Multiple Control Unit (2 out of 3) CU-5

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last updated：Dec 09, 2025

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Enhance the reliability of the alarm contact output for the control and shutdown of the seismometer.

Multi-Control Unit (2 out of 3) CU-5 is a device designed to enhance the reliability of alarm contact outputs for control and shutdown of seismometers, featuring a 2 out of 3 circuit for each of the up to 5 alarm levels. In each 2 out of 3 circuit, an alarm signal is output when 2 or more points out of 3 are activated. For more details, please download the catalog or contact us.

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【Features】 ○ A device to enhance the reliability of alarm contact output for controlling and interrupting seismometers. ○ Set 2 out of 3 circuits for each of the maximum 5 alarm levels. ○ An alarm signal is output when 2 or more points out of 3 are input in each 2 out of 3 circuit. 【Specifications】 ○ Alarm output → Maximum 5 levels after 2 out of 3 circuits → Alarm contact output: 3 contacts each ○ Alarm reset: Automatic reset when less than 2 points are input out of 3. ○ Alarm display → Display: Individual display for maximum 5 levels → Reset display: Manual reset (via reset push button switch) ○ Power supply: AC 100V 50/60Hz, 100VA or less ○ Dimensions and weight: W480 × H149 × D300 mm, 16 kg ● For more details, please download the catalog or contact us.