SIEMENS
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Siemens KT 10.1 · 2016
9
Special designs, special uses
DC/DC converters
24 V DC / 12 V DC/2.5 A
■
Overview
DC/DC converter for connection to 24 V DC networks. Output
voltage 12 V DC; floating, short circuit-proof, open circuit-proof.
■
Technical specifications
Article number
6EP1621-2BA00
Product
SITOP DC/DC
Power supply, type
12 V/2.5 A
Input
Input
DC voltage PELV/SELV
Supply voltage
• at DC
24 ... 24 V
Input voltage
• at DC
18.5 ... 30.2 V
Wide-range input
No
Input current
• at rated input voltage 24 V
2.5 A
Switch-on current limiting (+25 °C),
max.
20 A
Duration of inrush current limiting
at 25 °C
• typical
5 ms
Built-in incoming fuse
not accessible
Protection in the mains power input
(IEC 898)
Recommended miniature circuit
breaker: 10 A characteristic B
Output
Output
Controlled, isolated DC voltage
Rated voltage
V
out
DC
12 V
Total tolerance, static ±
3 %
Static mains compensation, approx.
0.1 %
Static load balancing, approx.
0.4 %
Residual ripple peak-peak, max.
100 mV
Residual ripple peak-peak, typ.
50 mV
Spikes peak-peak, max.
(bandwidth: 20 MHz)
200 mV
Spikes peak-peak, typ.
(bandwidth: 20 MHz)
50 mV
Adjustment range
12 ... 14 V
Product function Output voltage
adjustable
Yes
Output voltage setting
via potentiometer; max. 120 W
Status display
Green LED for 12 V OK
Startup delay, max.
0.5 s
Voltage rise, typ.
300 ms
Rated current value
I
out rated
2.5 A
Current range
0 ... 2.5 A
Short-term overload current
• on short-circuiting during the
start-up typical
3.3 A
• at short-circuit during operation
typical
3.3 A
Constant overload current
• on short-circuiting during the
start-up typical
3.3 A
• at short-circuit during operation
typical
3.3 A
Parallel switching for enhanced
performance
Yes
Numbers of parallel switchable units
for enhanced performance
2
© Siemens AG 2016