Original price was: €666,00.€366,30Current price is: €366,30. + VAT
In stock
In stock
For more information, download the PDF catalog
MBC2K is a microprocessor-controlled device designed for braking motors powered by a DC Bus. It is activated by the overvoltage generated by the motor when a braking operation is required. By connecting the MBC2K to the DC Bus that powers the motor drive (see diagram fig.1), the device automatically activates when the DC Bus voltage exceeds the set threshold and transfers the power generated by the motor to the braking resistor, where it is dissipated.
MBC2K is equipped with protections against short circuits, overload, and overtemperature to ensure reliable operation. It can be connected to any DC power Bus with a voltage between 24 and 100 Vdc. A simplified application is shown in the block diagram in Figure 1, while the front view of the unit with all controls and functions is shown in Figure 2. Up to 4 units can be connected in parallel to increase braking power up to a peak of 8 kW.
MBC2K also features a 7-segment display and an LED for instantaneous DC Bus voltage reading (accuracy ±1V), which is useful during setup and for displaying error messages.
The MBC2K unit must be configured before operation.
The menu consists of 3 pages, navigable by pressing the MENU button; the displayed values can be modified by pressing the SET / RESET button:
Brake activation threshold (VTH)
Hysteresis of the brake activation threshold
Master / Slave mode: select between single module operation (Master mode) or parallel connection of up to 4 modules (1 Master + 3 Slave)
The MBC2K integrates active protections to ensure correct and reliable operation under normal conditions. When a fault is detected, MBC2K shuts down to prevent uncontrolled current from flowing through the braking resistor.
Fault conditions are indicated by the continuously blinking alarm LED. The integrated alarm relay allows the module status to be monitored remotely. To help the user understand which fault has occurred, an error code is displayed on the 7-segment display.
MBC2K allows up to 4 identical units to be connected in parallel to increase braking power up to a peak of 8 kW. Each unit can brake up to 2 kW of peak power, so each unit requires its own braking resistor.
To implement this configuration, MBC2K is equipped with a bus used to synchronize the operation of all connected units (maximum 4 units). The operating principle is based on one MBC2K unit configured as Master and the other MBC2K units (up to 3) configured as Slave.
The Master measures the DC Bus voltage and decides when to insert the braking resistors into the circuit by sending a command over the synchronization bus. When the Slave units connected to the synchronization bus receive the command from the Master, they insert their braking resistor into the circuit. When an MBC2K is configured in Slave mode, all its protection circuits remain fully operational.
SET / RESET: used to clear errors and modify configurations when in setup mode.
MENU: used to enter setup mode and navigate through the different menu pages.
Synchronization Bus Connector: used to connect up to 4 units in parallel.
Braking Resistor Temperature Sensor Connector: used to connect an optional temperature sensor for the braking resistor (Klixson normally closed type recommended; if not used, short-circuit the two terminals).
Remote Alarm Connector: a SPDT contact provides a fault/anomaly signal.
Braking Resistor Connector: used to connect the external braking resistor.
DC Bus Connector: used to connect the MBC2K to the 24–100 Vdc power Bus.
Protective Earth (PE) Connector: used to connect the device to protective grounding.
Hundreds Indicator: used to display values greater than 99; e.g., if the indicator is on and the display shows “03,” the measured value is 103 V.
Braking Indicator: shows that the unit is braking the motor and supplying current to the braking resistor.
7-Segment Display: when the unit is operating, displays the DC Bus voltage (accuracy ±1 V); also used to show menu items and error codes.
“Alarm” LED: indicates a fault or error condition.
Ideal for applications where service continuity is essential: industrial automation, process control, alarm systems, and remote monitoring.
The new range is part of the Easy Power series and represents an advanced solution in the field of industrial power supplies. It is designed for standard applications that require an excellent price/performance ratio, small footprint and high power density, an extended operational temperature range and high energy efficiency.
Discover the latest news from Cabur’s Automation and Control Solutions line!
for technical support
+39 019 58999.219 customercare@cabur.it
for commercial support
+39 019 58999.609 vendite@cabur.it
from monday to friday 8:30-12:30 13:00-17:00
