Zn85-40.5indoor High-Voltage AC Vacuum Circuit Br | 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
ZN85-40.5 MV vacuum circuit breaker is indoor MV distribution device of three-phase AC 50. Hz, rated voltage 40.5kV, can be matched with JYN35/GBC-35 type switch cabinet. Suitable for control and protection in power plant, substation and power distribution system, especially suitable for frequent operation places.
The vacuum circuit breaker is handcart type, with reasonable structure, convenient maintenance, safe and reliable use.
Product Photos Technical Data Item Unit Parameter Parameters of voltage, current, life Rated voltage kV 40.5 Rated short time power frequency withstand voltage (1min) kV 95 Rated lightning impulse withstand voltage (peak) kV 185 Rated frequency Hz 50 Rated current A Rated short-circuit breaking current kA 25 31.5 Rated short-time withstand current (RMS) kA 25 31.5 Rated peak withstand current kA 63 80 Rated short-circuit closing current kA 63 80 Rated single / back-to-back capacitor bank breaking current A 600/400 Rated short-circuit current duration S 4 Rated short-circuit current breaking times Times 20 Rated operating sequence O-0.3s-CO-180s-CO The main galvanic circle resistance μΩ ≤65 Rated operation voltage ≌ 220/110 Mechanical life Times ≥ 10000 Mechanical property parameters Open clearance between , switching synchronism ms ≤2 Average opening speed m/s 1.7 ±0.2 Average closing speed m/s 0.75 ±0.2 Opening time (rated voltage) ms ≤90 Closing time (rated voltage) ms ≤60 Allowable wear thickness for dynamic and static
Zn85-40.5indoor | Applications and Buyer Notes
Zn85-40.5indoor 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-ti
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.
- Type
- Circuit BreakerBased on visible page data; confirm exact value in the RFQ.
- Speed
- Normal Type Circuit BreakerBased on visible page data; confirm exact value in the RFQ.
- power
- frequency withstandBased on visible page data; confirm exact value in the RFQ.
- Origin
- ChinaBased on visible page data; confirm exact value in the RFQ.
- voltage
- (peak) kV 185 RatedBased on visible page data; confirm exact value in the RFQ.
- Function
- Conventional Circuit BreakerBased 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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