ZW□-24（27）type ac outdoor 24KV vacuum Circuit 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 .
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 ratingsrated currentA630circult resistance at lowest rated contact forceμΩ≤80rated short circult breaking currentKA16rated short time withstand currentka16rated short circult duration times3rated peak value withstand currentKA40rated short current switching currentka40rated operating sequenceo-t1-co-t2-co-t3-co-（lock）
Dimension and mounting
- [book id=’27’ /]
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