2.5. Specifications

2.5.1. AC Input Specifications

1Φ AC Input Voltage
1Φ, 2-wire + ground
Available on 2 kW models
208 Vac (208SP: operating range 187 to 229 Vac)
240 Vac (240SP: operating range 216 to 264 Vac)
3Φ AC Input Voltage
3Φ, 3-wire + ground
Available on all models
208 Vac (operating range 187 to 229 Vac)
240 Vac (operating range 216 to 264 Vac)
380/400 Vac (operating range 342 to 440 Vac)
415 Vac (operating range 373 to 456 Vac)
440 Vac (operating range 396 to 484 Vac)
480 Vac (operating range 432 to 528 Vac)

AC Input Current

Refer to AC Input Connection

AC Input Frequency

50-400 Hz

Power Factor

>0.92 at max power; models with 3Φ AC input
0.70 at max power; models with 1Φ AC input

AC Input Isolation

±2500 Vdc, maximum input voltage to ground

2.5.2. Output Specifications

Voltage Ripple

Refer to chart of available models.

Line Regulation

Voltage mode: ± 0.004% of full scale
Current mode: ± 0.02% of full scale

Load Regulation

Voltage mode: ± 0.01% of full scale
Current 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

Stability

± 0.10% for 8 hrs. after 30 min. warm-up

Efficiency

80% to 93%; refer to chart of available models

DC Output Isolation
Models Rated ≤1000 Vdc

±1000 Vdc, max output voltage to ground

DC Output Isolation
Models Rated >1000 Vdc and ≤3000 Vdc

±(1500 Vdc + Vo/2), max output voltage to ground, where Vo is the max rated voltage

DC Output Isolation
Models Rated >3000 Vdc

No output isolation, specify positive or negative output polarity at time of order

2.5.3. Programming Specifications

Programming Accuracy

Voltage: ±0.075% of max voltage rating
Current: ±0.075% of max current rating

Measurement Accuracy

Voltage: ±0.2% of max voltage rating
Current: ±0.2% of max current rating
Maximum Slew Rate
Standard Models
< 170 ms, output voltage change from 0 to 63%
< 200 ms, output current change from 0 to 63%
Maximum Slew Rate
Models with High Slew Rate Option (+HS)
and Models Rated >3000 Vdc
< 5 ms, output voltage change from 0 to 63%
< 10 ms, output current change from 0 to 63%

Trip Settings Range

Over Voltage: 10% to 110% max voltage rating
Over Current: 10% to 110% max current rating

Computer Command Protocol

Standard Commands for Programmable Instruments (SCPI)

Remote Sense Limits
Wired; Available on Models Rated ≤1000 Vdc

3% maximum voltage drop from output to load

2.5.4. Connectivity Specifications

Communication Interfaces (Standard)

RS232: DB-9, Female
External User I/O: DB-37, Female

Communication Interfaces (Optional)

LXI TCP/IP Ethernet: RJ-45
GPIB: IEEE-488

2.5.5. External User I/O Specifications

Digital Inputs

5 V, 10 kΩ impedance

Digital Monitoring Signals

5 V, 5 mA capacity

Digital Reference Signal

5 V output, 25 mA capacity

Analog Programming Input

0-10 V

Analog Programming Impedance

10 kΩ

Analog Monitoring Signals

0-10 V, 5 mA capacity

Analog Monitoring Impedance

100 Ω

Analog Monitoring Accuracy

0.2% of max rating

Analog Reference Signal

10 V, 5 mA capacity, 1 Ω impedance

For more details about the External User I/O, see: External User I/O.

2.5.6. Physical Specifications

Racking Standard

EIA-310

Rear Support Rails

Included

Power Level

Rack Units

Size

Weight

2 kW

2U

3.50” H x 19” W x 24” D
(8.89 x 48.26 x 60.96 cm)

45 lbs (20.41 kg)

4 kW

2U

3.50” H x 19” W x 24” D
(8.89 x 48.26 x 60.96 cm)

47 lbs (21.32 kg)

6 kW

2U

3.50” H x 19” W x 24” D
(8.89 x 48.26 x 60.96 cm)

48 lbs (21.77 kg)

8 kW

2U

3.50” H x 19” W x 24” D
(8.89 x 48.26 x 60.96 cm)

48 lbs (21.77 kg)

10 kW

2U

3.50” H x 19” W x 24” D
(8.89 x 48.26 x 60.96 cm)

48 lbs (21.77 kg)

2.5.7. Environmental Specifications

Ambient Operating Temperature

-25°C to 50°C

Storage Temperature

-40°C to +85°C

Humidity

Relative humidity up to 95% non-condensing

Air Flow

Side air inlet, rear exhaust

Temperature Coefficient

0.04%/°C of maximum output voltage
0.06%/°C of maximum output current

2.5.8. Regulatory Compliance

EMC

Complies with European EMC Directive for test and measurement products, 2014/30/EU

Safety

Complies with EN61010-1:2010

CE Mark

Yes

RoHS Compliant

Yes