Specifications

TECHNICAL DATA
22 March 2014 / Mass Charger 24/15-2; 24/25-2; 24/25-2 DNV / EN
9 TECHNICAL DATA
9.1 SPECIFICATIONS
Model Mass 24/15-2 MB Mass 24/25-2 MB Mass 24/25-2 DNV MB
Article no. 40020156 40020256 40020266
INPUT
Mains voltage 230V, -10% + 15% 230V, -10% + 15% 230V, -10% + 15%
Frequency 50/60 Hz ± 5 Hz 50/60 Hz ± 5 Hz 50/60 Hz ± 5 Hz
Inrush current None, the battery charger is equipped with a soft start in accordance with IEC 1003-3
Input current 2.5 A 3.6 A 3.6 A
Power factor (Cos phi) 1 1 1
Maximum efficiency 89% 89% 89%
Input power 550W 800W 800W
OUTPUT
Nominal voltage 24V DC 24V DC 24V DC
Max charge current (I
ma
x
)* 15 A 25 A 25 A
Outputs 1x15 A and 1x3 A 1 x 25 A and 1x3 A 1 x 25 A and 1x3 A
Charge characteristic* three-step, fully automatic three-step, fully automatic three-step, fully automatic
Battery types*: Flooded lead acid, gel/AGM lead acid, NiCd, Mastervolt MLi (see chapter 7 for settings)
Default charge voltages at 25°C
absorption 28.5V 28.5V 28.5V
float 26.5V 26.5V 26.5V
Voltage ripple max. 100mV RMS with resistive load @ full power
Short circuit current (1/4 of
I
ma
x
)
3.75 A 6.25 A 6.25 A
Cable size (within 3 mtrs) 6.0 mm2 10 mm2 10 mm2
Charger fuse (external) 20A 32A 32A
ENVIRONMENTAL
Ambient temperature 20 to 40°C @ 100% output power, derated with 2,5% / °C above 40°C
Cooling Forced air, by means of a ventilator with variable speed
Humidity Maximum 95%RV, non condensing
MASTERBUS
MasterBus powering capability Yes Yes Yes
MasterBus menu languages English, Dutch, German, French, Spanish, Italian
ENCLOSURE TYPE C1 C1 C1
Dimensions (hxwxd) mm See figure 11 See figure 11 See figure 11
Protection degree IP23 IP23 IP23
Weight 3.3 kg 3.3 kg 3.3 kg
* Adjustable, see chapter 5.
Specifications are subject to change without prior notice.