Mastervolt CHARGEMASTER 24/20-3

TECHNICAL DATA
EN / Chargemaster1 12/35-3, 12/50-3, 24/20-3 & 24/30-3 / August 2009 23
8.2 SPECIFICATIONS 24V MODELS
Model 24/20-3 24/30-3
Article no. 44020200 44020300
GENERAL
Nominal input voltage: 120/230V 120/230V
Nominal input frequency: 50/60Hz 50/60Hz
Full load consumption: 660VA 925VA
Efficiency at full load: ≥83% @ 120V input ≥85% @ 230V input
Nominal output voltage: 24V 24V
Total maximum charge current*: 20A at 28.8V 30A at 28.8V
Number of battery outputs: 3 3
Output voltage range adjustable 10-32VDC 10-32VDC
Charge characteristic*: IUoUo, automatic, three step plus
charging method
IUoUo, automatic, three step plus
charging method
Charge voltage Bulk*: 28.8V 28.8V
Charge voltage Absorption*: 28.5V 28.5V
Charge voltage Float*; 26.5V 26.5V
Max. absorption and max. bulk timer*: 8 hours (start of the maximum bulk
timer at 26.5V)
8 hours (start of the maximum bulk
timer at 26.5V)
Minimum absorption time*: 15 min. 15 min.
Battery type settings*: Wet battery / gel / traction / AGM / spiral
(adjustable by means of DIP-switch)
Wet battery / gel / traction / AGM / spiral
(adjustable by means of DIP-switch)
Dimensions in mm (inch): 291x210x131 (11.5x8.3x5.2) 291x210x131 (11.5x8.3x5.2)
Weight in kg (pound):
4kg (9Lbs) 4kg (9Lbs)
Recommended battery capacity: 40-200Ah 60-300Ah
Power factor regulations ≤ 0.99 ≤ 0.99
Temperature compensation Battery temperature sensor and cable
included.
Battery temperature sensor and cable
included.
Voltage compensation Yes, by means of automatic
compensation.
Yes, by means of automatic
compensation.
DC consumption <2.5mA <2.5mA
Temperature range –25°C (–13°F) to 65°C (149°F).
Derating 3%/°C (2%/°F) above 40°C
(104°F), 90% derating under 0°C (32°F)
–25°C (–13°F) to 65°C (149°F).
Derating 3%/°C (2%/°F) above 40°C
(104°F), 90% derating under 0°C (32°F)
Cooling Vario fan and natural cooling optimize
cooling when unit stored in corners etc.
Vario fan and natural cooling optimize
cooling when unit stored in corners etc.
Sound level <52dBA / 1m <52dBA / 1m
Protection degree IP23 IP23
Approvals Fully CE and E-marking according to
automotive directive 95/54/EG / UL
pending
Fully CE and E-marking according to
automotive directive 95/54/EG / UL
pending
MasterBus connectivity Yes Yes
Powering capabilities for MasterBus Yes, when the charger is switched on, it
can power up to three non-powering
devices.
Yes, when the charger is switched on, it
can power up to three non-powering
devices.
MasterBus languages available English English
* Adjustable, see chapter 5 for settings
Specifications are subject to change without prior notice.