Ratings
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Voltage
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5kW
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10kW
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15kW
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20kW
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25kW
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30kW
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0 - 60V
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0-83A
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0-167A
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0-250A
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0-333A
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0-417A
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0-500A
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0 - 100V
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0-50A
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0-100A
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0-150A
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0-200A
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0-250A
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0-300A
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0 - 160V
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0-31A
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0-63A
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0-94A
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0-125A
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0-156A
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0-188A
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Electrical Characteristics
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Control Mode
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Current Control
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Front Panel Meter Accuracy
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Voltage ±0.5% of full-scale + 1 digit Current ±0.5% of full-scale + 1 digit
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Load Regulation
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(no load to full load, nominal AC input) Current 0.1% of rated output current
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Line Regulation
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(±10% of nominal AC input) Current 0.05% of rated output current
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Current Ripple
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1% p-p of full-scale current
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Transient Response
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Output current recovers to within 1% of current setpoint within 1ms for a 10 to 100% or 100% to 10% step load change
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Output Slew Rate (10-90% resistive load)
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250A/ms (400A/ms typical) rise, 200A/ms typical fall; 160V model 87A/ms/5kW (145A/ms/5kW typical), 60A/ms, typical, fall
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Output Capacitance
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60V Models: <2µF 160V Models: <3µF
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Stability
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±0.05% of setpoint after 8–hr. warm-up at fixed line, load, and temperature using remote sense
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Power Factor
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>0.9 typical for 208/220VAC input >0.78 typical for 380/400VAC input >0.7 typical for 440/480VAC input
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Remote Analog Control
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Current Setpoint Accuracy ±0.8% of full-scale output ● Overcurrent Protection ±1% of full-scale output ● Resistive Control 0–5 kW = 0-100% Current ● Voltage Control 0–5 or 0–10 VDC = 0-100% Current ● Overcurrent Protection 0–5.5 VDC = 0-110%
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Efficiency
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87% typical at full load, nominal line
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Remote Control/Monitor
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On/Off control via contact closure, 6-120 VDC or 12-240VAC, and TTL or CMOS switch, current monitor, OCP limit set, summary fault status
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Overvoltage Protection
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Fixed at approximately 110% of the rating compliance voltage. Reset requires cycling the front panel standby power switch off/on Isolated Analog Control (option) Input to Output Isolation: 500 V Compliant with maximum terminal float voltage. Recommended operation under SELV normal conditions.
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Environmental Characteristics
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Ambient Operating Temperature
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0 to 50°C
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Storage Temperature
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-25 to 65°C
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Temperature Coefficient
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Current Setpoint 0.03% / °C of rated current
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Cooling
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Internal Fans. Zero clearance stacking
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Humidity
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0 to 90% at 40°C; 0 to 50% at 25°C non-condensing
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Altitude
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Full power at 5,000 feet, 10% derating of full power for every 1,000 feet above 5,000 feet
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Regulatory
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Certified to UL/CSA 61010 and IEC/EN 61010-1 CE Compliant (LVD and EMC Directives)
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Input Power Options
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Configuration
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3–phase, 3–wire plus ground. Not phase rotation sensitive. Neutral not used
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Voltage Selection
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208/220 VAC±10%, 47 to 63 Hz 380/400 VAC±10%, 47 to 63 Hz 440/480 VAC±10%, 47 to 63 Hz
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Physical
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Up to 15kW in 3U
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19.00in W x 25.12in D x 5.25inH; 80 lbs. (48.3cm W x 63.8cm D x 13.3cm H; 36 kg)
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15 - 30kW in 6U
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19.00in W x 25.12in Dx 10.5in x H; 160 lbs. (48.3cm W x 63.8cm D x 36.7cm H; 73 kg)
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