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MainsPro

Mains Decoupling Relay
Order code: MAINSPRO
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Product description

MainsPro is a protection relay for parallel-to-mains applications, including generator sets, cogeneration units, micro turbines or renewable energy sources such as photovoltaic plants or wind turbines. It provides adjustable voltage, frequency and loss of mains protections to safeguard both the distribution network and the generators.

Key features

  • Wide power supply and measurement range 
  • Friendly interface with easy setting (no SW tools needed)
  • Simple wiring with detachable connectors
  • Remote binary communication
  • Suitable for standard DIN rail installation or door-mount (optional)
  • Advanced frequency, voltage and loss of mains protections
  • History track (last 5 events)
  • Integrated mechanical lock to secure your setting
  • Breaker failure protection and watchdog 
  • Resistance to frequency jumps
  • Compliance with IEC 60255, G83, G59/3, UL508, CEI 0-21, IEn NR 005/2012, VDE V 0126-1-1 and VDE-AR-N 4105

MainsPro is a 100% replacement for the successful product NPU-FUV.

ComAp Americas
ComAp Americas +1 815 636 2541 info.us@comap-control.com Contact details
Flexibility Modular construction and PLC functions inside controllers.
Reliability Manufactured in Europe, in compliance with industrial standards
Easy to Use Easy controllers installation and operation

Recommended by our customers

“TEDOM has been using ComAp mains decoupling relays for over 10 years – installing over 1500 units during this time on both new projects and upgrading older installations. MainsPro was first used immediately after the product release as a replacement for the NPU protection unit that we used before. Typical uses for MainsPro include switchboards of cogeneration units and gen-sets operating in parallel with the public distribution network. MainsPro accurately measures and evaluates the essential mains parameters, and provides reliable mains-decoupling protection. It also brings added benefits including excellent usability, possibility of mechanical sealing, a wider range of features and the ability to switch two-set settings via an external contact”

Petr Sedlák Electrical Department Manager

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Your local contact in USA


ComAp Americas
+1 815 636 2541
Contact details All distributors
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