ELECTRICAL CHARACTERISTICS

• Control Mode
  Current Control
• Front Panel Meter Accuracy
  Voltage ±0.5% of full-scale + 1 digit
  Current ±0.5% of full-scale + 1 digit
• Load Regulation
  (no load to full load, nominal AC input)
  Current 0.1% of rated output current
• Line Regulation
  (±10% of nominal AC input)
  Current 0.05% of rated output current
• Current Ripple
  1% p-p of full-scale current
• Transient Response
  Output current recovers to within 1% of current setpoint within 1ms for a 10 to 100% or 100% to 10% step load change
• Output Slew Rate
  250A/ms rise, 200A/ms fall at full load (minimum)
  400A/ms typical
  Current Overshoot
  Maximum 8% of full-scale for 0 to 100% change into a resistive load
• Output Capacitance
  60V Models: <2µF
  160V Models: <3µF
• Stability
  ±0.05% of setpoint after 8–hr. warm-up at fixed line, load, and temperature using remote sense
• Power Factor
  >0.9 typical for 208/220VAC input
  >0.78 typical for 380/400VAC input
  >0.7 typical for 440/480VAC input
• Remote Analog Control
  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%
• Efficiency
  87% typical at full load, nominal line
• Remote Control/Monitor
  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
• Overvoltage Protection
  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.
  

ENVIRONMENTAL CHARACTERISTICS

• Ambient Operating Temperature
  0 to 50°C
• Storage Temperature
  -25 to 65°C
• Temperature Coefficient
  Current Setpoint
  0.03%/°C of rated current
• Cooling
  Internal Fans. Zero clearance stacking
• Humidity
  0 to 90% at 40°C; 0 to 50% at 25°C
  non-condensing
• Altitude
  Full power at 5,000 feet, 10% derating of full power for every 1,000 feet above 5,000 feet
• Regulatory
  Certified to UL/CSA 61010 and IEC/EN 61010-1
  CE Compliant (LVD and EMC Directives)
  

INPUT POWER OPTIONS

• Configuration
  3–phase, 3–wire plus ground. Not phase rotation sensitive. Neutral not used.
• Voltage Selection
  208/220 VAC±10%, 47 to 63 Hz
  380/400 VAC±10%, 47 to 63 Hz
  440/480 VAC±10%, 47 to 63 Hz
  

PHYSICAL

• Up to 15kW in 3U
  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)
• 15 - 30kW in 6U
  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)