected in parallel
- Residential renewable energy storage
- Commercial solar battery installations
- Off-grid and backup power systems
- Systems requiring organised DC distribution
- Compatible multi-inverter installations
Technical Downloads
Download the fuse manufacturer’s technical document for information about the Lanson HCL DC strip fuse series.
Installation Information
This is a high-current DC electrical distribution product and must be installed by a suitably qualified professional.
Fuse selection, cable sizing, short-circuit protection, terminal tightening and system compatibility must be verified against the complete installation design.
All equipment should be isolated and installation work completed in accordance with the relevant manufacturer instructions and applicable electrical standards.
