Sorensen - i-BEAM Series - High Performance, Bidirectional, Regenerative Programmable DC Power System

  • Single system power up to 650 kW 
  • Parallel system power up to 1.3 MW 
  • Bidirectional output voltage up to 1,000 V 
  • Bidirectional output current up to ±1,000 A, up to ±2,000A in parallel 
  • Available in 1, 2 or 4 channel configurations 
  • Multiple channel units share internal DC Bus up to 2MW without drawing additional power from the AC Grid 
  • Regenerative to 96% 
  • Large 15-inch color touch panel 
  • Short circuit proof 
  • Designed for safety to EN ISO 13849-1 
  • Dedicated Battery Testing/Simulation Modes 
  • Seamless transition between source and sink 
  • High reliability, long life components

The i-BEAM Series offers a variety of single-channel, two-channel and four-channel models rated at 35kW to 650kW. Output voltage ratings include 80V, 120V, 300V,600V, 800V and 1000V, with current ratings of 200A, 600A and 1000A. Refer to order information at the end of this data sheet for exact model numbers

i-BEAM Series Technical Specifications

AC Input Specifications

AC Input Voltage and Frequency 380/400*/440/480/500/690 V ±10%, 3-phase, 50/60 Hz ±6%
Power Consumption 113 kVA
Maximum Power Loss 12.2 kW
Power Factor (at rated power) > 0.99 ind.
Total Efficiency at Full Load

Voltage: 94.8 % 

Current: 89.1%

Current (maximum per phase) 181 A at 400 V -10%
Rated Conditional Short Circuit Current 50 kA
Recommended Pre-Fuse 3 each Class gL/gG 200A
Recommended Cable Cross Section 1 x 95 mm2 per terminal, ≥ 50 mm2 PE
Recommended Cable Lug M10
Rectifier Implementation Isolation Transformer (DC terminal is floating)

DC Output Specifications

Power 35 kW to 650 kW
Voltage 5 – 1,000 VDC
Voltage Ripple ≤ 0.1% Effective Full Scale
Current ± 1,000 A
Current Rise Time < 1 ms (300V – 800V) < 1.3 ms (1,000V)
Current Ripple ≤ 0.1% Effective Full Scale
Internal Resistance (single operation)1 -10 mΩ to +1,000 mΩ
Internal Resistance (parallel operation)1 -10 mΩ to +100 mΩ
Accuracy Voltage/Current: 0.1% Full Scale Power: 0.2% Full Scale of maximum DC power
Tolerance (Static at setpoint value) Voltage/Current: ± 0.1% Full Scale
Tolerance (Dynamic, 0-100% Inom in 3 ms) Simulation mode < 1%, Test mode < 3%
Measurement Accuracy / Resolution Voltage/Current: 0.1% Full Scale / 16-bit Resolution
Short Circuit Performance

Short circuit proof (ICW < 3 kA, short circuit not for longer time) 

At 200A/600A: Standard 3 kA (optional 8 kA) 

At 1000A: Always 8 kA

Overvoltage Category II per EN 60664-1
Remote Sense Compensation 5% maximum of rated output voltage


1. Internal resistance can be reset via interface every 100 ms. New setpoints are calculated every 1 ms and smoothed with a low-pass filter for 10 ms

Environmental Specifications

Protection IP 20 per EN 60529
Protection Class 1 per EN 61140
Operating and Storage Temperature +5°C to +40°C (+41°F to +104°F); EN 60721-3-3
Transportation Temperature -45°C to +70°C (-49°F to +158°F); EN 60721-3-2
Operating Humidity 5% - 85% relative humidity without condensation
Operating Altitude 1,000 m (3,280 ft.) with minimum 870 hPa air pressure
Acoustic Noise2 < 77 dB(a)
Installation Site Recommendations Operating area with restricted access and installation on a level, Non-Flammable Floor
Cable Entry From Below
Connection Points Bottom Front, accessible after doors are open


2. The acoustic noise level of the system depends on the load, the loading duration and the environmental conditions; Measurements takes place from front in 1 m high and 1 m distance.

Regulatory Agency Compliance

EMC Directive 2014/30/EU
EMC Standards EN 61000-2-4 Class 3, EN 61000-6-2, EN 6100-6-4, EN 55011, EN 61800-3 Cat. C2 (A1)
RoHS Directive 2011/65/EU
General and Safety Standards EN 60146-1-1, EN 60146-2, EN 62040-1, EN 61439-1, EN 61439-2, EN 62477-1, EN 63000, EN 60529, EN 60721-X, EN 61140
Machine Safety Standards EN 60204-1, EN 61800-5-2, EN ISO 13849-1, EN ISO 13849-2
Unit Protection
Output Overvoltage Protection (OVP) Overvoltage Hardware (HW) Protection. Programmable within voltage range, reaction time less than 1 ms
Overvoltage Software (SW) Protection. Software triggered shutdown with a programmable time delay. Limit can be set closer to the maximum voltage level but should be less than the Overvoltage HW set point.
Output Current Limit Protection Overcurrent (source) and Undercurrent (sink) are programmable within the current range.
Reverse Polarity Protection Reverse polarity protection active when the DC Converter is off and detected by the sense lines.
AC Input Protection Automatic shutdown if AC Inputs fall out of nameplate specifications for voltage, frequency or phase loss.
Overtemperature Protection (OTP) Automatic Overtemperature Protection shutdown when internal component temperature exceeds +40°C (+104°F).

Cabinet Dimensions and Weights 

Typical cabinet dimensions and weights. Actual dimensions and weights vary by system configuration and options. All cabinets require a minimum of 300 mm (11.8 inch) clearance to the ceiling. 

  • i-BEAM configurations of 320kW and higher require additional cabinets.

Cabinet No.






1,000 mm (39.4 Inch) 800 mm (31.5 inch) 2,000 (78.8 inch) 1,000 kg (2,205 lbs.)


1,200 mm (47.3 inch) 800 mm (31.5 inch) 2,000 (78.8 inch) 900 kg (1,984 lbs.)


1,200 mm (47.3 inch) 800 mm (31.5 inch) 2,000 (78.8 inch) 900 kg (1,984 lbs.)

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: for general inquiries

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Test & Measurement

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i-BEAM Series