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Application

Our DZ15DDZ15D10-40A  50-100A  100-250A/3902□ type multifunctional auto protective switch is mixed with the protection functions of phase failure, over-current, short circuit faults, able to provide the automatic protection for the motors under AC 380V, 50Hz, also used to start motor non-frequently, further to some degree, prevent the accident of distribution transformer destroyed resulted from over-current because motors run at failure of one phase caused one phase of drop out fuse melted down.The merit of this switch has solved the problem that many switches can't take action while the one phase of drop out fuse is melted down, no matter drop out fuse melted down, low voltage fuse burnt, one phase of three phase motor is broken, which make it run at phase absence, it can perform the effective protection

Normal operating conditions

Altitude: not higher than 2500m 

No place rain and snowerosion;

Noexplosivemediumandnocorrosionanddamage theinsulationofgasandconductive dust areas.

Model