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DC Backup Systems

The Bassi DC Backup Chargers / Rectifiers of the ASR series are robust and reliable, designed to supply critical DC loads and to charge any type of battery. This product is the result of 40 years of experience in design and production of Power Source Equipment.
The ASR is based on standardized SCR and IGBT power conversion systems to provide superior reliability and efficiency at a competitive price.
These systems are available in different types of enclosures, with protection ratings up to IP54 or NEMA 3R. The control boards are based on microprocessors of the latest generation, equipped with alphanumeric and mimic display panels, integrated data-loggers and a complete set
of connectivity options (RS-232, RS-485, USB, CANBUS, Wireless).
These ASR chargers can be equipped with a wide set of optional features, such as breakers, distribution panels, remote communication and alarm systems and dropping diodes.
A team of designers and field-application engineers is dedicated to support our Customers if they have special requirements.  This type of support makes Bassi a unique partner for demanding Customers and mission critical applications.

Typical Applications

  • Oil & Gas and Petrochemical plants
  • Power Stations and Substations
  • Water Treatment plants
  • Manufacturing plants
  • Transportation
Main Features
  • Robust and reliable layout for industrial applications
  • Standard configurations for cost effective, short lead time solutions
  • Microprocessor control
  • Complete set of battery charging methods, with battery voltage/temperature compensation
  • Extensive range of options and customized solutions
  • Easy access and maintenance
  • Output Blocking diode for parallel operation
  • Battery breaker
  • Battery on racks or inside cabinets
  • Earth fault monitoring and alarm
  • Fan monitoring and alarm
  • Remote relay alarms
  • Advanced connectivity solutions: Serial Ports: RS232/RS485, USB, MODBUS, CANBUS, Wireless interfaces (IEEE 802.11 and ZigBee)
  • WEB Based remote control and management system (
  • Redundant supply for control boards
  • Enclosure type IP54