Used as maintaining power in a rated
current 250A circuit AC50Hz,voltage of 380V or 220v, possessing
short circuit,low voltage,over load protection and strong
corrosion-resistant ablility in corrosion atmospher.
The product
is constituted by flame-proof breake and flame-proof
motor starter,flame-proof button inctrased satety explosion-proofenclosure,
with possessing patent control mechanism incresed safety
corrosion-proof enclosure is pressed-forming with high
strong,burning-proof(oxyge nindex 34%)and reinforeced
film plastic possessing antistatic shock-proof,good
thermal corrosion-strong stability.All screws are made
of PA plastic. there are oil-proof grommets between
cover and body,that protective class can reach IP65.