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The new Elmdene TRS range of power supplies has been specifically designed for access control applications that require remote control of the power supply output. A typical example being where a TRS power supply unit is used to power magnetic door retainers; utilising a signal from the fire panel in order to switch off the output to the doors in the event of a fire alarm activation.
The TRS PSU has a range of input options which includes the detection of a normally closed contact going open and also removal of a 24V dc signal to provide a fully fail safe operation mode (BS 7273 Compliant).
The three control input options for remote control of the output are as follows:
LED status indicators provide quick diagnostics showing the presence of a mains input and output fuse failure.
The products use energy efficient switch mode technology and have a universal mains supply input (90-264V ac).
