10kv Sf6 Smart Watchdog Outdoor High Voltage Vacuum Circuit Breaker

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Zhejiang Maiyu Electric Co., Ltd.

VIP   Audited Supplier 2 years
Profile Certified by SGS/BV
ZW20-12F/630A
High Voltage Circuit Breakers
Electric Type
Normal Type Circuit Breaker
SF6
Open Frame
ACB
3
Circuit Breaker
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
ISO9001-2000
12kv
50Hz
630A
20
Wooden Box
140*110*138mm
Yueqing City, Zhejiang Province, China
Product Description
 
Company Profile
Zhejiang Maiyu Electric Co. , Ltd. is a professional manufacturer, high voltage vacuum circuit breaker series, indoor high voltage vacuum circuit breaker series, load switch series, lightning arrester series, high voltage disconnector series, drop fuse series, grounding switch series, cable box series and other electrical equipment companies, the company is composed of a group of people engaged in electrical industry for many years, with professional technical research and development and product sales team,
perfect production equipment, integrity management, strict quality control.
Product Description

ZW20-12 outdoor AC HV vacuum boundary circuit breaker (hereinafter referred to as the boundary circuit breaker) is one of our new products. Boundary circuit breaker is a multifunctional intelligent device with the function of vacuum breaker, vacuum load switch, recloser, sectionalized four switches. The main configuration consists of vacuum breaker, CH-40 controller, external voltage transformer (Note: distribution automation line ring network available in bilateral PT) three parts. Products are widely used in 10kV, 13kV city, rural power grid space ring network for disconnecting switch, contact switch, automatic switch device which can implement the ring deployment line load. It can be used as a boundary switch (commonly known as a watchdog) in the branch line of power supply, used as reclosers and sectionalizes in feed overhead distribution network. Boundary circuit breaker with remote management pattern protection and control functions and communication functions. Reliable detection in judgment, mA level zero sequence current and short circuit current between phases, realize the automatic removal of single-phase grounding fault and phase to phase short circuit fault.
       The main switch is vacuum arc and insulation adopts SF6, N2 mixed gas. The case introducing of Japan, Germany French gas sealing, explosion-proof, insulation system technology, the overall excellent sealing performance. Inside s filled with SF6, N2 mixed gas which does not leak, not affected by the external environment. The spring operating mechanism with miniaturization and performance optimization design, action reliability is much higher than the traditional spring mechanism.
 

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Product Parameters
serial numberprojectnuitdata
1Rated voltageKV12
2Rated frequencyHz50
3Current ratingA6301000
4Rated short-time interrupting currentKA2025
5Rated peak withstand currentKA5063
6Rated short-time withstand currentKA2025
7Rated short-circuit closing currentKA5063
8Rated sequence of operations min-0.3s-combine-180s-combine
9Rated short-circuit durationS4
10Mechanical lifetimes10000
11The number of times the rated current is interruptedtimes10000
12Rated number of short circuit breakstimes30
13Power frequency withstand voltage(1min) (wet) phase, to the groundKV34
(Dry) interphase,ground/fractureKV42/48
14Withstand lightning impulse voltage interphase, ground/fractureKV75/78
15The secondary circuit has a power frequency withstand voltage of 1minV20000
Installation Instructions

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