Technical data

Apendix A
43
11 DATA SHEETS MASS 24/25-2
MAIN INFORMATION
Design : by MASTERVOLT
Manufacturer : ISO 9001 certified
Model / name : MASS 24/25-2
Product : battery charger/rectifier
Article no : 04-00-20250
Colour : RAL 5021, wasserblau
RAL 7037, grey
Weight excl. packing : 2.6 kg
Shipping weight : 4 kg
Cabinet type : MASS 1 cabinet
Dimensions : hxwxd. 325 x 220 x 111 mm
Carton dimensions : hxwxd. 350 x 250 x 160 mm
Type of packing : carton recycable
Available : 230V / 50-60Hz
Availability : normally from stock, from July 99 onwards
TECHNICAL SPECIFICATIONS
Function apparatus : charging of 24V lead acid batteries and power simultanously loads
Nominal input voltage : 230V AC, 1ph, 3wire, 50/60 Hz
Input voltage range full specs : 190..250V, 50/60 Hz, ± 5%
Input voltage range no-defects : 0..250V, 33-80 Hz
Input current : at 230V AC: 3.6A
Inrush current : no inrush current, soft start, according to IEC 1003-3
Power factor : 1, power factor controlled, IEC 555-2
Max. input power : 800 Watt
Efficiency : > 88%
Output voltage : nominal 24V DC
Output current : nominal 25 Amps
Charge characteristic : three-step, fully automatic, IUoUo, programmable
Kind of batteries : open & sealed lead acid batteries
Charge voltage 25°C: bulk voltage 28.7V absorption 28.5V
wet float 26.5V gel float 27.6V
Return Amps : 1.25A
Min. Absorption time : 15 minutes
Max. Bulk/abs. time : 6 hours
Return new cycle voltage : 25.6V, delay 30 seconds
Temperature compensation : 60 mV/°C, by temperature sensor
Voltage sense : fully automatic compensation
Ripple voltage : max. 100mV rms, resistive load, full power
Voltage accurancy : voltage ± 2%
Current accurancy : current ± 3%
Maximum output : 25 Amps at 28.5 Volt at 25°C ambient
25 Amps at 26.5V at 40°C ambient
DC leakage drain : < 5 mA
Number of outputs : one main outputs and one 3 Amps Slave Charger
AC/DC connections : internal,
min. AC cable size: 2.5 mm
2
/ min. DC cable size: 16 mm
2
Jumper selections : gel/wet battery selection
forced to float
battery isolator compensation
Remote indication : status bulk, absorption, float
Remote connection : by telephone plug-in jack - RJ45
Temperature connection : by telephone plug-in jack - RJ45
Smart controls : QRS232 output by telephone plug - RJ45
DATA SHEETS
Mass 24/25-2 battery charger/rectifier, art.no 04-00-20250,
in new ‘high tech’ enclosure.
bulk charge - on
absorption 50 %
float charge 80 - 100 %
CHARGE INDICATOR
off
on
charge failure
MASS
AUTOMATIC
BATTERY CHARGER
Standard control on unit.