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Tel：0756-2251627 Fax：0756-8595799 Email：hero@zh-hero.com Code：519000
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HRD-100A3 type microprocessor based PT switching and monitoring device |
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HRD-100A3 type microprocessor based PT switching and monitoring device applies to PT switching and monitoring of double bus or single bus parent segment main wiring mode in 110kv and below level power system. The device can meet the requirements of PT N phase grounding, B phase grounding and wiring V-V. Protection Function 1、PT switching 2、Under-voltage of one section bus 3、Insulation monitor (grounding alarm) of one section bus 4、PT break supervision of one section bus 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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