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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.
SEC SPECIFICATIONS FOR SMART MV AUTO-RECLOSER
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SEC SPECIFICATIONS FOR SMART MV AUTO-RECLOSER
Others English
PDF
This PDF is Saudi Electricity Company utility‑grade technical specification for pole‑mounted smart medium‑voltage auto‑recloser, for EPC contractors, bidders and design‑institutes for tender response, technical gap‑analysis and pre‑award evaluation. The pole‑mounted auto‑recloser complies with IEC 62271‑100, IEEE C37.60, IEC 60870‑5, IEC 61850 and SEC local project requirements.Key ratings cover 13.8‑36 kV, 560A continuous current, 12kA 3‑second short‑time withstand & breaking capacity, adju
RSP specification for mv smart line sectionalizer
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RSP specification for mv smart line sectionalizer
Others English
PDF
This PDF is SEC’s utility‑grade technical specification for pole‑mounted smart line sectionalizer, for EPCs, bidders and design institutes for tender submission, gap analysis and pre‑award review. It follows IEC 62271‑103, ANSI C37.63, IEC 60870‑5, IEC 61850 and SEC requirements. Ratings: 13.8‑36 kV, 400A continuous current, 10kA‑3s short‑time withstand; adjustable 16‑640A phase‑fault, 3.5‑320A earth‑fault, 1‑3 configurable trip counts. Equipped with vacuum/SF6 interruption, sealed stainless‑ste
SEC Specifications for 13.8‑33‑34.5 kV Ring Main Unit‑SRMU
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SEC Specifications for 13.8‑33‑34.5 kV Ring Main Unit‑SRMU
Technical Specifications English
PDF
This SEC‑issued utility technical specification serves EPC contractors, bidders and design institutes for tender response, technical gap analysis and pre‑award evaluation. It defines construction requirements, dual‑language marking rules and diverse test regimes in accordance with prevailing IEC and SEC local standards. It stipulates warranty obligations, spare‑part supply, site‑commissioning training and complete tender‑submission deliverables. Custom‑accessory adaptation and project‑specific F
SEC Specifications for 11‑33 kV MV Special‑Use Smart RMU
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SEC Specifications for 11‑33 kV MV Special‑Use Smart RMU
Technical Specifications English
PDF
This document is SEC’s utility‑grade procurement specification for outdoor smart switchgear, aimed at EPCs, tenderers and design institutes for tender response and pre‑award review. It references prevailing IEC series standards plus SEC local project requirements, defines mechanical construction, interlock rules, sensor configuration, cyber‑security mechanism, bilingual marking, witness‑testing rules, warranty terms and full bid‑phase document deliverables. It supports customised layout, auxilia
ESKOM Distribution materials specification for 3.3 to 33kV ring mian units
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ESKOM Distribution materials specification for 3.3 to 33kV ring mian units
Technical Specifications English
PDF
This is Eskom’s utility‑grade procurement specification for factory‑assembled metal‑enclosed ring‑main‑units, targeting EPCs, tenderers and design institutes for tender response and pre‑award evaluation. It references prevailing SANS and IEC standards, defines mechanical construction, protection‑relay functional matrix, remote‑control logic, anti‑corrosion grades, cabinet marking rules, type / routine / witness‑test requirements, tender deliverables and acceptance clauses. It covers both inland
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