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Notes for operation of Auto Recloser Controller

Matching with 10kV to 38kV pole-mounted vacuum auto reclosers for urban, suburban and rural overhead distribution networks. It is widely used in long-distance feeder sectionalizing protection, renewable energy grid-connection distribution lines, rural gri

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Updated2026.09

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Notes for operationAuto Recloser Controller

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This video shows some common issues you might meet in using outdoor medium voltage recloser controller. Including run out of battery, over frequent operation and invalid grounding. If you meet any other issues, please contact us for technical support.

ROCKWILL Auto Recloser Controller is a dedicated intelligent outdoor protection and control device developed for medium voltage vacuum automatic reclosers in overhead distribution networks. It integrates high-precision signal acquisition, configurable overcurrent and earth fault protection logic, multi-shot auto-reclose sequence control, fault recording and data statistics functions. The controller supports local parameter setting, manual switching operation and remote SCADA communication, realizing intelligent fault judgment, rapid isolation and automatic power restoration for distribution lines. The product complies with IEC 60255-1:2018, IEC 60255-21:2020 and IEC 62271-111:2019 standards. Relevant documents include Type Test Certificate No. TT-2025-04176, Witness Test Report No. WT-2025-09109, Routine Factory Test Report No. FT-2025 series, Raw Material Mill Certificates, all issued by CNAS accredited independent test laboratory and available for tender submission, utility review and project site acceptance. Adopting IP65 tropicalised anti-corrosion and anti-UV design, the controller adapts to high humidity, heavy rainfall and coastal salt mist outdoor environments for long-term stable operation.

Frequently asked questions

How to select current sensor or current transformer specifications for Rockwill Smart Recloser?

The Rockwill standard smart recloser offers high precision with a wide measuring range (2A–16,000A). Simply ensure your normal current is within this standard range when making a selection.

Does Rockwell Energy offer an MV Smart Auto Recloser capable of measuring primary currents as low as 0.1A?

Yes. In addition to the standard 2A–16,000A range, Rockwell Energy provides custom-configured units for ultra-low current measurement and protection in the 0.1A–2A range.

What is the core function of the Auto Recloser Controller?

The Auto Recloser Controller provides full protection and control functions for matched vacuum reclosers, including phase overcurrent protection, earth fault protection, programmable multi-shot auto-reclose logic, fault recording and event logging, realizing automatic fault isolation and power restoration for overhead lines.

What international standards and certification does the Auto Recloser Controller comply with?

The Auto Recloser Controller is designed and tested in accordance with IEC 60255-1:2018, IEC 60255-21:2020 and IEC 62271-111:2019 standards. It is supported by complete Type Test Certificate No. TT-2025-04176, Witness Test Report No. WT-2025-09109, factory test reports and material certificates for project review and acceptance.

What communication functions does the Auto Recloser Controller support?

The Auto Recloser Controller is equipped with standard communication interfaces, supporting Modbus, DNP3 and IEC 60870-5-104 protocols. It can upload real-time operating status, fault information and electrical parameters to the distribution automation SCADA system for remote monitoring and control.

What environmental conditions can the Auto Recloser Controller adapt to?

The Auto Recloser Controller adopts IP65 tropicalised enclosure with anti-UV and anti-corrosion treatment, which can operate stably in high temperature, high humidity, heavy rain and coastal salt mist harsh outdoor environments.

What daily operation and maintenance notes apply to the Auto Recloser Controller?

During daily operation, regularly check the wiring firmness, waterproof and dustproof performance of the controller enclosure. Keep the communication module working normally, regularly export fault records, and calibrate protection parameters according to grid operation conditions to ensure long-term reliable operation of the equipment.

RW Energy

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100-500 2013 China

Zhejiang Rockwell Energy Technology Co., Ltd. is an international enterprise specializing in the research, development and manufacturing of recloser controllers, power quality management, power monitoring systems and other high-end power equipment. In today's critical period of global energy transition and power system upgrading, the company has gathered a group of top talents in the fields of power engineering, automation control, software development, etc., who carry the enthusiasm and persistence for the power business, and are committed to overcoming the complex problems in the power system, and promoting the intelligent development of the power industry with innovative technology. Mission: To make global electricity smarter, more reliable and more efficient with innovative technology. Vision: To be the leader in global power intelligence.

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Notes for operation of Auto Recloser Controller

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