Compact precharge relays


In February 2012, TE Connectivity launched the Mini K HV, which supports the connection and disconnection of the traction battery in switching assemblies.

Features and USP: As a compact precharge relay, the Mini K HV takes over the charging of the filter capacitors over a precharge resistor directly before the operation of the main relay, protecting the main relay’s contacts from extreme inrush currents. With significantly reduced dimensions of 18.75 x 26.5 x 18.95 mm, the Mini K HV represents a major innovation compared to current precharge relay solutions. A specially optimised design of the switching contacts enables this miniature relay to switch loads of up to 20A at a system voltage of up to 450V.

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