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XFR 2.8 kW
XFR 2.8 kW Programmable DC Power Supply with Zero Voltage"Soft Switching"
Provides 2.8 kW of DC Power for OEM Applications Xantrex Technology Inc.
Headquarters
The Xantrex XFR 2.8 kW programmable DC power supply provides clean, reliable power for research, 8999 Nelson Way
product development, and production test applications. The supplies are ideal for OEM applications Burnaby, British Columbia
where high power and a wide adjustment of output voltage or current are required in a full 19-inch Canada V5A 4B5
rack package. 800 670 0707 Toll Free
604 420 1591 Fax
The XFR 2.8 kW has excellent thermal management allowing for units to be stacked in rack mounts
without any ventilation space required between each unit. The supplies offer high reliability with 5916 195th Street NE
zero voltage, or "soft switching", which virtually eliminates switching transients for high efficiency, Arlington, Washington
decreased heat generation, and reduced stress on the switching transistors. USA 98223
800 446 6180 Toll Free
Product Features 360 925 5144 Fax
Zero voltage "Soft Switching"
Simultaneous front panel display of output voltage and current
Constant voltage or constant current operation
Standby mode
Remote sense with 5 V line loss compensation
LabVIEW® and LabWindows® drivers
Protection Features
Over voltage protection
Over temperature protection
Options
Isolated analog control (ISOL)
RS-232 interface card
GPIB interface card
GPIB-multichannel
CompuMess Elektronik GmbH · Lise-Meitner-Str. 1 · D-85716 Unterschleißheim
Telefon (089) 32 15 01 - 0 · Telefax (089) 32 15 01 - 11
info@compumess.de · www.compumess.de · www.netzteile.de
© 2004 Xantrex Technology Inc. All rights reserved. Xantrex is a trademark of Xantrex International. PN DS20040608R03_xfr2.8 Printed in Canada www.xantrex.com
XFR 2.8 kW
XFR 2.8 kW Programmable DC Power Supply with Zero Voltage "Soft Switching"
Electrical Specifications 1
Models 7.5-300 12-220 20-130 33-85 40-70 60-46 100-28 150-18 300-9 600-4
Output Ratings
Output Voltage 0-7.5 V 0-12 V 0-20 V 0-33 V 0-40 V 0-60 V 0-100 V 0-150 V 0-300 V 0-600 V
Output Current 0-300 A 0-220 A 0-130 A 0-85 V 0-70 A 0-46 A 0-28 A 0-18 A 0-9 A 0-4 A
Output Power 2250 W 2640 W 2600 W 2085 W 2800 W 2760 W 2800 W 2700 W 2700 W 2400 W
Line Regulation 2
Voltage 3 mV 3 mV 3 mV 3 mV 3 mV 3 mV 3 mV 3 mV 15 mV 15 mV
Current 20 mV 20 mV 5 mV 4 mV 4 mV 3 mV 3 mV 3 mV 3 mV 3 mV
Load Regulation 3
Voltage 3 mV 3 mV 3 mV 3 mV 3 mV 3 mV 3 mV 3 mV 15 mV 15 mV
Current 20 mA 20 mA 10 mA 5 mA 5 mA 4 mA 4 mA 4 mA 4 mA 3 mA
Meter Accuracy
Voltage (1% of Vmax + 1 count) 0.09 V 0.13 V 0.3 V 0.43 V 0.5 V 0.7 V 1.1 V 1.6 V 4V 7V
Current (1% of Imax + 1 count) 4A 2.3 A 1.4 A 0.95 A 0.8 A 0.56 A 0.38 A 0.19 A 0.1 A 0.05 A
Output Noise (0-20 mHz)
Voltage (p-p) 50 mV 50 mV 50 mV 60 mV 60 mV 60 mV 100 mV 100 mV 100 mV 175 mV
Output Ripple (rms)
Voltage 5 mV 5 mV 7 mV 7 mV 7 mV 7 mV 14 mV 15 mV 20 mV 35 mV
Current 250 mA 150 mA 60 mA 60 mV 70 mA 30 mA 10 mA 7 mA 7 mA 3 mA
Drift (8 hours) 4
Voltage (0.05% of Vmax) 3.75 mV 6 mV 10 mV 16.5 mV 20 mV 30 mV 50 mV 75 mV 150 mV 300 mV
Current (0.05% of Imax) 150 mA 110 mA 65 mA 42.5 mA 35 mA 23 mA 14 mA 9 mA 4.5 mA 2 mA
Temperature Coefficient 5
Voltage (0.02% of Vmax/°C) 1.5 mV 2.4 mV 4 mV 6.6 mV 8 mV 12 mV 20 mV 30 mV 60 mV 120 mV
Current (0.03% of Imax/°C) 90 mA 66 mA 39 mA 25.5 mA 21 mA 13.8 mA 8.4 mA 5.4 mA 2.7 mA 1.2 mA
Program Slew Rate 6
Rise time 100 ms 100 ms 100 ms 100 ms 100 ms 100 ms 170 ms 170 ms 170 ms 170 ms
Fall time 100 ms 100 ms 100 ms 100 ms 100 ms 100 ms 170 ms 170 ms 170 ms 170 ms
OVP Adjustment Range 0.375-8.25 V 0.6-13.2 V 1-22 V 1.65-36.6 V 2-44 V 3-66 V 5-110 V 7.5-165 V 15-330 V 30-660 V
(5% to 110% of Vmax)
Efficiency:7 80% 82% 85% 85% 87% 90% 90% 90% 91% 91%
1. Specifications indicate typical performance at 25° C ±5°C, nominal line input of 208 VAC.
2. For input voltage variation over the AC input voltage range, with constant rated load.
3. For 0-100% load variation, with constant nominal line voltage.
4. Maximum drift over 8 hours with constant line, load, and temperature, after 30-minute warm-up.
5. Change in output per °C change in ambient temperature, with constant line and load.
6. Measured with stepped 0-10 V analog programming source and a resistive load.
7. Typical efficiency at nominal input voltage and rated output power.
General Specifications
Operational AC Input Voltage 190-264 VAC, 1-phase (24.3 A at 208 VAC; 20.5 A at 230 VAC typical), 47-63 Hz; Option: M2 3 phase 208 VAC input
Switching Frequency Nominal 31 kHz (62 kHz output ripple)
Remote Analog Programming Voltage and current programming inputs (source must be isolated): 0-5 k, 0-10 k (2%) resistances; 0-5 V, 0-10 V (default) voltage sources
Remote Analog Monitoring Voltage and current monitor outputs 0-5 V, 0-10 V (default) ranges for 0-100% of output
Dimensions (HxWxD) 3.5 x 19.0 x 21.0" (88.9 x 429.4 x 533.5 mm)
Weight Approximately 33 lb (15 kg)
Warranty 5 years
Approvals CE-marked units meet: EN61010-1, EN61000-6-2 and EN61000-6-4; UL Listed to UL3111-1; CSA certified to CSA C22.2 No 1010.1;
Meets USA EMC standard: FCC, part 15B, class A; Meets Canadian EMC standard; ICES-001, Class A.
Note: Specifications are subject to change without notice.