What is the annual leakage rate of SF6 gas?

The annual leakage rate of SF6 gas shall not be greater than 0.5%.

What is the rated short-circuit breaking current?

The rated short-circuit breaking current is 50 kA (peak) with a time of 30.

Lw3-12 Series Primary Secondary Integration 12kv Column Circuit Breaker

Name: Lw3-12 Series Primary Secondary Integration 12kv Column Circuit Breaker
Brand: Henan Energy Electric Equipment Co.,Ltd
SKU: 1958039091

Henan, ChinaHenan Energy Electric Equipment Co.,Ltd

US$678.00-1,760.00

1 Piece

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Electric Type

Model NO.

LW3-12

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

SF6

Installation

Fixed

Structure

ACB

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB

Certification

ISO9001-2000, CCC

Rated Voltage

12kv

Rated Current

400, 630A

Rated Frequency

50Hz

Language

Chinese, English, Russian

Loading Port

It Depends

Transport Package

Wooden Case or Others

Specification

Designed According to Supplier Specifications

Trademark

HZEC

Origin

China

Production Capacity

300000sets/Year

Key features

IP67 Sealed Stainless Steel: Main box shell made of 3m stainless steel with IP67 protection grade and <0.5% annual SF6 leakage.

High Accuracy Protection CT: Unified parameter protection CT, zero sequence CT and voltage sensor with wide range and high reliability.

Compact Primary-Secondary Integration: Compact structure meeting State Grid requirements for primary and secondary fusion in outdoor applications.

Robust Grounding & Handling: Features 12mm rust-proof ground screws and a handling handle to prevent wire casing damage during hoisting.

Wide Application Range: Suitable for substations, industrial/mining enterprises, and urban power grids with frequent operations.

Certified Quality Manufacturing: Manufactured in strict compliance with ISO9001:2000 international quality management standards.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Henan Energy Electric Equipment Co.,Ltd

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2024-06-25Nearest Port: Ningbo PortAverage Response Time: ≤1.30hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW, DDP, DAP, CIP

AI-Powered supplier vetting

SummaryThe supplier exports to more than 30 countries and reports multilingual 24/7 technical support, maintenance training, consultations, and spare-parts supply. It has inventory capability, but no overseas warehouses, showrooms, agents, or branches, and reports zero countries with overseas service offerings despite describing training services. Lead time is one month in both peak and off-season. The supplier provides ODM, OEM, and design-based customization, but has not launched new products in the past year, holds one R&D patent, and lacks private-mold, 3D design, SDK, and specialized technical-supplier capabilities. Service procedures exist, although corrective/preventive-action records are absent. Export activity represents 90% of total sales and began three years ago. No financial figures are disclosed; only years of financial records are identified. Sustainability and digital-management evidence is limited, including no ERP integration.

Supplier typeThe supplier operates in power transmission and distribution-related products, including wires and cables, switch-control equipment, instruments, and electronic products. It also provides OEM and ODM services and exports to more than 30 countries, indicating an export-oriented manufacturer or trading-manufacturing supplier serving power-infrastructure markets.

After-Sales capabilityThe supplier states that it provides multilingual 24/7 emergency technical support, free consultations, maintenance training, and spare-parts supply, and it has in-stock service capacity. However, it has no overseas warehouse, showroom, agent, or branch; reported overseas service coverage is zero countries, and its corrective/preventive-action procedure has no written records.

R&D capabilityThe supplier promotes low-loss transformers and SF6-free switchgear and holds one R&D patent. Nevertheless, it reported no new products in the past year, no SDK, no private-mold or 3D software design capability, and no sustainable-development or ERP-based digital-management capability, so the evidence does not establish strong innovation performance.

Production capacityThe supplier reports in-stock capability, one-month average lead times in both peak and off-season, OEM service for well-known brands, ODM service, export capability, and a product scope covering power transmission and distribution equipment. The slices do not state production capacity, facility scale, equipment, or output volume, so overall production strength is only partially demonstrated.

Customization capabilityThe supplier explicitly offers ODM and OEM services and provides customization from customer designs. It does not provide private-mold development or 3D software design services, which limits the demonstrated scope of customization.