

SCM25 MPPT
SCM60 MPPT-MB SCM20
SCM40
Product code
131902500
131906000
131802000
131804000
GENERAL SPECIFICATIONS
Display/read-out
backlit LCD with PV power,
load power, battery voltage,
charge current, warnings,
battery state of charge,
battery setting
backlit LCD with PV power,
load power, battery voltage,
charge current, warnings,
battery state of charge,
battery setting
LCD display with battery
state of charge, status
output, battery setting
LCD display with battery
state of charge, status
output, battery setting
Dimensions, hxwxd
135 x 190 x 75 mm
5.3 x 7.5 x 3.0 inch
398 x 168 x 104 mm
15.7 x 6.6 x 4.1 inch
98 x 140 x 41 mm
3.9 x 5.5 x 1.6 inch
98 x 140 x 41 mm
3.9 x 5.5 x 1.6 inch
Weight
1.3 kg / 2.9 lb
5.5 kg / 12.1 lb
0.2 kg / 0.4 lb
0.23 kg / 0.5 lb
Alarms
buzzer
via MasterBus
buzzer
buzzer
Cooling
passive
passive
passive
passive
Protection degree
IP23
IP23
IP20
IP20
Grounding
(-) terminal
(-) terminal
(-) terminal
(-) terminal
TECHNICAL SPECIFICATIONS
Technology
MPPT (Max. Power Point
Tracker)
MPPT (Max. Power Point
Tracker)
PWM (Pulse Width
Modulation)
PWM (Pulse Width
Modulation)
Temperature range (ambient temp.)
-20 °C to 55 °C
-20 °C to 55 °C
-25 °C to 50 °C / 122 °F
-25 °C to 50 °C / 122 °F
Cable size
max. 10 mm
2
Litz wire
max. 35 mm
2
Litz wire
max. 16 mm
2
Litz wire
max. 16 mm
2
Litz wire
Protections
over-temperature, overload,
high/low battery voltage,
high/low PV voltage, short
circuit, reverse polarity &
HV transients
over-temperature, overload,
high/low battery voltage,
high/low PV voltage, short
circuit, reverse polarity &
HV transients
over-temperature, overload,
high/low battery voltage,
high/low PV voltage, short
circuit, reverse polarity &
HV transients
over-temperature, overload,
high/low battery voltage,
high/low PV voltage, short
circuit, reverse polarity &
HV transients
MasterBus compatible
no
yes
no
no
Relative humidity
95 % non-condensing
95 % non-condensing
95 % non-condensing
95 % non-condensing
SPECIFICATIONS BATTERY CHARGER
System voltage (battery)
12/24 V auto select
12/24/48 V auto select
12/24 V auto select
12/24 V auto select
Battery types
AGM, gel, flooded, MLI
AGM, gel, flooded, MLI
AGM, gel, flooded, MLI
AGM, gel, flooded, MLI
Battery temperature sensor
yes
yes
yes
yes
Lithium Ion protection
via Multipurpose Contact
Output, product code
77030500
yes, via MasterBus
connection
n.a.
n.a.
Max. charge current at 40 °C
25 A
60 A
20 A
40 A
Switchable output (max. current)
25 A
via MasterBus
20 A
40 A
Energy consumption (night)
5 mA
< 1 mA
5 mA
4 mA
SOLAR INPUT (DC) SPECIFICATIONS
Nom. PV current at 40 °C
18 A
50 A
20 A
20 A
PV start voltage 12/24 V
15 V/27 V
n.a.
12.8 V/25.6 V
12.8 V/25.6 V
PV start voltage 12/24/48 V
n.a.
15 V/27 V/51 V
n.a.
n.a.
Nom. PV voltage 12 V
15-66 V
13.2-115 V
n.a.
n.a.
Nom. PV voltage 24 V
30-66 V
26.4-115 V
n.a.
n.a.
Nom. PV voltage 48 V
n.a.
52.8-115 V
n.a.
n.a.
Max. PV voltage (Tmin)
75 V
145 V
50 V
50 V
Max. PV power 12 V
360 Wp
900 Wp
360 Wp
720 Wp
Max. PV power 24 V
720 Wp
1800 Wp
720 Wp
1440 Wp
Max. PV power 48 V
n.a.
3600 Wp
n.a.
n.a.
Max. efficiency
> 98 %
> 98 %
n.a.
n.a.
Static MPP efficiency
99.9 %
99.9 %
n.a.
n.a.
Specifications
Solar ChargeMaster
OPTION
USB Interface for Solar ChargeMaster
21730400
n.a.
n.a.
option
option
USB Interface and DataControl software, for communication between your PC and the Solar ChargeMaster.
MORE INFORMATION
MASTERVOLT.COM/SOLARCHARGEMASTERPRODUCTS
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