E-T-A’s thermal magnetic type 452 provides continuous current ratings of up to 100A. These circuit breakers offer a superior level of reliability and safety, unrivalled in the market. They are qualified for the harshest conditions with exceptional shock and vibration resistance.
They are first choice for the protection of heavy current main distribution cables and are ideally suited to the rigorous demands of construction and other off-road vehicles.In the event of a short circuit the magnetic trip mechanism ensures rapid and reliable interruption. Motor inrush currents do not affect the 452 – a further bonus.