ON.1 is a next-generation medium voltage switchgear designed for primary distribution networks, combining vacuum switching technology and dry air insulation to ensure high reliability, operational safety and environmental sustainability.
Developed on KONČAR’s extensive experience in switchgear engineering, ON.1 provides a robust and flexible platform suitable for modern distribution systems with increasing demands on performance, safety and lifecycle cost efficiency.
Key features and benefits:
- Vacuum switching technology – proven arc extinction with high electrical endurance (class E2)
- Dry air insulation – environmentally friendly solution with no SF₆
- Enhanced operational safety – internal arc classification up to IAC AFLR 31.5 kA, 1s
- Modular and flexible design – adaptable configurations for various primary distribution applications
- Maintenance-free live parts – sealed system with minimal servicing requirements
- High reliability in harsh environments – insensitive to dust, humidity and pollution
- Long service life – designed for >30 years of operation
- Compact footprint – optimized dimensions for indoor installations