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Again this year Schaltbau GmbH will be at the Intersolar in Munich (13 to 15 June), showcasing its state-of-the-art DC contactors and snap-action switches with positive opening feature as well as its range of connectors. These products are widely used in photovoltaic applications, in wind turbines and battery storage systems. The contactors disconnect the solar field from the inverter on the DC side as main or pre-charging contactors and handle currents from 50 to 1,000 amperes as well as voltages from 1,000 to 3,000 volts. Further information is available directly at our stand in hall C4.451.
The CU series of solar contactors made by Schaltbau is the first to fulfil the European standard EN 60947-3 (tab. 9 "switch-disconnector with fuses") and is UL-approved. These twin-pole contactors extinguish electric arcs extremely quickly, minimising wear on the contacts, making them very long-lasting components. The contactors have a mechanical working life of two million operating cycles and an electrical working life of several tens of thousands of operating cycles, depending on load. Schaltbau's CU contactors switch voltages of up to 1.5 or 3 kV and are suitable for currents of up to 1,000 amperes. Apart from having a considerably extended working life, they are also capable of switching significantly higher voltages than manual switch-disconnectors. The maintenance-free contactors can be optionally equipped with an economy circuit that minimises their power consumption. The small type C294 and C295 solar contactors are used in various pre-charging applications for lower voltages (up to 1 kV).
The range of products on display will be supplemented by connectors and snap-action switches. The charging connectors of the LV series are used in battery storage systems. The snap-action switches with positive opening operation in accordance with IEC 60947-5-1, appendix K, are, for example, used as limit switches in actuators for photovoltaic tracking systems. They are also installed as auxiliary switches in solar contactors of the CU series.
"Connect - Contact - Control" is the motto under which Schaltbau GmbH develops and manufactures electromechanical components for transportation technology, material handling, renewables and automation. Founded in 1929, the company has nine locations of its own and more than 60 sales partners worldwide. The Schaltbau range of products includes connectors, snap-action switches and contactors as well as control and indicating devices. The Schaltbau GmbH quality management system is certified in accordance with DIN EN ISO 9001 and its ecological management system in accordance with DIN EN ISO 14001. The company has been certified as a Q1 supplier to Deutsche Bahn (German Rail) since 2008. The Velden and Aldersbach plants have been quality-certified in accordance with IRIS (International Railway Industry Standard) since October 2008.
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Pressekontakt: Schaltbau GmbH Svenja Bierbrauer Hollerithstrasse 5 81829 Munich Germany
Phone +49 (0)89/93005-153 Fax +49 (0)89/93005-156 E-mail: firstname.lastname@example.org