GridSupplyHubElectrical equipment, switchgear, transformers, and power distribution components
AC High Voltage/Mv Server Power Supply Sulfur Hexafluoride Power Distribution Fn8-40.5kv Sf6 Gas Circuit Breaker
Electrical Engineering

AC High Voltage/Mv Server Power Supply Sulfur Hexafluoride Power Distribution Fn8-40.5kv Sf6 Gas Circuit Breaker

Electrical detail pages should help buyers judge whether one component fits the wider project scope, standards path and protection role before tender RFQ.

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Product sourcing profile

CategoryElectrical Engineering
Inquiry workflowPlatform RFQ workflow
AvailabilityInquiry required
Updated2026-05-04

Product introduction

Home Electrical & Electronics Breaker & Protector Circuit Breaker High Voltage Circuit Breaker AC High Voltage/Mv Server Power Supply Sulfur Hexafluoride Power Distribution Fn8-40.5kv Sf6 Gas Circuit Breaker US$7, ,200.00 1 Piece-led product discovery for buyers looking for switchgear options. The page is organized around specification review, application fit, and inquiry-ready comparison.When evaluating this product, buyers should confirm application fit, required performance range, installation environment, lead time, documentation, and whether the supplier can support OEM or project quotations. Current vertical focus: industrial electrical equipment sourcing, power distribution component discovery, and rfq-ready grid supply platform.circuit breakerpower supplybreaker

Selection and RFQ points

Review material fit, application context, alternatives and RFQ detail before comparing related product paths.

Material fit Item Unit Technical Parameters

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Application fit application, operating environment and usage frequency

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Alternative path Industrial Electrical Equipment

Use nearby materials, equipment types or category pages when this record is close but not exact.

RFQ detail Quantity, destination, timing

Include quantity, destination, target delivery window, packaging and any technical constraints.

GridSupplyHub quality checks

Project contextCheck voltage class, installation type and project role before pricing discussion.

Use this check before moving from discovery into product comparison or RFQ submission.

Protection scopeConfirm whether protection, metering or switching requirements actually match this product.

Use this check before moving from discovery into product comparison or RFQ submission.

Tender detailBring standards, load profile and site conditions into the RFQ path.

Use this check before moving from discovery into product comparison or RFQ submission.

Key specifications

Vertical Sitegridsupplyhub
CategorySwitchgear
Source Domainjhlswitch.en.made-in-china.com
Brand
Unitset
10Rated Sequence Of Operation-O-0.3s-CO-180s-CO
11Rated Single Phase-to-Ground Fault Breaking Current kA
12Rated Cable Charging Current Switching Test A 50
13Rated Breaking Current of Single/Back-to-Back Capacitor Bank A ≥800 / 800
14Mechanical Endurance Times 10000
15Short-Circuit Current Breaking Times Times 20
161min Power Frequency Withstand Voltage of Secondary Circuit V 2000
17Rated Operating Voltage Closing line circle V DC110/220, AC220
18Rated Voltage of Energy Storage Motor V DC110/220, AC220
19Rated Power of Energy Storage Motor W 250
20Energy Storage Time (At Rated Voltage) s ≤10
21Rated SF6 Gas Pressure (Gauge Pressure at 20℃) MPa 0.35+0.02/0
22Alarm Pressure MPa 0.30±0.01
23Minimum Functional Pressure (Lockout Pressure) MPa 0.28±0.01
24Annual Leakage Rate % ≤0.5
25Gas Moisture Content μL/L ≤150
26Moving
28Opening Time ms 33~130
29Closing Time ms 65~95
30Three-Phase Asynchronism of Closing & Opening ms ≤2
31Average Opening Speed (Within 10ms after Half Stroke) m/s 2.2~2.8
32Average Closing Speed (Within 10ms after Half Stroke) m/s ≥1.5
33Main Circuit Resistance μΩ ≤32 (Trolley Type) ≤25 (Fixed Type)
ApplicationElectrical and power distribution
Arc-extinguishing MediumSF6
Breaking CapacityHigh Voltage Circuit Breakers
Broken118
Capacity180.000kg
CategorySwitchgear
CertificationISO 9001:2015
Current level1250A
CustomizationAvailable
Feature Highlightsdigital
Frequency50Hz
FunctionCircuit-Breaker Failure Protection
InstallationFixed
Lightning Impulse Withstand Voltage (Peak)Alternating, relatively low 185
Matched Termscircuit breaker, power supply, breaker
Model NO.FN8-40.5
No.Item Unit Technical Parameters
Opening line circleDC110/220, AC220
OperationManual Type
OriginChina
Poles Number2
Product NameIndoor High Voltage AC Sf6 Circuit Breaker
Product TitleAC High Voltage/Mv Server Power Supply Sulfur Hexafluoride Power Distribution Fn8-40.5kv Sf6 Gas Circuit Breaker
Rated Current1250A/2500A/3150A
Rated Voltage40.5kv
Refund policyClaim a refund if your order doesn't ship, is missing, or arrives with product issues.
Secure paymentsEvery payment you make on Made-China.com is protected by the platform.
Shipping Cost.
SpecificationCustomized
SpeedHigh-Speed Circuit Breaker
StructureACB
TrademarkJinhuilong
Transport PackageWooden Box
TypeCircuit Breaker
US$7,000.00-10,200.001 Piece (MOQ)
Voltage40.5kv

Keyword evidence

Only terms with visible evidence in this listing are shown here.

参数：No. Item Unit Technical Parameters

可见证据：Item Unit Technical Parameters

Product sourcing keywords

These terms come from the title, visible copy and specifications, and link into matching aggregate pages.

Item Unit Technical Parameters Industrial Electrical Equipment Power Distribution Component

Related keyword paths

Grouped by the product keyword that generated the related path.

Related to Item Unit Technical Parameters

Port Warehousing Handling Equipment Electrical Equipment
SOURCING DECISION BRIEF

AC High Voltage/Mv Server Power Supply Sulfur Hexafluoride Power Distribution Fn8-40.5kv Sf6 Gas Circuit Breaker sourcin...

Electrical detail pages should help buyers judge whether one component fits the wider project scope, standards path and protection role before tender RFQ.

Category
Switchgear
Price status
Quote on request
Inquiry model
Structured product RFQ with quantity, destination and technical requirements.
Availability
Confirm by inquiry
Sourcing lens
Project-fit electrical decision
Primary compare
Vertical Site, Category, Source Domain
Adjacent category
Transformers and Substation Equipment
Next route
Medium Voltage Distribution Projects
Buyer checklist
  • Project role: Check where this item sits inside the wider distribution, retrofit or protection scope.
  • Standards fit: Compare voltage class, installation type, standards and protection scope before supplier outreach.
  • Tender handoff: Carry load profile, site conditions and compliance constraints into the RFQ path.
How should buyers use this GridSupplyHub detail page?

Use the detail page to confirm whether one electrical component fits the wider project scope before opening a tender RFQ.

What should buyers compare first?

Compare voltage class, standards fit, project role and the nearest solution or procurement route.

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GridSupplyHub related sourcing paths

Related categories GridSupplyHub internal links

Transformers and Substation Equipment

Switchgear and Breakers

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Related applications GridSupplyHub internal links

Transformers and Substation Equipment for Industrial Power Distribution

Switchgear and Breakers for Industrial Power Distribution

Meters and Protection Devices for Industrial Power Distribution

Related solutions GridSupplyHub internal links

Medium Voltage Distribution Projects

Energy Metering and Protection Upgrades

Compact Substation Sourcing

GridSupplyHub procurement phrases

Procurement route Installation Type Transformers and Substation Equipment Procurement route Installation Type Switchgear and Breakers Procurement route Current Rating Switchgear and Breakers

GridSupplyHub project-fit checks

Voltage Rating Confirm Voltage Rating before comparing offers or moving the inquiry forward.
Current Rating Confirm Current Rating before comparing offers or moving the inquiry forward.
Protection Grade Confirm Protection Grade before comparing offers or moving the inquiry forward.
Installation Type Confirm Installation Type before comparing offers or moving the inquiry forward.
Application route Use Application to compare adjacent options instead of relying on one broad title match.
Country route Use Country to compare adjacent options instead of relying on one broad title match.

GridSupplyHub related product samples

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Electrical project sourcing method

Project scopeRead the product inside the wider electrical project scope, not as a disconnected part.
Standards fitUse voltage class, installation type and protection scope to narrow comparisons.
Tender framingSend load profile, standards and installation context through the RFQ path.

Procurement notes

If visible specifications are still thin, add model, material, interface, quantity, application fit, destination and target lead time before comparing quotes.

Next sourcing actions

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