Bonitron M3345CBM Common Bus Module | 615-244-2825

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M3402R - Drive Logic Interface

- Prevents circulating currents in parallel bridges -

The Bonitron M3345CBM is designed to offer system integrators a low cost solution for providing either line regeneration or dynamic braking for multiple drives.
Traditionally, integrators have provided a common DC bus for the drives and regenerated energy. This required the drives to be connected to a common bus power supply. The M3345CBM provides blocking diodes that isolate the drives from each other while still establishing a shared common DC bus which eliminates the problems encountered with older approaches.

Two applications ideal for regen sharing:

Several drives, each producing a small amount of regenerated energy and sharing a line regen module large enough to handle the sum total amount of regenerated energy.
Multiple drive applications which have regeneration occurring on only one drive at a time.
Applications involving more than 200 Amps of regen should be reviewed with Bonitron engineering.

Product Resources

Features

One module can be configured for a wide range of ratings and VFD configurations
3 - 100 Horsepower, 10 - 200 Amps DC
Branch fusing is included
Parallel modules for additional branches
Isolation of multiple connected drives through diodes

Advantages

Allows the use of one Ride-Thru, Braking, or Regen module with multiple drives
Eliminates the need for common bus configuration
Low installation costs
Compatible with most variable frequency drives
Simple connectivity
Drives are individually isolated and protected

Benefits

Saves space and cost by using one Bonitron module with multiple drives
Easy retrofits for non-common bused applications with multiple drives
Diode isolation protects individual drives
Easy retrofits and initial installations
Allows for quick, uncomplicated installation to maximize production uptime