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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.

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.

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