Input

Nominal Voltage3 phase, 3 wire + ground

208 VAC (operating range 187 - 229 VAC)240 VAC (operating range 216 - 264 VAC)380 VAC (operating range 342 - 418 VAC)415 VAC (operating range 373 - 456 VAC)440 VAC (operating range 396 - 484 VAC)480 VAC (operating range 432 - 528 VAC)

Frequency

50 Hz - 60 Hz (operating range 45 Hz - 66 Hz)

Power Factor

Greater than 92% at maximum power for 3 phase models

Environmental

Operating Temperature

0°C to 50°C

Storage Temperature

-25°C to +85°C

Ambient Temperature

0 to 50°C

Temperature Coefficient

0.04%/°C of maximum output voltage,

0.06%/°C of maximum output current.

Air Cooling (Standard)

Side air inlet, rear exhaust

Water Cooling (Optional)

25°C maximum inlet temperature3.0 GPM minimum flow rate for 30 kW units4.5 GPM minimum flow rate for 45-75 kW units80 PSI maximum pressure1/4” NPT female pipe size

Physical

Power

Input Phases

Size (H" x W" x D")

Weight

30 kW45 kW60 kW75 kW

3Φ3Φ3Φ3Φ

38½" x 22" x 29" (97.79 x 55.58 x 73.66 cm)38½" x 22" x 29" (97.79 x 55.58 x 73.66 cm)38½" x 22" x 29" (97.79 x 55.58 x 73.66 cm)49" x 22" x 29" (124.46 x 55.58 x 73.66 cm)

280 lbs (127.01 kg)395 lbs (179.17 kg)510 lbs (231.33 kg)645 lbs (292.57 kg)

Output

Ripple

See Model Charts

Line Regulation

Voltage Mode: ± 0.004% of full scaleCurrent Mode: ± 0.02% of full scale

Load Regulation

Voltage Mode: ± 0.01% of full scaleCurrent Mode: ± 0.04% of full scale

Load Transient Response

2 ms to recover within ±1% of regulated output with a 50% to 100% or 100% to 50% step load change

Efficiency

≥ 86%; See Model Charts

Stability

± 0.10% for 8 hrs. after 30 min. warmup

Isolation

User inputs and outputs:referenced to earth ground.Maximum input voltage to ground:±2500 VacMaximum output voltage to ground:±1000 Vdc for models less than or equal to 1000 Vdc,±(2000 Vdc + Vo/2) for models greater than 1000 Vdc or withHigh Isolation Output Option (+ISO)wher Vo is the maximum output voltage of the power supply.

Maximum Slew Rate

Standard Models:100 ms for an output voltage change from 0 to 63%,100 ms for an output current change from 0 to 63%.WithHigh Slew Rate Option (+HS):4 ms for an output voltage change from 0 to 63%,8 ms for an output current change from 0 to 63%.

Bandwidth

Standard Models:3 Hz with remote analog voltage programming,2 Hz with remote analog current programming.WithHigh Slew Rate Option (+HS):60 Hz with remote analog voltage programming,45 Hz with remote analog current programming.

Analog Output Impedances

Voltage output monitoring: 100 ohmCurrent output monitoring: 100 ohm+10V Ref: 1 ohm

Programming Levels and Accuracy of Full Scale

VoltageSet Point

CurrentSet Point

OVTSet Point

OCTSet Point

Remote Analog Programming Accuracy

± 0.075%

± 0.075%

± 0.075%

± 0.075%

Digital Programming Accuracy

± 0.075%

± 0.075%

± 0.075%

± 0.075%

Remote Analog Programming Levels

0 - 10.0 Vdc

0 - 10.0 Vdc

0 - 10.0 Vdc

0 - 10.0 Vdc

Monitoring Levels and Accuracy of Full Scale

Output Voltage

Output Current

Remote Analog Monitoring Accuracy

± 0.2%

± 0.2%

Digital Monitoring Accuracy

± 0.2%

± 0.2%

Remote Analog Monitoring Levels

0 - 10.0 V

0 - 10.0 V

Control Limits

Remote Sense Limits

3% maximum voltage dro from output terminals to load. Remote sense is not available for models with output voltages greater than 1000 Vdc or with +ISO option.

Period Programming Limits

Minimum period: 10 msecMaximum Period: 9997 sec or 2.77 hours

Digital control inputs and outputs limits

Input voltage: 0 to 5 Vdc, 10K input impedance;Output voltage: 0 to 5 Vdc, 5 mA drive capacity5 V supply: 25 mA.