Zw7-40.5 Outdoor Vacuum Circuit Breaker | RFQ Sourcing Details
Compact Substations · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Compact Substations. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
ZW7-40.5 outdoor medium-voltage vacuum circuit breaker is a three-phase AC 50.
Hz outdoor high-voltage electrical equipment;it is suitable for the control and protection of 20-40.5kV power transmission and distribution systems;it can also be used in the occasionsofsectioncircuitbreakersandswitchedcapacitorbanks;thisproductcanbeusedwithpiecewisecontroller,the reclosing device can realize in tion.Theringcircuitbreakerisequippedwithaspringorelectromagneticactuator,withreliable mechanical performance and frequent operation;there is no risk of fire and explosion.
Themaincharacteristicsofthecircuitbreakerareexcellentbreakingperformance,vacuumarc,highbreakingcapacity, mechanicallifeupto10000times,simplestructure,maintenancefree,andlongmaintenancecycle;Goodinsulation performance and strong anti pollution ability;Current transformers can be installed according to customer requirements, with a measurement accuracy of up to 0.2 level, enabling three-phase interaction.
Standard: IEC Product Photos Technical Data Item Unit Parameter Voltage, current parameters Rated voltage kV 40.5 Rated short time power frequency withstand voltage (1min) kV 95 Rated lightning impulse withstand voltage (peak) kV 185 Rated current A 1250, 1600, 2000 Rated short-circuit breaking current kA 2,531.5 Rated operating sequence O-0.3s-CO-180s-CO Rated short-circuit current breaking times Times 12 Rated short-circuit closing current (peak) kA 6,380 Rated peak withstand current kA 6,380 Rated short-time withstand current kA 2,531.5 Rated short-circuit current duration S 4 Average opening velocity ms 1.5±0.2 Average closing speed ms 0.7±0.2 tional voltage and auxiliary circuits rated voltage V DC220, AC220 DC resistance of circle every phase (not including transformer) μΩ ≤ 100 Dynamic, static
Zw7-40.5 | Applications and Buyer Notes
Zw7-40.5 is organized as a sourcing-ready Compact Substations reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time ques
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Compact SubstationsBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- power
- frequency withstandBased on visible page data; confirm exact value in the RFQ.
- Standard
- IEC Product Photos Technical Data Item Unit Parameter Voltage, current parameterBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
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