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.
VD4 MV Vacuum Circuit Breakers
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VD4 MV Vacuum Circuit Breakers
Brochure English
Consulting
The VD4 MV Vacuum Circuit Breaker is a reliable 12–24kV switching solution for medium-voltage grids. It offers 30,000 overhaul-free mechanical operations, a modular spring actuator for easy use, and sealed vacuum interrupters for stable performance in harsh environments (high humidity, dust). Compliant with IEC/ANSI standards, it suits utilities, industrial parks, and renewable energy stations, supporting distribution automation and boosting power supply reliability.
SF6 Insulated 3 Position Load Break Switch
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SF6 Insulated 3 Position Load Break Switch
Brochure English
Consulting
This compact switch integratesload switching, isolation, and earthingin one, using SF6 gas for superior insulation and arc extinction. Ideal for 12kV–40.5kV medium-voltage grids, it features a fully sealed design, ensuring stable operation in harsh environments (high humidity, dust, extreme temperatures). Compliant with IEC/ANSI standards, it supports distribution automation, cuts maintenance costs, and boosts power supply reliability for utilities, industrial parks, and renewable energy s
SF6 Gas-tight and Insulated Metal RMU Switchgear Brochure
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SF6 Gas-tight and Insulated Metal RMU Switchgear Brochure
Brochure English
Consulting
12/24kV SF6 RMU: IEC/ANSI compliant, fully sealed stainless steel tank (IP65) with ≤0.05% annual gas leakage & 30+ year life. Modular design, safety interlocks, harsh-environment resistant—reliable for power distribution systems.
24kV Environmentally Friendly Gas- Insulated Ring Main Unit(RMU) Brochure
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24kV Environmentally Friendly Gas- Insulated Ring Main Unit(RMU) Brochure
Brochure English
Consulting
24kV Eco-friendly Gas-Insulated Ring Main Unit (630A, 20kA) is SF6-free with ≤0.01% annual leakage. Fully customizable (isolation/expansion schemes), IP67, IEC-compliant for green medium-voltage distribution.
24kV SF6 Gas insulated Ring Main Unit (RMU) Brochure
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24kV SF6 Gas insulated Ring Main Unit (RMU) Brochure
Brochure English
Consulting
24kV SF6 Gas-Insulated Ring Main Unit (1250A, 25kA) delivers top performance: IP67, ≤0.01% annual leakage, 10k-cycle life. Fully customizable (isolation/expansion), IEC-compliant for medium-voltage distribution.
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