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Outdoor High Voltage Vacuum Breaker

24kV Outdoor Permanent-magnet Vacuum Circuit Breaker

24kV Outdoor Permanent-magnet Vacuum Circuit Breaker

Mostly purpose ZW□-24(27)type ac outdoor vacuum circult breaker is a new practical product deceloped by our company with several kinds of patent it is mainly applied for switching on or off of load current,overload current and short-circult current of power systems .in ac three-phase outdoor......

Mostly purpose

ZW□-24(27)type ac outdoor vacuum circult breaker is a new practical product deceloped by our company with several kinds of patent it is mainly applied for switching on or off of load current,overload current and short-circult current of power systems .in ac three-phase outdoor power distribution net with rated voltage of 24 kv and frequency of 50hz,it is used for protection and control in power substation and enterprise’s power distribution system,and is more applicable for rural power grids and frequent operation occassion.the product and its supporting control equipment can meet the automatization requirement of power distribution system and also act the traditional recloser’s function reliably and efficiently .

Technic parameter
voltage ratings rated contact stroke 

item

unit

parameter

rated frequency

hz

50/60

rated voltage

KV

24

1minpower frequency withstand voltage

dry

KV

60

wet

50

lightning impulse withstand voltage

KV

125


Current ratings

rated current

A

630

circult resistance at lowest rated contact force

μΩ

≤80

rated short circult breaking current

KA

16

rated short time withstand current

ka

16

rated short circult duration time

s

3

rated peak value withstand current

KA

40

rated short current switching current

ka

40

rated operating sequence

o-t1-co-t2-co-t3-co-(lock)


Externality & Build in Dimension

图1.jpg

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