Our work is centred on the complete power chain — not just individual devices. Reliable power transfer supports continuity, high-performance electrical connections improve safety and efficiency, and power quality solutions address harmonics, reactive power and voltage quality.
This joined-up approach helps customers build power systems that are more stable and resilient, with products that can work alongside monitoring, communication and control systems where required.
See how we create valueFrom product selection to integration guidance and technical training, we focus on helping customers select and apply power products in the context of their wider electrical systems.
Our range is built around intelligent transfer controllers, with power quality as the next direction — addressing reactive power, harmonics and voltage sags.
The product status labels below follow the company profile supplied for this website.
Microprocessor-based automatic transfer controller for medium and low-voltage power systems, with sequential load switching, intelligent load shedding and Modbus RTU communication.
Dual-source ATS control with synchronism checking, supporting both open and closed-transition transfer for mains and generator applications.
SVG, AHF and DVR solutions for reactive-power compensation, harmonic-current mitigation and voltage-sag protection.
The right product is only part of the solution. 3Js supports customers with practical guidance to help products fit the requirements of their power systems.
Discover our brand principlesGuidance to identify products suited to the application and power-system requirements.
Support for bringing products into wider systems, including monitoring, communication and control where required.
Technical training to support product understanding and application readiness.
Our value proposition connects continuity, dependable electrical connections, power quality and system-level integration.
Reliable power transfer technologies help reduce the risk of supply interruption to critical loads.
Standardised, modular power connections support installation efficiency and long-term operating safety.
Products and solutions address harmonics, reactive power, power factor and voltage-quality concerns.
Products can work with monitoring, communications and control systems for intelligent power applications.
To improve power-supply continuity, connection safety and power quality through reliable power technologies and products.
To become a trusted brand for key power-system products and solutions.
Safety · Reliability · Professionalism · Innovation · Efficiency