With the MTL4016, two switches or proximity detectors located in a hazardous area can each control two safe-area loads. The four safe-area outputs are made through reed relays. It is designed for applications where the status of a sensor needs to be fed to two
separate systems (eg, control and shutdown). Independent phasereversal switches for each channel, located on top of the module, allow alarm signals to be signalled for either state of the sensors. Line
fault detection (LFD) for broken or shorted lines is provided as also are facilities for earth fault detection. Power and switch status is indicated by LEDs located on top of the module.

Power requirement, Vs

– – 50mA at 24V dc

– – 60mA at 20V dc

– – 45mA at 35V dc

Power dissipation within unit

– – 1.2W at 24V

– – 1.6W at 35V

Isolation

250V ac between safe and hazardous area circuits