RELAY LINE-UP SOLAR ENERGY SYSTEMS Page 2 of 7 Fujitsu Components Relay Product Line-up Solar Energy Systems Solar energy systems Relays Fujitsu Components recognizes the value and … … importance of protecting the global environment and strives to contribute to the creation of a sustainable environment for future generations. Not only does Fujitsu endeavours to reduce the environmental impact of the products throughout the product lifecycle, but also designs its products for integration in environment improving appliances.

RELAY LINE-UP SOLAR ENERGY SYSTEMS Page 2 of 7 Fujitsu Components Relay Product Line-up Solar Energy Systems Solar energy systems Relays Fujitsu Components recognizes the value and importance of protecting the global environment and strives to contribute to the creation of a sustainable environment for future generations. Not only does Fujitsu endeavours to reduce the environmental impact of the products throughout the product lifecycle, but also designs its products for integration in environment improving appliances. Fujitsu Components’ product range contains power relays that are highly recommended to be used in solar energy systems. With its current relay product range Fujitsu Components Europe has the opportunity to provide multiple solutions for solar energy systems. Fujitsu’s solar relays have two target functions within the solar converter. The DC relays, to switch on/off the DC voltage generated by the solar panel, and the AC relays with big contact gap, to switch on/off the provision of the generated electricity to the power grid. This guide gives an overview of Fujitsu’s relay product line up applicable for solar energy systems and its key features. RELAY LINE-UP DC POWER RELAYS - FTR-J2 Page 3 of 7 Fujitsu Components Relay Product Line-up Solar Energy Systems FTR-J2 Ultra small high voltage DC relay The FTR-J2 is one of Fujitsu’s DC relays suitable to be integrated in the solar converter to switch on/cut off the DC voltage and current generated by the solar panel. The FTR-J2 relay is capable of switching 450V DC, 10A. Although the relay’s capability to switch these high voltages, the relay dimensions are relatively small, the relay measures just 24mm(L)x 23.5mm(W)x27 mm(H). To be able to switch high DC voltages in these small dimensions, Fujitsu has designed two strong permanent magnets in the relay. This magnetic provision is installed to extinguish the severe breaking arc. These two magnets ensure the safety of the relay. The FTR-J2 is the powerful, compact and reliable solution for solar appliances that need to switch high DC voltage. The FTR-J2 is a 2 Form A relay that can be used in two different configurations. It can be used in a circuit with a configuration of switching 2×200VDC and with a configuration of switching 1×450VDC. The FTR-J2 can handle an inrush current of 150A (capacitive load). It offers high insulation between contacts and coil with an insulation distance of clearance/creepage > 6mm, a dielectric strength of 4,000VAC and 10,000V surge strength. Application examples • Solar systems • Battery powered equipment • UPS • Wireless base stations • Fuel Cells

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