Explore Rockwill’s centralized resource hub for critical technical documentation and industry knowledge. We provide downloadable white papers on smart grid trends, fault detection technologies, and energy transition strategies — ideal for engineers, project planners, and utility operators.
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LZZBJ CT current transformer
Catalogue
English
PDF
ROCKWILL current transformers comply with IEC 60044‑1:2003 (superseded by the current edition IEC 61869‑2) and GB 1208‑2006. The product portfolio includes indoor split‑core type and outdoor post‑type with epoxy‑resin casting construction. Multi‑secondary‑winding and multi‑accuracy‑class combinations such as 0.2S/0.5/10P are supported. Designed for 50/60 Hz systems, they are suitable for ring main units, C‑GIS and outdoor substations.
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JDZ(X) PT voltage transformer
Catalogue
English
PDF
ROCKWILL voltage transformers comply with IEC 60044‑2:2003 (superseded by current IEC 61869‑3) and GB 1207‑2006. Portfolio includes indoor & outdoor epoxy‑cast single‑phase types, with optional residual‑voltage windings, multi‑accuracy‑grade combinations(0.2/0.5/6P), for 50/60 Hz, suitable for RMU, C‑GIS and outdoor substations.
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RVR-1 Single Phase Automatic Voltage Regulator 6kV-34.5kV
Catalogue
English
PDF
ROCKWILL RVR‑1 complies with IEC 60076‑21:2018, also meets IEEE C57.15, C57.12.00‑2015 standards. It is oil‑immersed fully‑sealed single‑phase regulator with 32‑step on‑load tap‑changer, maintenance‑free design, SEL‑2431 intelligent controller, pole‑mount / substation pad‑mount installation options.
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H59 HV/LV distribution transformer
Catalogue
English
PDF
This catalog introduces the H59 HV/LV distribution transformer, covering its core specifications and performance features.It provides detailed technical data to support your product selection and engineering design.H59 HV/LV distribution transformer is hermetically sealed oil immersed ONAN transformer complying with IEC 60076 and NF C52-112. It adopts top HV/LV bushing structure, copper winding and CRGO core. Rated capacity ranges from 25kVA to 2500kVA, high voltage up to 33kV. Mainly installed
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H61 HV/LV distribution transformer
Catalogue
English
PDF
This catalog covers full specifications and features of the H61 HV/LV distribution transformer.It provides key technical data for your selection and application reference.H61 HV/LV distribution transformer is hermetically sealed oil immersed ONAN transformer complying with IEC 60076 and NF C52-112. It adopts top HV bushings and side LV bushings, copper winding and CRGO core. Rated capacity ranges from 25kVA to 2000kVA, high voltage up to 33kV. It is specially designed for outdoor pole or ground
