Vs1 (ZN63) Series Indoor 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
VS1 ( ZN63A ) - 12 Indoor High Voltage Vacuum Circuit Breaker ( hereinafter referred to as Circuit Breaker ) is an indoor switchgear used in 12kV power system , A s t he p rotection a nd c ontrol u nit of p ower g rid e quipment a nd p ower e quipment of i ndustrial a nd m ining e nterprises, i t i s u sed a s a c ontrol a nd p rotection unit f or c ables, o verhead l ines, d istribution s tations, and power d istribution s tations i n t he p ower d istribution s ystem.
E quipment s uch a s m otors, t ransformers, g enerators, a nd c apacitors.
T he V S1 c ircuit b reaker i s m ainly u sed t o d ivide s hort- c ircuit c urrents a nd s witch v arious l oads ( i f o n- l oad or o verhead l ines a nd c ables, t ransformers a nd g enerators, m otors, h armonic c ontrol s ystems, a nd e ven s hunt c apacitors a t n o l oad) .
T he c ircuit b reaker h as e xcellent p erformance in a pplications w here f requent o peration a nd/ o r s hort- c ircuit c urrents n eed t o b e i nterrupted, a nd it i s f ully c harged Detailed Photos Specification Serial number project unit Value 1 Rated voltage kV 12 2 Rated short-time power frequency withstand voltage (1min) 42 / 48 3 Rated lightning impulse withstand voltage (peak) 75 / 85 4 Rated frequency Hz 50 5 Current rating A 630 ~ Rated short-circuit interrupting current kA 20 ,25 ,31.5 ,40 7 Rated short-time withstand current kA 20 ,25 ,31.5 ,40 8 Rated short-circuit duration s 4 9 Rated peak withstand current kA 50 ,63 ,80 ,100 10 Rated short-circuit closing current kA 50 ,63 ,80 ,100 11 Power frequency withstand voltage of secondary circuit (1min) V 2000 12 Rated single/back-to-back capacitor bank breaking current A 630 / 400 ( ≤ 31.5kA) 800 / 400 (40kA) 13 The rated capacitor bank closes the inrush current kA Hz) 14 Opening time (rated voltage) ms 20 ~ 50 15 Closing time (rated voltage) ms 35 ~ 70 16 Mechanical life times 20000 17 The number of times the rated current is interrupted 20000 18 Rated number of short-circuit current interruptions 50 ( ≤ 31.5kA) 30(40kA) 19 Dynamic and static V AC110 / 220 DC110 / 220 22 Rated power of energy storage motor W 80 23 Energy storage time s ≤ 15 24
Vs1 | Comparison Guide and Selection Tips
Vs1 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 questions
Selection guide
- Confirm the application fit before treating a similar title as a match.
- Compare model range, material, interface, power, capacity or tolerance requirements.
- State quantity band, MOQ, packing, lead time and delivery destination.
- For project sourcing, add installation context, inspection method and service expectations.
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
- High-Speed Circuit BreakerBased on visible page data; confirm exact value in the RFQ.
- power
- of energy storage motor W 80 23 Energy storage time s ≤ 15 24Based on visible page data; confirm exact value in the RFQ.
- Origin
- ChinaBased on visible page data; confirm exact value in the RFQ.
- Voltage
- Vacuum Circuit Breaker ( hereinafter referred to as Circuit Breaker ) is an indoBased 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
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