TE Connectivity introduced the EVC 250 main contactor, a product designed for use in hybrid, full-electric and fuel cell vehicles, as well as in vehicle charging systems.
The device features large contact gaps, optimised switching dynamics, high-performance arc suppressing magnets and other measures to effectively control the switching arc. It achieves continuous current ratings of 250 A which ensures a safe short circuit carry capability of 6 kA and complies with the demanding switching requirements in hybrid and electric vehicles. Since the EVC 250 contactor works without pressurised contact chambers, service replacement due to pressure loss or gas leakage is no longer necessary.
The contactor measures 93 x 55,3 x 49,8 mm and, due to its simplified construction, is suitable for fully automated production. In addition to the standard version with separate coils for pull-in and hold with automatic, internal switch, a second version with single coil for pulsed excitation (PWM) is also available. The EVC 250 fulfils the insulation requirements of IEC 60664.
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