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- brief introduction
- technical parameter
- Product size
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
Main Technical Data
1. Automatic switch overcurrent tripping characteristics table
2.Multi-functional automatic switch parameter
