Datasheet

SSP-KONSTANTER, Series SSP 120 / 240 / 320
Laboratory Power Supplies
6 GMC-I Messtechnik GmbH
Electrical Values, 120 W Series
 Unless otherwise indicated, all data represent maximum values and are valid within an
operating temperature range of 0 to 50° C, the nominal power range and a line voltage
range of 230 V ± 10% after a warm-up period of 30 minutes.
 Percentages refer to the respective setting value or measured value
Description (abbreviated designation) SSP 120-20 SSP 120-40 SSP 120-80
Type 32 N 20 RU 10 P 32 N 40 RU 6 P 32 N 80 RU 3 P
Nominal Output Data Voltage Setting Range 0 ... 20 V 0 ... 40 V 0 ... 80 V
Current Setting Range 0 ... 10 A 0 ... 6 A 0 ... 3 A
Continuous Power at Tu  40° C max. 120 W max. 120 W max. 120 W
Short-Time Rating for t < 90 s / Tu  25° C max. 200 W max. 240 W max. 240 W
Current Derating at Tu > 40° C – 0.25 A / K – 0.15 A / K – 0.07 A / K
Output Operating Characteristics
Setting Resolution
[display (< 10.00 /  10.00), r
emote]
Voltage
Current
5 mV / 10 mV, 5 mV
2.5 mA
10 mV
2 mA
20 mV
1 mA
Overall Setting Tolerance at 23 ± 5° C
including System Deviatio
n for Load / Line
Voltage
Current
0.15% + 30 mV
0.4% + 35 mA
0.15% + 40 mV
0.5% + 20 mA
0.15% + 80 mV
0.5% + 10 mA
Static System Deviation
1)
at 100% Load Variation
1)
Voltage
Current
15 mV
20 mA
10 mV
10 mA
10 mV
10 mA
Static System Deviation
1)
at 10% Line Voltage Variation
1)
Voltage
Current
5 mV
8 mA
5 mV
5 mA
5 mV
5 mA
Residual Ripple
1)
Voltage (10 Hz ... 10 MHz)
Current (10 Hz ... 1 MHz)
10 mV
rms
25 mA
rms
10 mV
rms
20 mA
rms
10 mV
rms
10 mA
rms
Common-Mode Interference (10 Hz ... 1 MHz) 0.5 mA
rms
0.5 mA
rms
0.5 mA
rms
Settling Time (voltage)
with Sudden Load Variations of 10 to 90% I
nom.
Tol era nc e
 I = 80%
40 mV
200 s
80 mV
200 s
160 mV
200 s
Under and Overshooting with 
Sudden Load Variations of 50 A / ms
 I = 80% 400 mV 400 mV 800 mV
Response Time (voltage)
with Setpoint Change 0  100%
with Setpoint Change 100%  0
Tol era nc e
Open-Circuit / Nominal Load
Open-Circuit / Nominal Load
40 mV
1 ms / 1 ms
1 ms / 1 ms
80 mV
1 ms / 1 ms
1 ms / 1 ms
160 mV
4 ms / 4 ms
4 ms / 4 ms
Response Time (current)
with Setpoint Change 0  100%
with Setpoint Change 100%  0
Tol era nc e
Short-Circuit / Nominal Load
Short-Circuit / Nominal Load
100 mA
< 5 ms / < 5 ms
< 5 ms / < 5 ms
60 mA
< 5 ms / < 5 ms
< 5 ms / < 5 ms
30 mA
< 10 ms / < 10 ms
< 10 ms / < 10 ms
Measurement Value Display (4-place)
Measuring Resolution
[display (< 10.00 /  10.00), quer
y]
Voltage
Current
Power
2 mV / 10 mV, 2 mV
1 mA, 1 mA
0.1 W, 0.1 W
10 mV, 4 mV
1 mA, 0.6 mA
0.1 W, 0.1 W
10 mV, 8 mV
1 mA, 0.5 mA
0.1 W, 0.1 W
Measuring Accuracy at 23 ± 5° C
for Values > 0.1% of Nominal Value
Voltage
Current
Power
0.15% + 30 mV
0.4% + 25 mA
0.55% + 0.5 W
0.15% + 40 mV
0.5% + 15 mA
0.65% + 0.6 W
0.15% + 80 mV
0.5% + 10 mA
0.65% + 0.8 W
Protective Functions
Output Overvoltage Protection, Threshold Setting Range
Setting Resolution
Setting Tolerance
0 ... 25 V
0.1 V
2% + 0.2 V
0 ... 50 V
0.2 V
2% + 0.4 V
0 ... 100 V
0.4 V
2% + 0.8 V
Protection against Pole Reversal – Load Capacity Continuous 10 A 6 A 3 A
Reverse Voltage Resistance Continuous 40 V 80 V 100 V
General
Power Supply
1)
Line Voltage 230 V~ +10 / 15%
47 ... 63 Hz
230 V~ +10 / 15%
47 ... 63 Hz
230 V~ +10 / 15%
47 ... 63 Hz
Power Consumption at Nominal Load
in Standby Mode
at max. Short-Time Power
280 VA, 180 W
45 VA, 15 W
450 VA
280 VA, 170 W
45 VA, 15 W
500 VA
280 VA, 170 W
45 VA, 15 W
500 VA
Efficiency at Nominal Load > 70% > 80% > 80%
Switching Frequency Typical 200 kHz 200 kHz 200 kHz
Article Number K320A K321A K322A
1) Indicated values are increased by a factor of approximately 1.2 within a mains input voltage range of –10% to –15%.