PowerGridSourceElectrical equipment, switchgear, transformers, and power distribution components
TN401231C Power Distribution Units Solid Insulated Pole Encapsulated Pole
Electrical Engineering

TN401231C Power Distribution Units Solid Insulated Pole Encapsulated Pole

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

Quote on request

Product sourcing profile

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

Product introduction

Home Electrical & Electronics Breaker & Protector Circuit Breaker TN401231C Power Distribution Units Solid Insulated Pole Encapsulated Pole US$680.00 3 Pieces-led product discovery for buyers looking for transformers 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.electrical equipmentcircuit breakertransformer

Selection and RFQ points

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

Material fit Power Distribution Units

Confirm material, size, finish, tolerance and processing needs before price comparison.

Application fit application, operating environment and usage frequency

Add the target application and operating context so related products can be compared correctly.

Alternative path 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.

PowerGridSource 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

CategoryTransformers
BrandTianjin Pinggao In
Unitset
ApplicationElectrical and power distribution
Arc-extinguishing MediumVacuum
Average closing speed1.2±0.4m/s
Average opening speed1.7±0.3m/s
Breaking CapacityHigh Voltage Circuit Breakers
CategoryTransformers
CertificationISO
Circuit resistance at the lower limit of rated contact pressure≤25μΩ
Clearance between contacts20±1mm
Contact initial pressure≥2,700 N
Contact limit erosion3 mm
CustomizationAvailable
Electrical Endurance20/30/50 Times
Feature Highlightsdigital
HS Code853890
InstallationFixed
Insulating MediumVacuum
Main Technical SpecificationsTN401231C Solid Insulated Pole
Matched Termselectrical equipment, circuit breaker, transformer
Max. contact bounce duration4ms
Maximum rebound during opening≤2 mm
Mechanical life30,000 times
Model NO.TN401231C
Nominal Voltage40.5
Non-simultaneity of contact opening and closing≤2ms
OperationElectric Type
OriginChina
Product TitleTN401231C Power Distribution Units Solid Insulated Pole Encapsulated Pole
Rated Current630A/1250/2500/3150/5000A
Rated Frequency50/60Hz
Rated contact pressure3,400±300 N
Rated current1,250 A
Rated frequency50/60 Hz
Rated lightning impulse withstand voltage185/215 kV
Rated operation sequenceO-0.3s-CO-180s-CO
Rated peak withstand current80 kA
Rated short-circuit breaking current operations30 times
Rated short-circuit making current80 kA
Rated short-time power-frequency withstand voltage95/118kV
Rated short-time withstand current (4s)31.5kA
Rated symmetrical short-circuit breaking current31.5 kA
Rated voltage40.5kV
Reaction force of contacts at rated clearance300±50N
Self-closing force225±35N
Shelf life30 years
Short-Circuit Breaking Current20/31.5/40/50ka
SpeedHigh-Speed Circuit Breaker
StructureSealed Pole
TN401231CTN401231C
TrademarkPG
US$680.003 Pieces (MOQ)
Voltage40.5kv

Keyword evidence

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Product sourcing keywords

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Related keyword paths

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SOURCING DECISION BRIEF

TN401231C Power Distribution Units Solid Insulated Pole Encapsulated Pole sourcing decision brief

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

Category
Transformers
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
Category, Brand, Unit
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 PowerGridSource 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.

PowerGridSource related sourcing paths

PowerGridSource procurement phrases

PowerGridSource 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.

PowerGridSource related product samples

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.

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