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Zw20-12 Pole Mounted Outdoor Vacuum Circuit Breaker with Isolation Knife
US$400.00-800.00
1 Piece
Product profile
Customization
AvailableBreaking Capacity
High Voltage Circuit BreakersOperation
Electric TypeModel NO.
Zw20-12Speed
Normal Type Circuit BreakerArc-extinguishing Medium
SF6Installation
FixedStructure
LbsPoles Number
3Type
Circuit BreakerFunction
Circuit-Breaker Failure Protection, Overcurrent ProtectionCertification
ISO9001-2000, CCCModel
Zw20-12/1250Transport Package
Normal Export CaseSpecification
Rated voltage 24kvTrademark
Volcano ElectricalOrigin
ChinaHS Code
8538900000Production Capacity
50000Key features
High Voltage Capability: Rated voltage options of 12kV, 24kV, or 36kV for versatile power transmission needs.
SF6 Gas Insulation: Mature case type sealing structure ensures excellent sealing performance against external environments.
Remote Digital Control: Enables remote digital control functionality when paired with a control box and PT.
Reliable Spring Mechanism: Features spring mechanism with chain main transmission and multi-stage tripping system.
Comprehensive Protection: Provides circuit-breaker failure protection, overcurrent protection, and short-circuit current protection.
OEM and ODM Services: Customized model options available with dedicated OEM and ODM service support.
International Certifications: Certified with ISO9001, ISO14001, ISO18001, and CCC standards.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-01-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤10.24h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryZhejiang Volcano Electrical Technology Co., Ltd. is a China-based limited company established in 2015, operating in electrical and electronics manufacturing and trade. The supplier reports ISO9001:2015 and ISO14001:2015 certification, with an additional description citing ISO18001 approval and product type testing. Its stated product range covers vacuum circuit breakers, auto-reclosers, disconnectors, load break switches, switchgear, and related equipment. Production evidence includes five production lines, a 5,127 m² manufacturing plant, and 6–10 quality-control staff. The supplier reports export activity since 2019, with exports representing 31%–40% of sales and markets across South America, Africa, Southeast Asia/Mideast, East Asia, and domestic China. Evidence of R&D, after-sales systems, customization, and financial credibility is limited. Two trade records identify buyers in Brazil and Pakistan, but the available transaction history is small.
Supplier typeThe supplier is identified as Zhejiang Volcano Electrical Technology Co., Ltd., a China-based limited company established in 2015. Its records describe both manufacturing and trading activities in electrical and electronics, with a stated factory and product-focused production capabilities.
CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, while its company description also states ISO18001 approval and product type testing. These certifications and testing claims provide positive evidence of formal quality, environmental, and occupational-safety-related systems, although the specific details of the additional certifications are not provided.
Production capacityProduction capability is supported by five production lines, 6–10 quality-control staff, a 5,127 m² manufacturing plant, and a product range including vacuum circuit breakers, switchgear, load break switches, auto-reclosers, and related equipment. The supplier reports one-month fulfillment during both off-peak and peak seasons, providing additional evidence of stated production responsiveness.
Client casesThe supplier reports exporting since 2019, with 31%–40% of sales from exports and markets in South America, Africa, Southeast Asia/Mideast, East Asia, and domestic China. Two trade records identify buyers in Brazil and Pakistan, but the available records are limited and do not establish a broad or deeply documented customer portfolio.
Product Q&A
Q:What are the available rated voltage options?
A:
The product supports rated voltages of 12kV, 24kV, or 36kV.
Q:What type of insulation does the switch use?
A:
It uses SF6 gas insulation with a mature case type sealing structure for excellent environmental resistance.
Q:Can this switch be controlled remotely?
A:
Yes, it can realize remote digital control when used with a control box and PT.
Q:What protection functions are included?
A:
It provides circuit-breaker failure protection, overcurrent protection, and short-circuit current protection.
Q:Is OEM or ODM service available?
A:
Yes, the factory offers both OEM and ODM services with customized model options.
Send Inquiry
*To:
Zhejiang Volcano Electrical Technology Co., Ltd.
Zhejiang Volcano Electrical Technology Co., Ltd.*Content:
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