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Download | PeRfeCT BalanCe WiTH 100 % ReDunDanCy
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M B R e d u n da ncy Ba l a nc e w | Perfect Balance With 100 % Redundancy Having 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. For example: if the required load current is 10 A, this cabinet component ensures that both units supply 5 A. If one of the two power supply units fails, the other can continue to work because it is decoupled. The only condition is that each unit is in the position to supply the nominal current of the load. 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. Highlights 50:50 Auto Balancing Signal contact for each input MB Redundancy Balance ensures equal loads on both power supply units Power Supply 24 V/10 A LEDs for channel-specific status indication Very low power loss Bridging system combines several modules or connects to MICO, the electrical load circuit monitoring module Iin1 = 5 A Iout = 10 A Spring clamp connections Wide temperature range Iin2 = 5 A -25…+60 °C Power Supply 24 V/10 A The information in this brochure has been compiled with the utmost care. Liability for the correctness, completeness and topicality of the information is restricted to gross negligence. Art. No. 9871017 ÔÔ www.murrelektronik.com COMPACT Highly Efficient Due to the innovative technology based on MOSFET, the energy consumption is up to 87 % less than those of conventional diode modules. ENERGY SAVING 50:50 Auto Balancing MB Redundancy Balance automatically ensures that each unit supplies half the current load. Because the power supply units aren't under as much stress, their lifetime increases. EASY TO CONNECT With the integrated bridging system, MB Redundancy Balance can be directly combined with the electronic load circuit control module MICO, without requiring wiring work. Ordering data Art. No. 24 V DC/2x20 A (SELV/PELV) 85496 Input Input voltage 24 V DC Voltage range 21…30 V DC Nominal current 2 x 20 A Total current max. 40 A Polarity internal reverse polarity protection up to 60 V DC Output Output voltage 24 V DC Voltage range 21…30 V DC Nominal output current 40 A (-25…+60 °C) Overload at 20 A + 50 % for 4 sec. Status indicator 1 LED per channel Alarm output relay contact 1 potential-free alarm output per channel General data Mounting method spring clamp terminals Standards EN 61000-6-2, EN 61000-6-3 Bridging on both sides, with spring clamp terminals or bridge set (max. 40 A) Relative humidity 5…95 % Efficiency > 98 % The information in this brochure has been compiled with the utmost care. Liability for the correctness, completeness and topicality of the information is restricted to gross negligence. ÔÔ www.murrelektronik.com