Intrinsically Safe Power Supply NSB4/x-ia is intended for use in mining applications. It converts an AC supply voltage into a stabilazed and regulated intrinsically safe source for supplying power to approved electronic control devices. NSB4/x-ia provides eight I.S. outputs with different I.S. parametres. NSB4/x-ia also provides 4–20 mA or 0,2–1 mA output signal to monitor battery capacity and potential-free relay to indicate mains fuse failure for each output channel. In the case of power supply failure, automatic battery backup is provided with capacity of 8000 mAh. On the built-in display, we can monitor the status of I.S. outputs (voltage, current consumption) and battery capacity.
Ex marking: I M2(M1) Ex db eb ia [ia Ma] I Mb I M1 Ex db eb ia [ia] mb I Ma
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