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Access Rockwill’s comprehensive library of technical resources — including white papers, product manuals, installation guides, and certification documents. Download expert insights and operational support for power systems, EV charging, and smart grid solutions.

Access Rockwill’s comprehensive library of technical resources — including white papers, product manuals, installation guides, and certification documents. Download expert insights and operational support for power systems, EV charging, and smart grid solutions.

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.
2026 East Africa Coastal Power Equipment Salt Spray Protection Manual
Restricted.
2026 East Africa Coastal Power Equipment Salt Spray Protection Manual
Operating Instruction English
PDF
This PDF technical white‑paper analyses high field‑failure rates of 33kV load‑break switches and reclosers under ISO 12944‑5:2019 C5‑M very‑high marine‑atmosphere conditions across East‑African coastal regions. It references TANESCO S23A / S51 utility specifications, IEC 62271‑111:2019, IEEE C37.60, ASTM B117 and ISO 1461:2022 hot‑dip galvanizing requirements. The document compares performance gaps between conventional NBR nitrile seals and upgraded EPDM sealing material, introduces hydrophobic
Technical Specification for Outdoor 33kV Switchgear
Public.
Technical Specification for Outdoor 33kV Switchgear
Technical Specifications English
PDF
This PDF technical‑specification document defines technical requirements for outdoor ground‑mounted overhead‑connected medium‑voltage switchgear, used for tender specification drafting, supplier qualification evaluation and project technical review. The equipment shall comply with ENA TS 41‑36 Issue 3, together with referenced BS‑EN standards including BS EN 60137:2017, BS 7671:2018+A4:2026, BS EN 60529:1992, BS EN 50522:2010 and BS EN 61936‑1. This specification specifies non‑oil insulation‑int
Indoor Eco‑Friendly Pure Dry Air Insulated Ring Main Unit 12kV Flyer
Public.
Indoor Eco‑Friendly Pure Dry Air Insulated Ring Main Unit 12kV Flyer
Brochure English
PDF
This PDF product flyer is used for tender comparison, distribution‑network project selection and pre‑sales technical evaluation. The equipment complies with IEC 62271‑200  for metal‑enclosed switchgear and meets EU F‑gas regulatory requirements. Adopting pure dry‑air insulation with zero‑GHG emissions, this fully‑sealed cabinet reaches IP67 for gas tank and IP41 for whole panel, features ultra‑low annual gas leakage ≤0.05% and partial discharge ≤10 pC at 1.1Ur.This datasheet records gas‑moisture
Advanced oil‑free Dry‑Type DC Capacitors Flyer
Public.
Advanced oil‑free Dry‑Type DC Capacitors Flyer
Brochure English
PDF
This PDF product flyer serves for component selection, power‑electronic project evaluation and tender reference. The capacitor complies with IEC 61071, the valid international standard for power‑electronic capacitors.It adopts self‑healing metallized polypropylene dielectric and polyurethane resin oil‑free filling with zero‑liquid‑leakage risk, featuring gradual capacity degradation under fault conditions, failure rate below 50 FIT and service life exceeding 345 000 hours. This datasheet records
Outdoor Pole Mounted Automatic Circuit Recloser 40.5kV Flyer
Public.
Outdoor Pole Mounted Automatic Circuit Recloser 40.5kV Flyer
Brochure English
PDF
This PDF product flyer is intended for tender comparison, overhead‑line project selection and pre‑sales technical evaluation. The equipment follows IEC 62271‑1 common specifications for high‑voltage switchgear, and complies with relevant EU environmental‑protection requirements for greenhouse‑gas control. This datasheet adopts eco‑friendly vacuum interruption with zero‑GHG emission, fully‑sealed maintenance‑free construction for harsh outdoor conditions, compact pole‑mounted modular layout suppo
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