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The ground fault circuit breaker of TYP B has since been a requirement for charging electric cars. We offer the right switch for a difficult price. Fits among others Tesla Powerwall. CODE In the case of electric car charging and solar installations, you must have an earth fault breaker type B according to the new electrical installation rules Edition 3 of SS 40 It is a Swedish standard that should be followed. The reason for this is that an ordinary earth leakage circuit breaker can stop working if it is used in these contexts, which in the worst case can lead to fire or electric accidents.
ANSWER: The new rules from apply to all new installations, a three-phase charging station is in principle always a new installation and these must either be equipped with earth-fault switch type B or supplemented with such When it comes to wall outlets for charging electric hybrids, these are often then earlier and the requirements do not apply to these.
However, our view is that the same risk exists for electric accident, fire or damage to electronic equipment in the property on which the outlet is located.
Based on this reasoning, it is never wrong to supplement an old outlet with a single-phase earth-fault breaker type B. We also recommend replacing old wall outlets with new ones of good quality as old wall outlets can cause slippage contact and hot running if they are heavily stressed for a long time. See also our packages with electricity meters, earth fault switches and fuses.
FAQ / Vanliga frågor