MML204 Ground Fault Supply Unit for SAGx, 24VDC Systems
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DC GROUND FAULT MONITOR FOR GROUNDED DC NETWORKS
Ground Fault Supply Unit
An ISOPAK2xx system requires one common Sensor Controller MML204, which provides an excitation/reference signal to each of the system’s total of 24 AG-sensors. MML204 also controls the leakage current polarity detection, an important feature for fault finding and preventive maintenance. ISOPAK200 will alternately measure leakage current from positive or negative pole for intervals of preset duration.
The POS LED lamp on ISOPAK2xx is lit during monitoring of the POSITIVE pole. The NEG LED lamp is lit during monitoring of the NEGATIVE pole. In order to detect the polarity of the earth fault in each of multiple separate DC supply networks. The MML204 can receive voltage input from a total of 4 DC networks. MML204 units can be parallelled for higher number of DC networks. The MML204 is rated to withstand an enduring single pole full grounding. MML204 automatically configures ISOPAK2xx to operate in either a FLOATING (fully isolated), a POSITIVE pole grounded or a NEGATIVE pole grounded DC network.
|Weight ||2 lbs |
|Dimensions ||9 × 9 × 9 in |