3.3 kW CAN-controlled charger for 48–540 V platforms
The GC-OBC-3.3KW is a 3.3 kW single-phase AC on-board charger for 48 V to 540 V traction batteries. Its PFC + LLC two-stage design delivers power factor ≥0.98 and up to 93 % efficiency. It supports CAN 2.0B communication with the BMS, accepts both AC and DC input, and is available in air-cooled or water-cooled versions with a sealed housing.
Core parameters
Published core parameters for GC-OBC-3.3KW. Detailed electrical data, environmental ratings and mechanical drawings are provided in the datasheet on request.
| Rated output power | 3 300 W @ 220 VAC / 1 600 W @ 110 VAC |
| AC input voltage | 90–264 VAC, 47–63 Hz; 130–400 VDC |
| Output voltage range | 32–650 VDC (48–540 V nominal) |
| Max output current | 40 A |
| Peak efficiency | ≥93 % @ 220 VAC |
| Power factor | ≥0.98 @ 110 VAC, ≥0.97 @ 220 VAC |
| Cooling | Air or water |
| Ingress protection | IP66 |
| Communication | CAN 2.0B (250 kbps) / enable |
| Dimensions (L × W × H) | 350 × 138 × 118 mm; further housing options available |
| Operating temperature | −40 °C to +85 °C (derating above 85 °C) |
Key features
48–540 V output range
Ten standard variants, from 48 V 40 A to 540 V 6 A.
CAN 2.0B BMS communication
250 kbps default; enable pin also available.
Air or water cooling
Water-cooled version integrates with the vehicle thermal loop.
AC and DC input
90–264 VAC or 130–400 VDC.
Alternative housings
Square and rectangular enclosures available to fit tight bays.
Protection
Short-circuit, reverse polarity, over-temperature derating and CAN fault protection.
Model selection
| Model | Nominal voltage | Rated current @ 220 VAC | Output range |
|---|---|---|---|
| GC-OBC-3.3KW-4840 | 48 V | 40 A | 32–66 V |
| GC-OBC-3.3KW-6040 | 60 V | 40 A | 40–80 V |
| GC-OBC-3.3KW-7240 | 72 V | 40 A | 40–101 V |
| GC-OBC-3.3KW-9632 | 96 V | 32 A | 64–132 V |
| GC-OBC-3.3KW-12028 | 120 V | 28 A | 80–168 V |
| GC-OBC-3.3KW-14423 | 144 V | 23 A | 96–192 V |
| GC-OBC-3.3KW-21615 | 216 V | 15 A | 144–288 V |
| GC-OBC-3.3KW-32010 | 320 V | 10 A | 210–430 V |
| GC-OBC-3.3KW-36010 | 360 V | 10 A | 240–450 V |
| GC-OBC-3.3KW-54006 | 540 V | 6 A | 300–650 V |
Applications
- Electric delivery vans and logistics vehiclesCAN-controlled charging of 48–540 V packs
- Electric tricycles and e-rickshawshigher power for faster turnaround
- Sweepers and cleaning truckswater-cooled option for enclosed installations
- Aerial work platforms and concrete mixerswide voltage for construction equipment
- Low-speed EVs and minibusescharging from standard single-phase supply
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-3.3KW 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.