ChargeMaster Plus 12/75-3, 12/100-3, 24/40-3, 24/60-3 –
User and Installation Manual
7 TECHNICAL DATA
7.1 Specifications 12V models
Model 12/75-3 12/100-3
Product code 44310750 44311000
Nominal input voltage* 120/240V 120/240V
Nominal input frequency 50/60Hz 50/60Hz
Full load consumption 1300VA 1700VA
Max. AC input current (@ 240VAC) 5.6A 7.5A
Max. AC input current (@ 120VAC) 11.8A 14.9A
Total charge current* 75A at 14.25V 100A at 14.25V
Number of battery outlets 3 3
Max. current Smart terminal 75A/40A 100A/40A
Max. input voltage Smart terminal 16V 16V
Charge characteristic* IUoUo, automatic, 3-step+
Charge voltage Bulk* 14.4V 14.4V
Charge voltage Absorption* 14.25V 14.25V
Charge voltage Float*; 13.25V 13.25V
Pre-float voltage drop 0.7V 0.7V
Max. absorption and max. bulk timer* 8 hours (start max. bulk timer at 13.25V)
Minimum absorption time* 15 min. 15 min.
Maximum ripple voltage on DC 120mV pp 120mV pp
Battery type settings*
User defined/AGM/GEL/Flooded/AGM Spiral/Flooded traction/Flooded calcium/
MLI (Li-ion)
Dimensions (inch) 15.0×9.8×5.0 15.0×9.8×5.0
Weight 5,9 kg (13 lbs) 5,9 kg (13 lbs)
Recommended battery capacity 140-800Ah 200-1000Ah
Power factor regulations ≥ 0,98 ≥ 0,98
Temperature compensation Battery temperature sensor and cable included.
Voltage compensation Yes, by means of automatic compensation or MasterShunt
DC consumption <5mA <5mA
Temperature range –25°C (–13°F) to 80°C (176°F)
Derating of 90% below 0°C (32°F)
Derating 1%/°C (0,5%/°F) from 40°C (104°F) to 60°C (140°F);
Derating 8%/°C (4,4%/°F) from 60°C (140°F) to 70°C (158°F);
Communication available, 0% output power from 70°C (158°F) to 80°C (176°F)
Cooling Vario fan and natural cooling to ensure optimized cooling
Sound level <52dBA / 1m
Protection degree IP23 IP23
MasterBus connectivity Yes Yes
Powering capabilities for MasterBus Yes, when the charger is switched on and AC is available, it can power up to three
non-powering devices.
Ignition protected Yes, conforming to SAE J1171/ISO 8846
* Adjustable, see chapter 4 for settings.
Specifications are subject to change without prior notice.