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Perfect balance with 100% redundancyHaving the highest machine availability is an important subject. That's why power supply systems are often redundantly designed, with two power supply units. Murrelektronik's active redundancy module, MB Redundancy Balance, decouples two independent power supply units and generates a redundant 24 V DC control voltage.
MB Redundancy Balance ensures an automatic 50:50 balancing of power between the two units. This means: Both units are under the same demand. Because the power supply units aren't under as much stress individually, their lifetime increases. For example: if the required load current is 10 A, this cabinet component ensures that both units supply 5 A.
MB Redundancy Balance decouples the power supply units that are connected, therefore, if one unit fails, the other can continue supplying power until the problem is fixed. The only condition is that each unit has to be able to supply the nominal load current. Each input has an LED status indicator and with the potential-free signal contacts you can monitor the operation and make sure the two power supply units are balanced. Any failure can be quickly and precisely located.
MB Redundancy Balance is suitable for total currents of up to 40 A (2 x 20A) max. It is connected with maintenance-free spring clamp terminals. The module features internal reverse polarity protection of up to 30 V DC. It is suitable for applications with high temperature fluctuations because of its wide temperature range from -25 to 60 °C.
MB Redundancy Balance operates with an innovative technology based on MOSFET. Depending on the output current and the input voltage difference, the internal consumption of the modules is up to 87% less than with conventional diode modules.
With the integrated bridging system, MB Redundancy Balance can be directly combined with the electronic load circuit control module MICO, without requiring wiring work.
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