ELSO Technologies Sdn Bhd
8E, First Floor, Jalan Tun Dr. Awang, Bukit Jambul, 11900 Bayan Lepas, Penang, Malaysia.
+6016-422 8644 Mr Kwang

Johor Branch
Lake View Apartment, Jalan Austin Perdana 1, Taman Austin Perdana, 81100 Johor Bahru, Johor, Malaysia.

Chong CW (Sales Manager)

Selangor Branch
Puchong, Selangor.

Glenys Teoh (Sales Manager)

East Malaysia Branch
Lot 35, Lot 5277, Lorong 9C1, Jalan Kapor, 93150 Kuching, Sarawak, Malaysia.

Clement Lau (Sales Engineer)

ELSO Technologies Pte Ltd
Singapore Branch

1 Coleman Street #10-06 The Adelphi 179803 Singapore.

Chew Peng Seng (Sales Manager)

ALx Series 1.25 kW to 2.5 kW +

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ALx Series 1.25 kW to 2.5 kW + DC Electronic Load Magna Power

Linear MOSFET Electronic Load
Wide Full Power Operating Range



The ALx Series utilizes conventional linear MOSFET-based dissipative elements, allowing the series to achieve a very wide voltage-current operating range within the model’s maximum power rating. Using the same heat management innovations developed for Magna-Power’s high density programmable DC power supplies, the ALx Series’ conservative cooling ensures long product life in environments up to 50 °C ambient operating temperature.

Designed and Manufactured in the USA

MagnaLOADs are designed and manufactured at Magna-Power's vertically integrated USA manufacturing facility in Flemington, New Jersey. Heat-sinks and chassis are machined from aluminum. High-power resistor modules are fabricated and rigorously tested. An automated surface-mount production line places components on printed circuit boards for control, auxiliary power, and display circuits. And finally after assembly, products undergo comprehensive test and calibration, followed by an extended burn-in period.

There are many possible configurations for the ALx Series product. Using the following ordering guide and models chart to define the best model for your application.


Model Maximum Power Maximum Voltage Maximum Current Package Type
ALx1.25-200-300 1.25 kW 200 Vdc 300 Adc Rack-mount
ALx1.25-500-125 1.25 kW 500 Vdc 125 Adc Rack-mount
ALx1.25-1000-60 1.25 kW 1000 Vdc 60 Adc Rack-mount
ALx2.5-200-600 2.5 kW 200 Vdc 600 Adc Rack-mount
ALx2.5-500-250 2.5 kW 500 Vdc 250 Adc Rack-mount
ALx2.5-1000-120 2.5 kW 1000 Vdc 120 Adc Rack-mount


AC Input Specifications

  • AC Input Voltage 85-265 Vac, 1-phase
  • AC Input Frequency 45 Hz to 440 Hz

External User I/O Specifications

  • Digital Input Voltage 5 V
  • Digital Input Impedance 10 kO
  • Digital Monitoring Voltage 5 V, 32 mA capacity
  • Digital Reference Voltage 5 V, 20 mA capacity
  • Analog Programming Voltage 0-10 V
  • Analog Input Impedance 10 kO
  • Analog Programming Resolution 12-bit, 0.025%
  • Analog Monitoring Voltage 0-10 V, 3 mA capacity
  • Analog Reference Voltage 10 V, 20 mA capacity
  • Provided Reference Voltages 5 V, 10 V
  • Interlock Input 5 V

Programming Specifications

  • Current Resolution 16-bit, 0.0015%
  • Voltage Resolution 16-bit, 0.0015%
  • Power Resolution 16-bit, 0.0015%
  • Resistance Resolution 16-bit, 0.0015%

Environmental Specifications

  • Operating Temperature 0 to 50 °C
  • Storage Temperature -25 to 85 °C
  • Humidity (Non-Condensing) = 95%
  • Altitude Up to 10,000 ft (3,000 m)
  • Air Intake (All Models) Front
  • Air Exhaust (All Models) Rear

Connectivity Specifications

  • USB Host (Front) Standard, Type B
  • USB Host (Rear) Standard, Type B
  • RS485 (Rear) Standard, RJ-45
  • LXI TCP/IP Ethernet (Rear) Optional, RJ-45
  • IEEE-488 GPIB (Rear) Optional
  • MagnaLINK™ Standard, RJ-25 x 2
  • External User I/O Standard, 25-pin D-sub F

Physical Specifications

The size of ALx Series MagnaLOADs vary according to the product's maximum power output rating, in accordance with the following table:

Power Package Size (H x W x D) Weight
1.25 kW Rack-mount (3U) 5¼" x 19" x 24" (13.34 x 48.26 cm x 60.96) 40 lbs (18.1 kg)
2.5 kW Rack-mount (3U) 5¼" x 19" x 24" (13.34 x 48.26 cm x 60.96) 65 lbs (29.5 kg)

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