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HRD-300 |
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HRD-300 cut-off switch controller is the ideal equipment to solve the problems. It is with ZW8, ZW20, ZW32 and other outdoor column switch, users responsibility to install and T demarcation point contact grid can automatically isolate the single-phase ground fault and phase fault, only the fault of regional power, greatly reducing the power area, and with fault initiative upload function, can quickly and accurately determine the point of failure, easy maintenance, shorter outage time, thereby reducing economic losses due to failure.
Facing the problem of distribution network: 1¡¢ After main lines improved, the fault branch increased significantly; 2¡¢ For fault on the feeder and affected the whole feeder outages, and responsibility is not clear; 3¡¢ The fault point is difficult to confirm, inconvenient maintenance.
HRD-300 boundary switch controller is the ideal equipment to solve the above problem. It cooperates with ZW8, ZW20, ZW32 and other outdoor column switch, installed on the demarcation point for user responsibility at the T junction power-grid ,can automatically isolate single-phase grounding fault and phase to phase short circuit fault, Only the fault branch is off. greatly reduce the outage area, and with the active fault upload function, can quickly and accurately determine the fault point, convenient maintenance, reduce outage time, thereby reducing the economic loss caused by fault.
a) controllers are independent waterproof seal, the cylindrical structure, microprocessor-based relay protection and monitoring devices;
b) weather closed box, has a good waterproof, windproof, moisture-proof function; c) be connected via air connectors and multi-core control cable and the switch body, the connection reliability, high degree of protection. |
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