Switching charger CRFD 12V, 24V, 48V

New generation of battery chargers

Our new generation of battery chargers CRFD was designed to bring you more innovation while maintaining the performance of the previous range.

11 positions depending on battery technology (Sealed lead, lead acid, AGM, Gel, etc.)

Additional information deported for batteries and charging status

Additional terminals for connecting an external load balancer for adding with extra batteries

High performance level

Function "balancing current" (mounting in parallel) up to 6 chargers

Extended powers range of chargers


- Input voltage from 85 to 265 Vac single-phase and from 304 to 552Vac three phase

- Automatic frequency from 47 to 63Hz

- Output 12Vcc, 24Vcc or 48Vcc

- Possibility of adjusting the output voltage by internal potentiometer

- High Frequency switching technology

- 3 automatic cycles of charging : boost, absorption, floating

- Duration of boost: 4 hours

- Regulation : +/- 1 %

- Residual ripple < 200mV

- Typical efficiency > 80% 

- Power factor of 0.9

- 3 LEDs indicate the presence of the sector and the charge phase

- Outputs ammeter and voltmeter on the internal terminals

- Dry contact outputs: default charger and low battery voltage

- Input and output fuse protection

- Protection against short circuit, reverse polarity, overvoltage and over-temperature

- Thermal protection

- Operating temperature: -10 to + 55 °C

- Storage temperature: -20 to +70°C

- Humidity of 0 to 95% without condensation

- Conformity : CE, UL, CSA and RoHS 

Specific References