DC Contactor Relays Selecting High Voltage DC Contactor Relays

In the race to electrify their vehicle designs, engineers may encounter applications having DC voltages higher than they are used to seeing. At these moderately higher voltages (48 to 1800 V), a properly selected contactor electrical relay can mean the difference between catastrophic failure and success. A proper system design will reduce the risk of a relay erupting, starting a fire, or disabling a critical function. Considerations include the relay technology, key specifications, and special problems of high-voltage DC applications
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