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High Voltage Solutions

RR Series

Regulated High Voltage Power Supplies

Precision rack-mount high voltage power supplies with automatic constant-voltage / constant-current crossover, 0-10 V programming, monitoring, and application-specific mechanical configurations. Standard models span 60 W through 3000 W; extended designs are available from 30 W to 30 kW and 1.5 kV to 550 kV.

Gamma RR Series product
1.5-550 kVConfigurable output
30 W-30 kWConfigurable power
<0.005%Line regulation
>75%Full-load efficiency

Key capabilities

  • Constant-voltage / constant-current operation with automatic crossover
  • Remote voltage and current programming from a 0-10 V source
  • Overload, arc-over, and short-circuit protection
  • Remote output-voltage and true output-current monitoring
  • External interlock and output inhibit
  • Optional computer control by USB, RS-232, RS-485, or Ethernet; GUI available

Typical applications

  • High voltage test systems
  • Electron and ion optics
  • Detector bias
  • Research instrumentation
  • Industrial process equipment
  • Custom laboratory systems

Standard model guide

Output kV60 W150 W300 W600 W1000 W3000 W
ModelMax current (mA)ModelMax current (mA)ModelMax current (mA)ModelMax current (mA)ModelMax current (mA)ModelMax current (mA)
0-1.5RR1.5-4040RR1.5-100100————————
0-3RR3-2020RR3-5050RR3-100100RR3-200200RR3-333333RR3-10001000
0-5RR5-1212RR5-3030RR5-6060RR5-120120RR5-200200RR5-600600
0-10RR10-66RR10-1515RR10-3030RR10-6060RR10-100100RR10-300300
0-15RR15-44RR15-1010RR15-2020RR15-4040RR15-6565RR15-200200
0-20RR20-33RR20-7.57.5RR20-1515RR20-3030RR20-5050RR20-150150
0-30RR30-22RR30-55RR30-1010RR30-2020RR30-3333RR30-100100
0-40RR40-1.51.5RR40-3.753.75RR40-7.57.5RR40-1515RR40-2525RR40-7575
0-50RR50-1.251.25RR50-33RR50-66RR50-1212RR50-2020RR50-6060
0-60RR60-11RR60-2.52.5RR60-55RR60-1010RR60-1717RR60-5050
0-80RR80-.750.75RR80-1.81.8RR80-3.753.75RR80-7.57.5RR80-12.512.5RR80-37.537.5
0-100RR100-.60.6RR100-1.51.5RR100-33RR100-66RR100-1010RR100-3030
0-125RR125-.50.5RR125-1.21.2RR125-2.52.5RR125-4.84.8RR125-88RR125-2424
0-150N/A—RR150-11RR150-22RR150-44RR150-6.66.6RR150-2020
0-200N/A—RR200-.750.75RR200-1.51.5RR200-33RR200-55RR200-1515
0-300N/A—RR300-.50.5RR300-11RR300-22RR300-3.33.3RR300-1010
0-400N/A—RR400-.3750.375RR400-.750.75RR400-1.51.5RR400-2.52.5RR400-7.57.5

Each power cell lists the model and rated current. The standard guide covers output ranges through 400 kV; contact Gamma for extended voltage and power configurations. Add P, N, or R for polarity as applicable.

Specifications

Electrical characteristics

InputBelow 600 W: universal AC input; 600 W: 105-125 VAC, 7 A max; 1000 W: 220 VAC, 7 A max; 3000 W: 220 VAC, 17 A max; 50-60 Hz; three-phase input available
Output voltageContinuously adjustable from zero to rated maximum
Voltage regulationLine: better than ±0.005%; load: 0.005% through 600 W and 0.01% at 1 kW and 3 kW
Current regulationLine: better than ±0.005%; load: better than 75 µA for a 75% compliance-voltage change
Ripple60/150 W: 0.02%; 300/600/1000 W: 0.05%; 3000 W: 0.1%
Temperature coefficient100 ppm/°C from 0 to 60°C
Stability0.01% per hour; 0.03% per 8 hours
EfficiencyTypically greater than 75% at full load

Mechanical and interface

Front-panel controlsHV power, 10-turn voltage control, and 10-turn current control
IndicatorsHV power, voltage meter, current meter, and mode indication on 600 W and larger units; standard meter accuracy ±2% full scale
HV output10 ft shielded high voltage cable with bushing for a re-entrant receptacle
Low-voltage interfaceRear terminals for interlock, voltage/current programming, and voltage/current monitor signals
ConstructionTypically a single rack-mount enclosure; higher-voltage configurations may use an external high voltage stack
PolarityPositive, negative, and reversible-polarity configurations available
Multiple suppliesCustom master/slave configurations provide coordinated control

Configuration and options

Integration

  • 0-10 V voltage and current programming with front-panel limit protection
  • Rear-terminal voltage and true current monitor signals
  • External interlock and output inhibit
  • Floating low-end return available; consult Gamma
  • Computer-control interfaces and GUI available

Available options

  • ZVS — zero-voltage start interlock
  • VOV — variable overvoltage protection
  • VOL — variable overload trip; standard on 600 W, 1 kW, and 3 kW units
  • SAPM / DAPM — analog metering in place of standard digital meters
  • SS — slow start, factory set from 1 to 15 seconds
  • SBP — slave bipolar operation
  • TTL-compatible enable
  • FT — auxiliary output / focus tap
  • RCP — remote control panel
  • 220 VAC input, bench cabinet, and computer-control interface options

Mechanical drawings

Dimensions are in inches unless otherwise noted. Contact Gamma to confirm the final enclosure and connector arrangement for your configuration.

3U enclosure
RR Series 3U rack-mount enclosure dimensional drawing
6U enclosure
RR Series 6U rack-mount enclosure dimensional drawing
9U enclosure
RR Series 9U rack-mount enclosure dimensional drawing
High voltage stacks
RR Series high voltage stack dimensional drawings

RR Series resources

Download the data sheet or contact Gamma for configuration assistance.