6.6 kW single-phase charger for 48–560 V trucks and platforms






The GC-OBC-6.6KW is a 6.6 kW single-phase AC on-board charger for 48 V to 560 V traction batteries. Its PFC + LLC design reaches power factor ≥0.98 and up to 93 % efficiency. It communicates with the BMS over CAN 2.0B, is epoxy potted for shock and vibration resistance, and is available air-cooled or water-cooled.
Core parameters
Published core parameters for GC-OBC-6.6KW. Detailed electrical data, environmental ratings and mechanical drawings are provided in the datasheet on request.
| Rated output power | 6 600 W @ 220 VAC / 3 300 W @ 110 VAC |
| AC input voltage | 90–264 VAC, 45–65 Hz |
| Output voltage range | 30–750 VDC (48–560 V nominal) |
| Max output current | 60 A |
| Peak efficiency | ≥93 % @ 220 VAC |
| Power factor | ≥0.98 @ 110 VAC, ≥0.97 @ 220 VAC |
| Cooling | Air or water |
| Ingress protection | IP67 |
| Communication | CAN 2.0B (250 kbps) / enable |
| Dimensions (L × W × H) | 276 × 270 × 115 mm |
| Operating temperature | −40 °C to +85 °C (derating above 85 °C) |
Key features
6.6 kW on single-phase AC
Maximum single-phase charging power from a 32 A supply.
10 voltage variants
48 V 60 A up to 560 V 14 A.
CAN 2.0B control
250 kbps default, enable pin optional.
Air or water cooling
Water-cooled version for integration with the vehicle coolant loop.
Sealed and epoxy potted
Resists water jets, dust, shock and vibration.
Protection
Short-circuit, reverse polarity, over-temperature derating and CAN fault stop within 5 s.
Model selection
| Model | Nominal voltage | Rated current @ 220 VAC | Output range |
|---|---|---|---|
| GC-OBC-6.6KW-4860 | 48 V | 60 A | 30–60 V |
| GC-OBC-6.6KW-7260 | 72 V | 60 A | 45–100 V |
| GC-OBC-6.6KW-8060 | 80 V | 60 A | 25–100 V |
| GC-OBC-6.6KW-8460 | 84 V | 60 A | 60–120 V |
| GC-OBC-6.6KW-10860 | 108 V | 60 A | 45–155 V |
| GC-OBC-6.6KW-14446 | 144 V | 46 A | 50–202 V |
| GC-OBC-6.6KW-19233 | 192 V | 33 A | 64–278 V |
| GC-OBC-6.6KW-31220 | 312 V | 20 A | 110–450 V |
| GC-OBC-6.6KW-54014 | 540 V | 14 A | 170–695 V |
| GC-OBC-6.6KW-56014 | 560 V | 14 A | 200–750 V |
Applications
- Electric passenger cars and pickups6.6 kW single-phase AC charging from a 32 A supply
- Delivery vans and electric trucksovernight depot charging of 312–560 V packs
- Aerial work platforms and concrete mixershigh-current 48–108 V models
- Cleaning trucks and ambulancessealed installation with water cooling option
- Electric buses and construction machineryshock-resistant potted design
Matched to your battery, not the other way round
We customise output voltage, charging current, charging curve, CAN protocol, cable length, connectors, housing and labelling. Share your battery voltage window, chemistry, capacity and target current and our engineers will propose a matching configuration.
Datasheets on request
Datasheets, test reports, wiring diagrams, CAN protocol files and 3D models for the GC-OBC-6.6KW are available on request — tell us the quantity and destination market and we will send the full package.
Tell us your battery. We will match the unit.
Send your battery voltage window, chemistry, capacity and target current — our engineers will propose a matching configuration.