PB-G4 Hybrid Solar Pumping Inverter (0.75-4kW)
Model: PB-G4
Compact IP65 hybrid solar pump controller with MPPT, built-in BOOST & PFC, Solar Priority and 220V→380V conversion for small/medium pumping.
- MPPT efficiency 99%
- Built-in BOOST & PFC
- Solar Priority, PV/AC hybrid
- 220V single-phase to 380V three-phase
- IP65, dry-run protection
0.75-4 kW
Power range
99 %
MPPT efficiency
IP65
Protection
-20~60 ℃
Ambient temp.
Overview
The PB-G4 is a compact hybrid solar pump controller for small and medium water pumping. It integrates MPPT, built-in BOOST and PFC circuits, Solar Priority management, PV/AC hybrid operation and optional remote monitoring. It can convert single-phase 220V AC into three-phase 380V output to drive industrial three-phase pumps where only residential power is available. IP65, intelligent pump control, dry-run protection and PayGo compatibility.
Technical Specifications
Models
| PB-SG4 power | 1.5-3 kW |
|---|---|
| PB-LG4 power | 1.1-3 kW |
| PB-HG4 power | 1.5-4 kW |
Electrical
| Max DC input voltage | 440-850 V |
|---|---|
| Conversion efficiency | ≥96-98 % |
| Protection grade | IP65 |
Warranty
Standard manufacturer warranty.
Applications
OEM & ODM
- Remote monitoring module
- PayGo module
Packaging & Shipping
FAQ
Can PB-G4 work with both solar and grid power?
Yes, it supports PV/AC hybrid input with solar priority.
Why is 220V→380V conversion useful?
Many rural sites have only single-phase power; it drives three-phase pumps without grid upgrade.
Does it need batteries?
No, it drives pumps directly from solar panels.
Interested in this product?
Send us your requirements and get a quotation with lead time and OEM options.