: 150px;">220V / 230V / 240V
| Hybrid Inverter series ('Green UPS') | ||
| SR-502 | 5.0KVA/4000W | 24V DC Battery AC IN 60V-135V / AC IN 120V-270V |
| SR-602 | 6.0KVA/6000W | 48V DC Battery AC IN 60V-135V / AC IN 120V-270V |
| SR-802 | 8.0KVA/8000W | 48V DC Battery AC IN 120V-270V |
* HETRONIX™ KEITH_*K Hybrid System series consists of UPS Inverter and Windcharger: as Battery - Diesel powered Off-grid system !

HETRONIX™ Control Box Series specifications are as following:
| Table 3: HETRONIX™ Control Box Series | ||
| Model | Grid Connection | Operational Voltage |
| PGCBox_A | Grid-connected | 115VAC |
| PGCBox_B | Grid-connected | 230VAC |
| PGCBox_C | - |
DC_Charger |
| PGCBox_D | Off-Grid | 115VAC |
| PGCBox_F | Off-Grid | 230VAC |
| WindCharger_A | Off-Grid | 48VDC |