KEPCO EL Series Electronic Load Operator Manual P/N 243-1295 Firmware Version 4.00 to 4.xx - Manual (Page 16)

1-6 SERIES EL 071414
INPUT IMPEDANCE
EL 50V Models 80K Ohms
EL 200V Models 160K Ohms
EL 400V Models 200K Ohms
EL 600V Models 320K Ohms
GENERAL CHARACTERISTICS
a-c Line Power Input 120-240 V a-c, 50/60 Hz, 200W Range: 108-264V a-c
Electromagnetic
compatibility Emissions CISPR11, Class A
Immunity EN 61326-1, Table 2 Industrial
Environment
Cooling Forced Air (400 CFM) Six fans, cooling (number of fans operating)
determined by load demand.
Operating Tempera-
ture 0°C to 40°C
Dimensions (load) 19”W x 7”H x 24.5”D See Figure 2-9.
Weight (load) 88 lbs.
Storage Requirements –20 to +60°C, 15 to 80% RH Relatively dust free environment.
NOTES:
(1) Regulation specified after 15 minutes of operation at set power level. (2) Accuracy and regulation are valid from 5% to 100% of
the rated value. The accuracy (e.g., ±0.25% of a constant current setpoint) is ±0.25% of the full scale value and not the setpoint.
(3) For 240V configuration of dual-channel models, contact Kepco.
TABLE 1-3. MODE CHARACTERISTICS
MODE Linearity Vs. Programming Command Regulation
(1)
Constant Current ±0.25% ±0.25%
Constant Power ±2% ±1%
Constant Voltage ±0.25% (±1% for 50V models) ±0.25%
Constant Resistance ±1% ±1%
Constant Conductance ±1% ±1%
(1) Regulation specified after 15 minutes of operation at set power level
TABLE 1-2. SERIES EL SPECIFICATIONS (Continued)
SPECIFICATION RATING/DESCRIPTION CONDITION/COMMENT