2.5. Specifications

2.5.1. AC Input Specifications

3Φ AC Input Voltage 3Φ, 3-wire + ground Available on all models	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 Current
AC Input Frequency	50-60 Hz
Power Factor	>0.92 at max power; 150 kW models >0.96 at max power; 250 kW models
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	90% to 92%; 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 or Models with +ISO Option	±6000 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%
Bandwidth Standard Models	3 Hz, remote analog voltage 2 Hz, remote analog current
Bandwidth Models with High Slew Rate Option (+HS)	60 Hz, remote analog voltage 45 Hz, remote analog current
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 without the +ISO Option	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: Operation: External User I/O.

Power Level	Cabinet	Size	Weight
150 kW	Floor-standing double-bay 19” cabinet Qty (6) locking casters, standard	67” H x 48” W x 31.5” D (170.2 x 121.9 x 80.0 cm)	2100 lbs (952.5 kg)
250 kW	Floor-standing triple-bay 19” cabinet Qty (8) locking casters, standard	67” H x 72” W x 31.5” D (170.2 x 182.9 x 80.0 cm)	3300 lbs (1496.9 kg)

Ambient Operating Temperature	0°C to 50°C
Storage Temperature	-40°C to +85°C
Humidity	Relative humidity up to 95% non-condensing
Air Cooling	Front and rear air inlet, top 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	Complies with EN61010-1 Complies with 2014/35/EU (Low Voltage Directive)
CE Mark	Yes
RoHS Compliant	Yes