Designed for fire and access control applications that require control of the power supply output.A typical example being where a TR or TRS power supply unit is used is to power door retainers, with a link to the fire panel in order to switch off the output to the doors in the event of a fire alarm activation.The units have an expanded 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.Approvals & CertificationBS 7273 Compliant
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