1-2
JQE 27274 092611
1.4
ACCESSORIES
a) RACK ADAPTOR (for two units); Kepco Model RA 24. Fits standard EIA rack-dimen-
sions.
b) FILLER PANEL, to cover empty slot if RA 24 is used for one unit only: Kepco Model RFP
24-2.
1.5
SPECIFICATIONS
TABLE 1-1. JQE 25-20MVPY-27274 SPECIFICATIONS
SPECIFICATION
RATING/DESCRIPTION
CONDITIONS/NOTES
A-C Input Voltage
nominal
115/230V a-c
Single Phase.
range
105-125/210-250V a-c
Selectable by changing internal
jumpers
Frequency
nominal
50/60 Hz
Range
47-63 Hz
Input Current
11A a-c max. @ 125V a-c
6A a-c max. @ 250 a-c
Isolation to Chassis
500V d-c or peak
Max. between either output ter-
minal and Chassis
Leakage Current
115 Va-c
5
µ
Arms / 50
µ
Ap-p
Between output and Chassis
Insulation coordination
Input
Installation Category II,
Overvoltage Category II
For TN power system
Output
Installation Category II,
Overvoltage Category II
Max. 500 Vd-c or peak between
output and Chassis
Pollution degree
2
Type of stabilizer
Linear, 1-quadrant, rectangular V-I
Output Voltage
(Voltage mode)
Range
0 to +25V d-c
Using a 10-turn front panel
potentiometer. Factory default
setting is 0V.
Resolution
0.05% of nominal
Accuracy
0.1% of nominal
Source effect
0.005% of nominal
For 105-125 / 210-250V a-c
Load effect
0.005% of nominal
No load- Full load
Time effect
0.05% of nominal
8 Hrs, FS(1), full load
Temperature coefficient
0.01% of nominal/°C
0 to +50°C. FS(1), full load
Ripple & noise
0.2 mVrms / 10mVp-p
FS(1), full load, local sensing
Output Current
(Current Limit mode)
Range
+0.1 to +20A d-c
Using a 10-turn front panel
potentiometer. Factory default
setting is 20A
Resolution
0.05% of nominal
Accuracy
0.1% of nominal
Source effect
0.01% of nominal
For 105-125 / 210-250V a-c,
short circuit at output
Load effect
0.05% of nominal
Short circuit - Full load
Time effect
0.05% of nominal
8 Hrs, FS(2), short circuit at out-
put
Temperature coefficient
0.02% of nominal/°C
0 to +50°C. FS(2), full load
Ripple & noise
0.05% of nominal rms/
0.2% of nominal p-p
FS(2), short circuit, nominal
value
(1) Zero and FS (full scale) calibration adjustments accessible through top cover.
(2) FS (full scale) calibration adjustment accessible through top cover.
