The manual maintenance protection switch is a manual maintenance protection switch with high-voltage interlock function for high-voltage boxes or battery boxes of electric vehicles. It is mainly for protecting and controlling the internal main circuit of electric vehicles from excessive current. In case of disconnecting the main circuit current.
This mini Manual Service Disconnect (Mini MSD) is for use in charging Plug In Hybrid Electric Vehicles (PHEV) and features a High Voltage Interlock Loop (HVIL). The plug features a two-stage lever to open the HVIL circuit prior to the separation of HV contacts. The MSD presents a disconnect for internal high-voltage battery packs without needing specialist tools while protecting the battery from short circuits.
With a high degree of ingress protection, this Mini MSD offers a safe and reliable solution for PHEV servicing. The mini MSD presents a more compact and cost-effective alternative to the standard MSD.