There are two types of gears available: brass gears and self-lubricating plastic gears. good performance.
Port: ningbo,shanghai
Minimum Order Quantity: 200 Piece/Pieces or more
Supply Ability: 1000000 Piece/Pieces per Month or more
Payment Terms: L/C,D/P,T/T,Western Union
Contact SupplierPackaging Detail: Standard Exported Carton
Delivery Detail: I will deliver the goods within 15 days upon receipt of payment
1.Application
DDSY450 can calculate AC single-phase active energy with the rated voltage of 200V and the rated frequency of 50Hz.
It is fit to realize advance purchasing electricity.
2.Technical properties
Active energy calculation without adjustment for a long item.
IC card for advance payment in using electricity.
Breaking up at shutting down the valve to warn the customers to purchase electricity on time during the left electric capacity equal to alarm capacity.
Anti-stealing electricity and recording the information of using electricity automatically.
Breaking up automatically at over-load and recording the times of over-loading.
A magnetic relay with large capacity,low power loss and high reliability
One card for a family only without usage for any other familiy and have a good function of anti-falsehood.
3.Technical data:
Accuracy rate:Class 1.0 or Class 2.0
Basic current:5(20)A or 10(40)A
Environment temperature:-25~45degree
Data protection:Time to be preserved after power shutdown
time accuracy at the beginning:below0.5s/d.