Datasheet DCL and DCS
DC Voltage Converters
• DC/DC converters extend users’ applications
• Maximum output current adopts to output voltage
• Excess energy management system in DCL, makes the
PV system more efficient
• Overheating protection extends product lifetime
• Display LEDs for “Power on” and “Current limitation”,
“Excess Energy” additional for DCL
• DIN-rail mounting adapter available
The DCS is a DC/DC converter specially designed for PV
systems. It enables a 12 V Battery Voltage to lower voltage
DC appliances such as small radios or cassette players. The
DCS utilizes innovative overheating protection which adapts
the maximum output current to the output voltage in order
to enhance product reliability and lifetime.
The DCL extends the functionality of the DCS by adding
excess energy management functionality that provides
usable energy that would normally be wasted because the
battery cannot accept the extra solar energy. With DCL it
is possible to charge a second battery with excess energy.
This is widely used in mobile-homes and boats which often
have a battery for the solar system and a second battery for
starting the engine. Another typical application is to power
a small fan for air exchange on a boat powered only with
excess energy. Only your imagination limits the number of
possible applications.
Nominal voltage
12 V
Output voltage
1.5 V
3.0 V
4.5 V
6.0 V
9.0 V
12.0 V
13.6 V
300 mA
400 mA
450 mA
650 mA
1,000 mA
2,000 mA
Maximum output current
250 mA
Self consumption
6 mA
Diameter wire
0.75 to 16 mm2
Temperature range
−20 to +50 °C
Max. power dissipation
Dimensions (B x H x T)
100 x 80 x 34 mm
125 g
*Can only be got when the input voltage is higher than 13.6 V.
Nominal voltage 2nd battery
12 V
Float voltage 2nd battery
13.4 V
Max. charging current @13.4V
Datasheet_DCS, DCL_1/1_e_2010-04-01_Subject to change without notice
Phocos AG
Magirus-Deutz-Str. 12
89077 Ulm, Deutschland
Tel. +49 731 9380688-0
Fax +49 731 9380688-50
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