Product Type: UPS

SDU Series, Direct Current Uninterruptible Power Supply (DC UPS)

This DIN Rail UPS offers a rugged and compact housing and is the ideal back-up power solution for your critical connected loads. It’s an advanced 24 VDC uninterruptible power supply which provides higher conversion efficiencies by reducing the number of times power is converted from AC to DC and back. This brings you maximum system up-time and optimized reliability assurance.



  • Monitoring, diagnostics, and remote turn-on and shut-off capabilities
  • Wide power module operation temperature range (-20 to +50°C)
  • No internal fan, no extra cooling required
  • Two-year limited warranty
  • Microprocessor based controls
  • Automatic self-test feature for UPS function and battery management check
  • Flexible batteries back-up expansion capabilities
  • Overload protection in normal and battery modes
  • Batteries may be replaced by user
  • Sturdy, reliable all metal DIN rail mounting connector


  • Amusement park equipment
  • Automation process control
  • Computer-based control systems
  • Control rooms
  • Conveying equipment
  • DeviceNetTM
  • Industrial/Machine control
  • Material handling
  • Packaging machines
  • Pharmaceutical applications
  • Semiconductor fabrication equipment

SDU AC – A Series DIN Rail UPS

With a wide operating temperature range and unique installation options, SolaHD’s SDU DIN Rail AC – A UPS protects any critical device that requires a battery back-up.

Economical and lightweight, it offers a compact design, easy-to-wire screw terminations, a communication card port and USB connection for monitoring.



  • Remote turn-on and shut-off capabilities
  • Simulated sinewave output
  • Suitable for UL 508 and CSA C22.2 No. 107.1 Industrial Control Equipment Applications with no VA derating
  • Two-year limited warranty
  • Wide operating temperature range (0 to +50°C)


  • Computer-based control systems
  • Conveying equipment
  • Factory automation
  • Programmable logic controllers (PLC)
  • Robotics

Tripp Lite

Tripp Lite is a manufacturer of solutions to power, connect, secure and protect equipment for IT environments. From the largest data center to the smallest home office, Tripp Lite products keep your equipment running effectively and efficiently. Outstanding reliability, competitive pricing and exceptional service have been Tripp Lite trademarks for over 95 years.

Superior Electric

When you need high-quality, high-reliability voltage or power control and conditioning products, don’t make concessions. Superior Electric is your choice.

Our products and engineered solutions are among the finest in the world.

Superior Electric POWERSTAT® Variable Transformers are used across the world in countless critical applications/installations, while our STABILINE® Voltage Regulators and SUPERCON® Electrical Connecters continue to be the industry standard for users.


Power quality problems can disrupt production, damage equipment and corrupt valuable data. SolaHD total power quality solutions keep production lines moving while keeping people, equipment and information safe. Prevent the costly effects of poor power quality with  our comprehensive line of products that convert, protect and back up power throughout production facilities. If it needs power, it needs SolaHD.


Altech Corporation, established in 1984, is a United States based supplier specializing in electrical, electronic & electromechanical components for the industrial automation industry. Altech’s product line meets a list of diverse national and international standards such as  UL, NEC, CSA, IEC, VDE and more. Altech provides superior customer service and delivery through Total Quality Management and Continuous Process Improvement, ISO 9001:2008 certified.