200A Hybrid Charging for the 12kW Pro
A 200A hybrid-charging ceiling lets the 12kW ASP-Pro replenish a large 48V battery bank more quickly when PV and AC charging are available together. ASP48120S200-Pro is rated for up to 200A hybrid charging, while grid or generator charging reaches 150A.
63A Grid Bypass for High-Load AC Operation
The ASP-Pro 63A grid bypass allows substantial utility-fed load to pass through without treating bypass current as battery-inverter output. The Pro datasheet lists a 63A bypass overload current on the grid input.
Extend Backup Time with a Dedicated Generator Input
A dedicated generator input gives the ASP-Pro an additional energy source when solar production is low or battery reserve must be conserved during a long outage. Smart Load compatibility can then prioritize selected loads within the configured operating mode, while generator behavior follows the product manual and system settings.
Use a Larger 13.2kW PV Array Across Two MPPTs
The ASP-Pro can accept 13.2kW of PV on a 12kW inverter, leaving more solar energy available for daytime loads and battery charging without increasing AC rated output. The array is split across two 6.6kW MPPT inputs, each rated at 22A with a 125–425V tracking range and 500V open-circuit limit, so two string groups can be tracked independently.
Control External-Load Reverse Power with Anti-Backflow
External-load anti-backflow control keeps power from flowing unintentionally toward the specified load-side connection when PV, battery and AC sources are active together. The ASP-Pro datasheet lists External Load Anti-Backflow Protection as a dedicated control function, giving installers a clearer way to manage power direction in supported operating modes.
2x Peak Output for High-Inrush Loads
The 24kVA peak allowance gives the 12kW ASP-Pro extra starting margin for pumps, compressors and other short-duration high-inrush loads. Continuous load planning still uses the 12kW rated output, so the surge figure adds startup capability rather than redefining normal power.
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FAQ
What does having two MPPTs change in a real installation?
Two independent trackers allow two PV groups to operate at different electrical maximum-power points. That is useful when roof sections face different directions, have different shading patterns or use strings that cannot be combined efficiently on one tracker. For an off grid solar inverter, the benefit is more flexible array design rather than simply “more solar.” Each string still has to stay within the voltage and current limits of its assigned MPPT, and the total PV size should be checked against the exact 8kW or 12kW model.
How should the 2× output figure be used when sizing loads?
Treat it as short-duration startup reserve, not as continuous capacity. The 8kW model is rated at 8kW with a listed maximum output of 16kVA, while the 12kW model is rated at 12kW with 24kVA maximum output. That can help the single phase inverter start pumps, compressors or other inductive loads that briefly demand more power than their running level. Normal load planning should still stay within the rated output, and actual motor inrush should be compared with the inverter’s peak capability.