Our indoor spring operating mechanism is used for operating 
12kV / 20kA, 31.5kA, ZN63, and 40kA of ZN28, ZN73 series and ZW37 - 40.5 
high voltage vacuum circuit breakers. 

Functions include electric and manual energy storing and 
opening - closing. 

It conforms to GB / T1984 (AC high voltage circuit ) and GB / T11022 standards.

We are committed to doing our best for you, and welcome inquiries for Spring Operating Mechanism.

Contact information: Inquire

Address:	No.138, Ningkang Road (), Yueqing City, Zhejiang Province. China
Company Name:	Huayi Elec. Apparatus Group Co., Ltd.
Contact Person:	Mr. Li Weiming
Fax:	86-577-62538979
Telephone:	86-577-62558769
Zip:	325600