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Service. Experience. Quality.

We pledge customer support and satisfaction. Service is the name of our game. With over 32 years of working in and with the heating industry, BPSR brings an unmatched level of expertise and product quality to your business.

Automotive and Industrial Electrocoating

For Automotive Applications

Spang is the largest supplier of automotive electrocoating rectifier systems in the world, having designed systems for major automotive manufacturers in the U.S. and around the world. In the highly integrated production lines of the automotive industry, the elimination of downtime is critical. Spang electrocoating rectifier systems provide the highest degree of efficiency and reliability. Each rectifier system is designed for maximum reliability and unsurpassed performance with a wide variety of features and options to allow each system to meet the customerís unique requirements including:

  • PLC Integration
  • 12-pulse rectification
  • Individual anode monitoring
  • Remote diagnostic capabilities

For Industrial Applications

Spang designed the ERM series rectifier to deliver regulated, low ripple DC power for industrial electrocoating applications. The ERM series combines the advantages of a custom built system with the economy and field proven reliability of an off-the-shelf unit.


Input Power: 480 volts, 3 phase, 60 hertz. Other input voltages from 120 volts to 23 KV can also be specified.

Output Voltages: From 300 to 700 VDC. Full current rating taps are included at 80%, 64% and 50% of rated voltage.

Output Current: From 150 through 1200 ADC. Higher ratings are available through parallel operation of several rectifiers.

For more information on Automotive and Industrial Electrocoating, please contact us or visit Spang Power Electronics' Automotive and Industrial Electrocoating homepage.