Mitsubishi Inverter/Frequency Converter FR-S540E-3.7K FR-F700 Series: The frequency inverters of the FR-F700 series are a modern and intelligent drive solution that can easily be integrated into complex modern building services automation systems. The FR-F700 frequency inverter drives are particularly well suited for driving pumps and fans and for applications with reduced overloads, such as air-conditioning systems in building services and industry, ventilation and air extractions systems, drains systems, ground water pumps and heat pumps. FR-S540E-0.4K-CHT FR-S540E-0.75K-CHT FR-S540E-1.5K-CHT FR-S540E-2.2K-CHT FR-S540E-3.7K-CHT We have a large quantity in stock. We can provide the product to customers on time. Your satisfaction is our external pursuit. Hope we can establishi long business relations in the furture business.