High Voltage Circuit Breaker (recloser, sectionalizer,ZW10-12 Series)

Detailed Product Description

High Voltage Circuit Breaker (recloser, sectionalizer,ZW10-12 Series)

 

General

ZW10-12 outdoor high voltage vacuum breaker are three phase AC outdoor HV switching devices , the breaker is mainly used for distribution systems in country or city networks, mines , railway and ports with 12kv level , rated current 631A , rated frequency 50Hz , especially for outdoor overhead line . it switches on / off load current and overload or short current to switch and protect eletric networks . Matching with a disconnecting switch , the preaker can be a combined switch . The disconnecting switch is installed on the side of the breaker body , combining with the breaker by the angle iron underframe . on the transmission shaft , the interloking device is installed for matching with breakers mechanism . so it can prevent from incorrect manipulation .

Matching with a reclosing controller or segmentation controller , the breaker becomes a recloser(or sectionalizer )n intelligerce breaker . Matching with a reclosing controller and PT , the breaker has three segment compound protection of switch on rush current control , over current protection and short quick break . and it has 1-3 times of reclosing , low current ground protection , wired supervisory control functions . it can also remote control under the pole , and comtinuously regulate parameters of the breaker . it is an ideal choice for spot switch and simple measurement switch outside country network substations .

Main Technical Parameter

Item		Unit	Parameter
Rated voltage		KV	12
Rated current		A	630	1250
Rated Frenquency		Hz	50
Rated short-circuit interrupting current		KA	12.5	16	20	25	31.5
Rated insulation level	1 min power frequency withstand voltage	KA	42	48
	lightning impuslse withstand voltage	KA	75	85