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HDPA-830 microcomputer PT switching and low-voltage protector |
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The HDPA-830 series microcomputer PT switching and low-voltage protector applies to the PT switching in the sectional wiring mode of double or single buses with avoltage rating of 35kV and below.
1.PT switching 2.Under-voltage protection 3.VT failure monitoring(failure detection) 4.Insulation monitoring 5.Fault memory and display 6.Network interface Ordering instructions Provide the following upon ordering: 1. Name, model and quantity of the device. Please specify any special requirement differs from our standard product. 2. Voltage class. The operating power supply for any device is intended for both AC and DC purposes, with 110V and 220V inputs; the 220V version will be provided unless otherwise specified. 3. Communication port: The device standard communication configure is a single 485. If needs dual RS485 network which shall be specified. 4. Ratings of key parameters For a protector, provide the nominal rated current (1Aor5A) For a device with the zero sequence current protection function in a low-current ground system, provide the rated zero sequence current (0.2Aor0.02A) 5. Term and place of delivery, means of transport 6. Other terms shall be negotiated. |
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