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Zhejiang Zhongyi Electric Power Technology Co., Ltd.

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Vacuum Circuit Breakers

Test Item : power frequency withstand voltage against the earth, between phases

Data : 40 / 65

N0. : 7

Unit : Times

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ZW58-12/24 Outdoor AC Vacuum Circuit Breaker

Product Overview

The ZW58-12/24 model is a high-performance outdoor AC vacuum circuit breaker designed for 12/24kV, 50/60Hz power systems. It excels in managing load, overload, and short-circuit currents, making it an essential component for substations, industrial mining, and urban/rural power distribution networks.

✅ Strong Breaking Capability

✅ High Level of Insulation

✅ Long Service Life

✅ Superior Pollution Resistance

Technical Specifications

Item	Parameter	Unit	Data (12/24kV)
Rated Voltage	-	kV	12 / 24
Rated Current	-	A	630/1250 / 630/1250
Rated Frequency	-	Hz	50/60 / 50/60
Short-time Withstand Current	-	kA	25 / 25
Short-circuit Duration	-	s	4 / 4
Mechanical Life	-	Times	10000 / 10000

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