Sorensen XFR40-70 DC Power Supply, 0-40 V, 0-70 A, 2800 W. New in Box.

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List Price: $7,469.67 US Dollars

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Product Code: XFR 40-70

Description

Datasheet PDF Format

Features

XFR Series : Zero Voltage "Soft" Switching

XFR is the smart choice for research, product development and production test applications such as R&D, magnet control, product design, ATE, process control, electroplating and burn-in. The unique features of XFR make it the best choice for OEM applications where high power and a wide adjustment of output voltage or current are required in a full 19-inch rack package. Choose from twenty 2800-watt and 1200-watt models.

Zero voltage, or "soft" switching, provides significant benefits. Switching transients are virtually eliminated and noise performance is closer to linear levels. Efficiency is increased, heat generation is decreased, and stress on the switching transistors is reduced - improving reliability (MTBF). Unlike most competitive products, XFR generates full power at full rated current over its total operating range of 0 to 50° C without derating. XFR is also designed with excellent thermal management, so units can be stacked in rack mounts without leaving ventilation space between each unit. The low thermal generation and high efficiency of "soft" switching technology allows for the packaging of 1200 watts in a 1.75-inch (1 U) high, 19-inch rack mount chassis, providing 20% more power than any competitive product in the same size package.

Key Features

Analog programming
Constant voltage or constant current operation
LabView® and LabWindows® drivers
Standby mode
Front panel button preview of voltage, current, OVP
CE, CSA, UL approvals

Electrical Specifications 1
	Output Ratings:
	Output Voltage	0-40 V
	Output Current	0-70 A
	Output Power	2800 W
	Line Regulation: 2
	Voltage (0.01% of Vmax + 2 mV)	3 mV
	Current (0.01% of Imax + 2 mA)	4 mA
	Load Regulation: 3
	Voltage (0.02% of Vmax + 5 mV)	3 mV
	Current (0.02% of Imax + 5 mA)	5 mA
	Meter Accuracy:
	Voltage (0.5% of Vmax + 1 count)	0.5 V
	Current (0.5% of Imax + 1 count)	0.8 A
	Output Noise & Ripple:
	Voltage rms	7 mV
	Voltage (p-p) (0-20 MHz)	60 mV
	Current rms	70 mA
	Drift (8 hours): 4
	Voltage (0.05% of Vmax)	20 mV
	Current (0.05% of Imax)	35 mA
	Temperature coefficient: 5
	Voltage (0.02% of Vmax/° C)	8 mV
	Current (0.03% of Imax/° C)	21 mA
	Program Slew Rate: 6
	Rise Time	100 ms
	Fall Time	100 ms
	OVP adjustment range: (5% to 110% of Vmax)	2-44 V
	Efficiency: 7	87%
	Interface Specifications 1,8
	Program Resolution (16-bit):
	Voltage	0.67 mV
	Current	1.17 mA
	OVP	0.67 mV
	Program Accuracy:
	Voltage (0.2% + 10 mV)	75 mV (+/- 0.3%)
	Current (0.3% + 10 mA)	350 mA (+/- 0.1%)
	OVP (0.5% + 100 mV)	400 mV
	Readback Resolution (16-bit):
	Voltage	0.67 mV
	Current	1.17 mA
	Readback Accuracy:
	Voltage (0.2% + 20 mV)	75 mV (+/- 0.35%)
	Current (0.3% + 20 mA)	350 mA (+/- 0.1%)

	1. Specifications indicate typical performance at 25 ° C +/- 5° C, nominal line input of 120 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 at full rated output with a resistive load.
	7. Typical efficiency at 200 VAC input and rated output power. 8. Apply accuracy specifications according to the following voltage program accuracy example: Set a model 20-130 power supply to 10 volts. The expected result will be within the range of 10 volts +/- 75 mV +/- 0.12% of the set voltage of 10 volts.

	General Specifications
	Operational AC input voltage	190-264 VAC, 1 phase (24.3 A @ 208 VAC; 20.5 A @ 230 VAC typical), 47-63 Hz; Option: M2 3-phase 208 VAC input.
	Switching Frequency	Nominal 31 kHz (62 kHz output ripple)
	Time Delay	7 s maximum from power on until output stable
	Voltage Mode Transient Response Time	<3 ms for output voltage to recover within 0.5 % of its rated voltage after a step change in load current of up to 10% to 90% of rated output
	Maximum Voltage Differential	+/-600 VDC from output to safety ground
	Remote On/Off and Interlock	2.5-15 V signal or TTL-compatible input, selectable logic
	Remote Analog Programming	Voltage and current programming inputs (source must be isolated): 0-5 k, 0-10 k 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
	Remote Programming and Monitoring Accuracy	1% zero to full scale output for the default range
	Maximum Remote Sense Line Drop Compensation	5 V/line (Line drop is subtracted from total voltage available at supply output)
	Operating Temperature Range	32° F to 122 ° F (0° C to 50° C)
	Storage Temperature Range	-4° F to 158° F (-20° C to 70° C)
	Humidity Range	Up to 90% RH, non-condensing
	Front Panel Voltage and Current Control	10-turn voltage and current potentiometers
	Front Panel Voltage Control Resolution	0.02% of maximum voltage
	AC Input Connector Type	3-terminal, 34 A/250 V, wire clamp connector with strain relief cover
	Main Output Connector	7.5 to 100 V models: nickel-plated copper bus bars with bus bar cover and strain relief;150 V to 600 V models: 4-terminal, wire clamp connector with cover and strain relief
	Weight (one unit)	33 lb (15 kg) approx
	Dimensions (H x W x D)	3.5 x 19.0 x 21.0” (88.9 x 429.4 x 533.5 mm)
	Options
	GPIB-XFR3	GPIB Interface card (16-bit)
	HFS-XFR3	Fiber Optic Serial Interface card (16-bit)
	RS-232-XFR3	RS-232 Interface card (16-bit)
	ISOL-XFR3	ISOL Interface card provides isolated analog control and readback
	ISOL-420	4-20 mA isolated analog control
	M2	208 VAC, 3 phase input
	M13A	Locking knobs for front panel controls
	Regulatory 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 subject to change without notice.

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