ZN□AB-7.2/400630-12.5 suits for electric line which has the rated voltage of 6~7.2kV and rated current of 630A and electric system which has the rated short-circuit breaking current of 12.5kA. It is used for control protection switch of H.V electric equipment, and it is used in continually starting up H. V motor、 operation arc furnace transformer. It especially suits for mine general type and explosion-proof type switchgears.
2. Main Technique Parameter
a. The operating way can be divided into manual energy storing of spring and manual energy storing of electromotional Spring two kinds.
b. Operating voltage.
Energy storage motor voltage: ≌110V、≌127V、≌220V
Shunt release voltage: ≌100V and ≌220V、-24V
No-voltage release voltage: -100V
c. Rated short-circuit breaking current: 8kA and 12.5kA
TEL : 86-021-63222945 / FAX : 86-021-63604470
No.364, Ningbo Road, Huangpu District China Shanghai China [CN]
Company Advantage
Detail Company Introduction
Our company is specialized in producing H.V and L.V vacuum contactor, vacuum circuit breaker, vacuum interrupter,isolating switchand,switch disconnector and series accessory.
Our products have passed “CC” & “CQC” attestation, ISO9001 quality system attestation and production certificate awarded by ministry
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea