TC Charger 3.3KW 72V 40A OBC Charger

TC Charger 3.3KW OBC On-board Charger HK-MF-72-40-A Air Cooling IP67SpecificationsTechnical DataAC Input Voltage RangeAC90V~AC265VAC Input Frequency45~65HzAC Power Factor≥0.98Full Load Efficiency

TC Charger 3.3KW OBC On-board Charger HK-MF-72-40-A Air Cooling IP67


Technical Data
AC Input Voltage RangeAC90V~AC265V
AC Input Frequency45~65Hz
AC Power Factor≥0.98
Full Load Efficiency≥93%
Mechanical ShockConformance to
Vibration Resistance Level10-25Hz Amplitude 1.2mm, 25-500Hz 30m/s2, 8hrs per direction
Environmental EnclosureIP67
Operating Temperature-35ºC~+85ºC
Storage Temperature-55ºC~+100ºC
Mechanical Dimensions(mm)239(L)*135(W)*125(H)
Net Weight6.4kg

  • Shock & Vibration: QC/T 895-2011

  • Charging Control: CAN BUS 

  • Cooling Method: Electric Fan

3.3KW New (2).jpeg

Protection Function
Input Over-voltage ProtectionAC270±5V
Input Under-voltage ProtectionAC85±5V
Output Over-voltage ProtectionStop the output when exceeds +1% of the maximum output voltage
Output Under-voltage ProtectionStop the output when below -5% of the minimum output voltage
Output Over-current ProtectionStop the output when exceeds +1% of the maximum output current
Over-temperature ProtectionPower down from 85ºC and turn off at 90ºC
Short-circuit ProtectionStop Output
Battery Reverse Connect ProtectionFuse Burn-out
Ground Protection≤100mΩ
CAN communication ProtectionAutomatically stop the output when CAN communication fails
Power-off ProtectionYes


1. Up to 95% power efficiency and more than 93% Full Load Efficiency
2. Wide input voltage range AC90V~AC264V 45~65 Hz available for worldwide requirements, convenient for electric-network fluctuation and vehicle exportation.
3. Intelligent temperature compensation function in the charging process, preventing the damage to the battery caused by charge-off or charge due, greatly extending the lifespan of the battery.
4. Fully-sealed and water-proof, protection class IP67(Effective against dust tight and Protection against Immersion, up to 1 m depth).
5.Operation temperature:- 40℃~85℃;Storage temperature:- 55℃~85℃;Mechanical impact and vibration grade:QC/T 895-2011,Automotive-grade seismic rating.
6. Temperature control with the built-in heat-sensing device and automatic recovery through thermal protection.
7. Multi-safety protection functions.
8. LED charge status indication with diagnosing support function.
9. Available for various kinds of batteries like LiFePO4, Lithium battery, etc., Flexible and programmable in charging mode. Equipped with Enable Control(Automatic Control) or CAN communication interface to realize real-time communication with BMS for options.
10. Input current:16A
11. Power factor:≥0.99
12. Charging control: CAN or Enable
13. Size:198(length) x 244(width) x 95(height)(fan-cooled)
14. Weight only 4.6 kg!
15. Cooling way: Enforce Air Cooling

Safety protection:
1) Input over/under voltage and reverse polarity protection;
2) Output over current/short circuit and over temp protection.

SeriesPowerModelType of coolingOutput voltageOutput voltage rangeOutput CurrentOutput powerNet Weight (kgs)Gross Weight (kgs)Dimension (CM)
OBC3.3KWHK-MF-48-40Enforce Air Cooling48V35~70V40A2000W@220VAC 1600W@110VAC4.65.636*32*20.5
OBC3.3KWHK-MF-72-40Enforce Air Cooling72V50~107V40A3300W@220VAC 1650W@110VAC4.65.636*32*20.5
OBC3.3KWHK-MF-108-32Enforce Air Cooling108V80~161V32A3300W@220VAC 1650W@110VAC4.65.636*32*20.5
OBC3.3KWHK-MF-144-23Enforce Air Cooling144V100~215V23A3300W@220VAC 1650W@110VAC4.65.636*32*20.5
OBC3.3KWHK-MF-312-10Enforce Air Cooling312V200~450V10A3300W@220VAC 1650W@110VAC4.65.636*32*20.5