In fast and ultra-fast charging, electromagnets operate under high power conditions, in forced-ventilated enclosures, and undergo intensive use at service stations, in fleetsm and at urban charging stations. The requirements boil down to three key points: repeatable performance after thousands of operations, no self-heating inside the equipment, and a known state in any failure scenario.

The most important decision is made during the design phase: how each lock behaves when power is off. In fail-safe mode, the device unlocks when power is lost, allowing the connector to be released and the user to exit safely. In fail-secure mode, the device remains locked when power is off, protecting power cabinets, wiring, and compartments from unauthorized access.

A single station typically combines both logics: safe release at the point of contact with the user and safe locking at technical access points. We help the manufacturer assign the appropriate type of solenoid and failure strategy to each point, and validate the entire system with prototypes before mass production.