The High Current Probe HCF77517B400G300 (item number 1005051) is designed for safe transmission of high electrical currents in test and contacting applications. HCF77517B400G300 focuses on current capacity and low transition losses, as required in battery testing, formation and other e-mobility applications. For HCF77517B400G300, contact resistance, contact force and thermal behavior must be considered together because they influence voltage drop and temperature rise at the contact point. The intended application area for HCF77517B400G300 includes power-electronics testing. HCF77517B400G300 is rated for 50 A continuous current with a typical contact resistance of 5 mΩ. For HCF77517B400G300, spring force is 300 cN at a nominal travel of 4.4 mm.