ELR 9000 Series Regenerative DC Load
3.5 kW – 10.5 kW per 3U chassis
Manufactured by EA Elektro-Automatik · supplied and integrated by Intepro
Regenerative DC load returning test energy to the mains instead of dissipating it as heat — 3.5 kW to 10.5 kW in a single 3U chassis.
Supplied and integrated by Intepro, manufactured by EA Elektro-Automatik (now part of Tektronix). Confirm specifications against the manufacturer's current datasheet before quoting — revisions are theirs, not ours.
Output
| Output voltage | up to 1500 V (DC input/sink rating) |
|---|---|
| Output current | up to 510 A per chassis (DC input/sink rating) |
| Phase | dc |
Input
| phase | AC input/output connection: L,N,PE (3.5 kW models); L1, L3, N, PE (7 kW models); L1,L2,L3,N,PE (10.5 kW models) |
|---|---|
| voltage | 195...253 V L-N / 340...440 V L-L (230 V models); 208 V, ±10%, L-L (208 V models) |
| frequency | 50/60 Hz ±10% |
Models
Part numbers in crawlable text — searchable, linkable, and quotable by model.
| Part number | Power | Phase | Input | Max input current |
|---|---|---|---|---|
| ELR 9080-170 | 3500 W | — | — | — |
| ELR 9250-70 | 3500 W | — | — | — |
| ELR 9500-30 | 3500 W | — | — | — |
| ELR 9750-22 | 3500 W | — | — | — |
| ELR 9080-340 | 7 kW | — | — | — |
| ELR 9250-140 | 7 kW | — | — | — |
| ELR 9500-60 | 7 kW | — | — | — |
| ELR 9750-44 | 7 kW | — | — | — |
| ELR 91000-30 | 7 kW | — | — | — |
| ELR 9080-510 | 10.5 kW | — | — | — |
| ELR 9250-210 | 10.5 kW | — | — | — |
| ELR 9500-90 | 10.5 kW | — | — | — |
| ELR 9750-66 | 10.5 kW | — | — | — |
| ELR 91500-30 | 10.5 kW | — | — | — |
Capabilities
- 3.5-10.5kW of DC loading in a single 3U chassis; the sheet quotes these as input (sink) ratings — input power ratings up to 10.5 kW per chassis, input voltages up to 1500 V, input currents up to 510 A per chassis
- Regenerative: recovers supplied DC energy back to the local mains with approximately 95% efficiency
- Four regulation modes (CV, CC, CP, CR)
- Master-slave bus for parallel connection; expandable to 240kW
- Integrated function generator based on 4096 data points: sine, triangle, rectangular, trapezoid, DIN 40839, arbitrary, ramp, UI-IU
- Analog interface and USB interface built-in; optional GPIB, CANopen, Profibus, Profinet, RS232, CAN, Ethernet, ModBus TCP, EtherCAT
- FPGA/DSP based digital control; SCPI command language supported
- Galvanically isolated DC input
What it is bought for
Each of these sets out the bus, the clause and where programmes get caught out.
Where this sits in the range
2 of 2 by ceiling in Electronic Loads.
Further reading
- The Battery Tester Voltage Window: Bought for 1500 V, Caught Out at 36 V
- Configuring a High-Power Rack: The Vega Decision, Module by Module
- Replacing a Test System: Match the Channel Architecture, Not the Kilowatts
- Open Architecture ATE: The Test Program Should Outlive the Instrument
- What Regeneration Actually Returns: Reading the Efficiency Figure as Written
Every figure on this page is transcribed from intepro-elr9000-series-web.pdf. A build gate re-checks each one against that document and fails the build if it is not there.