Specifications¶

AC Input Specifications¶

1Φ AC Input Voltage 1Φ, 2-wire + ground	100 to 240 Vac (UI: Universal input; 1.5 kW Models) 208 to 240 Vac (UI2: Universal input; 2.6 kW Models)
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 chart of available models
AC Input Frequency	50-400 Hz
Power Factor	0.99 at max power; models with 1Φ AC input >0.82 at max power; models with 3Φ AC input
AC Input Isolation	±2500 Vdc, maximum input voltage to ground

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	84% to 95%; refer to chart of available models
DC Output Isolation	±1500 Vdc max output voltage to ground

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)	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	3% maximum voltage drop from output to load

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

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: user-io.

Power Level	Rack Units	Size	Weight
1.5 kW	1U	1.75” H x 19” W x 24” D (4.4 x 48.3 x 61.0 cm)	32 lbs (14.52 kg)
2.6 kW	1U	1.75” H x 19” W x 24” D (4.4 x 48.3 x 61.0 cm)	34 lbs (15.42 kg)
4 kW	1U	1.75” H x 19” W x 24” D (4.4 x 48.3 x 61.0 cm)	35 lbs (15.88 kg)
6 kW	1U	1.75” H x 19” W x 24” D (4.4 x 48.3 x 61.0 cm)	35 lbs (15.88 kg)
8 kW	1U	1.75” H x 19” W x 24” D (4.4 x 48.3 x 61.0 cm)	36 lbs (16.33 kg)
10 kW	1U	1.75” H x 19” W x 24” D (4.4 x 48.3 x 61.0 cm)	37 lbs (16.78 kg)

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

EMC	Complies with 2014/30/EU (EMC Directive) CISPR 22 / EN 55022 Class A
Safety	NRTL Listed, TÜV SÜD Certificate U8 123461 0001 Tested to UL 61010-1:2012/R:2019-07 and CSA C22.2 No. 61010:2012/A1:2018-11 Complies with EN61010-1 and 2014/35/EU (Low Voltage Directive)
CE Mark	Yes
RoHS Compliant	Yes