North Carolina South Carolina Maryland West Virginia


A global leader in the field of power supply interfacing. With international agencies all around the world and six international offices, BLOCK successfully supplies international markets with Transformers, reactors, EMC filters and switched mode Power supplies. BLOCK brings together research, development and production under one roof. From coiled goods, right up to electronic switched mode Power supplies, software development and cast resin optimization, our company’s genes flow into every single wire. In Verden, plastic parts are cast, sheet metal punched and machined, PCBs equipped and large Transformers wound, tested, inspected and EMC certified.

Standard and Custom Control Power Transformers

  • Class 2 Transformers
  • 50-2500 VA Transformers
  • Inputs 240v x 480v or 60v
  • Outputs 24 and 120v
  • Class B insulation
  • Fused and Non-Fused Versions
  • Finger Safe
  • Efficiency up to 95%
  • IP 00 Protection
  • UR Listed

Line Reactors

  • Single and Three Phase
  • Use as line reactor, commutating reactor
    or PFC reactor
  • Power harmonic damping
  • Starting current limitation
  • IP 00 Protection
  • UR Listed

Trapp Industrial Sales Engineers have the experience and the training to help you with all of your Block product line applications.

Please visit the “Meet our Reps” page to find your local contact.