Sorensen - SFA Series 5kW to 30kW High Slew Rate Current Source

  • High Power Density: Up to 15 kW in a 3U / 30 kW in a 6U chassis
  • Wide Voltage Range: 0-40V up to 0-600V, in increments of 5 kW from 5 to 30 kW
  • Fast Load Transient Response: Protection from undesired voltage excursions
  • Low RMS and P-P Noise: Suitable for the most sensitive applications
  • Parallelable up to 150 kW: Expandable as your requirement grows
  • Modular Design: Upgradeable for the ultimate in investment protection
  • Sequencing: Program custom waveforms
  • Easy-to-read Fluorescent Display: SGI supports English, French, German, Italian, Spanish, Chinese, Japanese, and Korean languages
  • 16-bit Resolution: Optional IEEE-488.2 + RS-232C + Ethernet provides precise control
  • Ethernet Control: LXI Class C compliant communication through integrated web server
  • Direct Relay Control: Control output and sense isolation relays, along with polarity relays. (Ethernet Option Only)
  • Hardware Trigger: Ethernet Option Only
  • 5 Year Warranty

Sorensen SFA Series Specifications (at nominal AC line and 25ºC)
Electrical Characteristics
Control Mode Current Control
Front Panel Meter Accuracy Voltage ±0.5% of full-scale + 1 digit 

Current ±0.5% of full-scale + 1 digit
Load Regulation (no load to full load, nominal AC input) Current 0.1% of rated output current
Line Regulation (±10% of nominal AC input) Current 0.05% of rated output current
Current Ripple 1% p-p of full-scale current
Transient Response Output current recovers to within 1% of current setpoint within 1ms for a 10 to 100% or 100% to 10% step load change
Output Slew Rate (10-90% resistive load) 250A/ms (400A/ms typical) rise, 200A/ms typical fall; 160V model 87A/ms/5kW (145A/ms/5kW typical), 60A/ms, typical, fall
Output Capacitance 60V Models: <2µF

160V Models: <3µF
Stability ±0.05% of setpoint after 8–hr. warm-up at fixed line, load, and temperature using remote sense
Power Factor >0.9 typical for 208/220VAC input

>0.78 typical for 380/400VAC input

>0.7 typical for 440/480VAC input
Remote Analog Control

Current Setpoint Accuracy ±0.8% of full-scale output

● Overcurrent Protection ±1% of full-scale output 

● Resistive Control 0–5 kW = 0-100% Current 

● Voltage Control 0–5 or 0–10 VDC = 0-100% Current 

● Overcurrent Protection 0–5.5 VDC = 0-110%

Efficiency 87% typical at full load, nominal line
Remote Control/Monitor On/Off control via contact closure, 6-120 VDC or 12-240VAC, and TTL or CMOS switch, current monitor, OCP limit set, summary fault status
Overvoltage Protection Fixed at approximately 110% of the rating compliance voltage. Reset requires cycling the front panel standby power switch off/on

Isolated Analog Control (option)

Input to Output Isolation: 500 V

Compliant with maximum terminal float voltage.

Recommended operation under SELV normal conditions.
Environmental Characteristics
Ambient Operating Temperature 0 to 50°C
Storage Temperature -25 to 65°C
Temperature Coefficient Current Setpoint 0.03% / °C of rated current
Cooling Internal Fans. Zero clearance stacking
Humidity 0 to 90% at 40°C; 0 to 50% at 25°C non-condensing
Altitude Full power at 5,000 feet, 10% derating of full power for every 1,000 feet above 5,000 feet
Regulatory Certified to UL/CSA 61010 and IEC/EN 61010-1 CE Compliant (LVD and EMC Directives)
Input Power Options
Configuration 3–phase, 3–wire plus ground. Not phase rotation sensitive. Neutral not used
Voltage Selection 208/220 VAC±10%, 47 to 63 Hz

380/400 VAC±10%, 47 to 63 Hz 

440/480 VAC±10%, 47 to 63 Hz
Physical
Up to 15kW in 3U 19.00in W x 25.12in D x 5.25inH; 80 lbs. (48.3cm W x 63.8cm D x 13.3cm H; 36 kg)
15 - 30kW in 6U 19.00in W x 25.12in Dx 10.5in x H; 160 lbs.

(48.3cm W x 63.8cm D x 36.7cm H; 73 kg)

More Product Information

AMETEK Programmable Power

Located in San Diego, California, AMETEK Programmable Power designs, manufactures, and markets precision, AC and DC programmable power supplies, electronic loads, application specific power subsystems, and compliance test solutions for customers requiring and valuing differentiated power products and services. Also part of our business is VTI Instruments, which delivers precision modular instrumentation and systems for electronic signal distribution, acquisition, and monitoring, used in the world's most demanding test applications. 

AMETEK Programmable Power boasts one of the industries' broadest portfolios of programmable power products under the well-known and respected Sorensen, Elgar, and California Instruments brands. AMETEK Programmable Power’s products serve a wide range of stimulus (T&M) and process power needs in applications including semiconductor fabrication, commercial and defense ATE, oil exploration, solar array and battery string simulation, avionics, general R&D and EMC compliance testing. 

VTI Instruments provides products and systems which are used to monitor and record data that characterizes the physical integrity and performance of aircraft, engines, and other large structures, as well as automate the functional testing of complex electronic systems. VTI Instruments is recognized as an industry leader with a reputation of providing reliable data, first time, every time. 

With strong brands, a broad product portfolio, exceptional precision power conversion and control expertise, proven power system integration capabilities and deep applications knowledge, AMETEK Programmable Power is your source for programmable power supplies, precision data acquisition instruments, and more.


Contact Details 

AMETEK Programmable Power, Inc. − San Diego 

9250 Brown Deer Road, San Diego, CA 92121, USA

Phone: 858-450-0085 

Fax: 858-458-0267 

Email: sales.ppd@ametek.com for general inquiries

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Test & Measurement

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Sorensen - SFA Series 5kW to 30kW High Slew Rate Current Source
Sorensen - SFA Series 5kW to 30kW High Slew Rate Current Source