Installation Manual
32 
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 
44310755 
44311005 
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 
Nominal output voltage 
14.25V 
14.25V 
Total charge current* 
75A at 14.25V 
100A at 14.25V 
Number of battery outlets 
3 
3 
Max. current DC 3 IN/OUT 
75A/40A 
100A/40A 
Max. input voltage DC 3 IN/OUT 
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 
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* 
Flooded (default), GEL, AGM, MLI (Li-ion), Constant voltage 
(13,25 V) 
Dimensions (mm) 
383×250×126 
383×250×126 
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 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 
IP 23 
IP 23 
CZone connectivity 
Yes 
Yes 
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. 










