Pioneer in producing battery and generator test devices
Various types of AC & DC load banks in different capacities






















Choose a product family first, then compare available series and power ratings without scanning unrelated cards.
Key PDL, SEL and AC load-bank series up to 500 kW
Key series
Key series
Key series
Key series
Industrial chargers and the NPS/NSR family with variable NPS-V and fixed NPS-F
Key series
Specialist electrolyte, surge arresters and industrial components
Niawell Design and Engineering Company currently specializes in AC/DC load banks and industrial chargers. Formerly known as Shiraz Electromagnet and the RASA brand, the company continues to design and manufacture rectifiers, power supplies and industrial electrical equipment, with today’s main focus on load banks and charging systems.
Chargers, rectifiers and power supplies now share one path, while surge arresters are grouped under industrial parts.
Key PDL, SEL and AC load-bank series up to 500 kW
9 available modelsIndustrial chargers and the NPS/NSR family with variable NPS-V and fixed NPS-F
9 available modelsSpecialist electrolyte, surge arresters and industrial components
2 available modelsQuick answers to common questions about products, orders and technical support.
Review power, voltage, current and operating conditions with our engineering team.