Fn18-12 Sf6-Free Load Break Switch Nalf Air Insulation Switch Breakers Fuses

Name: Fn18-12 Sf6-Free Load Break Switch Nalf Air Insulation Switch Breakers Fuses
Brand: Yueqing Liyond Electric Co., Ltd.
SKU: 1913997976

Zhejiang, ChinaYueqing Liyond Electric Co., Ltd.

US$550.00-950.00

1 Piece

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

High Voltage Switchgear

Operation

Manual Type

Model NO.

FN18-12

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Indoor Wall-Mounted / Switchgear Track Mounted

Structure

as Specification

Poles Number

Type

Load Break Switch

Function

Load Breaking and Making Capacity

Certification

ISO9001-2000

Product Name

Fn18 Load Break Switch

Arc Extinguishing Medium

Air Insulated

Rated Voltage

12kv / 24kv

Rated Current

630A

Rated Frequency

50Hz / 60Hz

Combination Type

Basic Switch / Fuse-Switch Combination

Application

High Voltage Switchgear

OEM

Transport Package

Standard Export Packaging

Specification

12kV

Trademark

Liyond

Origin

China

Key features

SF6-free air-puffer mechanism utilizes compressed air cylinders to quench arcs instantly during opening, delivering an environmentally sustainable insulation profile.

Rigid integrated mechanical interlocking framework coordinates the main blade and earthing switch to eliminate accidental closing onto energized lines.

Modular base allows flexible coupling with high-voltage current-limiting fuses, transforming the unit into an LBS-fuse combination with an automatic striker trip function.

Company profile

Yueqing Liyond Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading CompanyExport Year: 2011-04-07 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.58h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

About Our Factory & Business Background

AddressRoom 1801, building 2, 3 and 4, headquarters economic Park, No. 6688, Xuyang Road, Chengdong street, Yueqing City, Zhejiang Province

Plant Area1100 square meters

Number of Employees18

Registered Capital5,000,000 RMB

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsMedium and High Voltage Switchgear, Switchgear Accessories, Vacuum Vircuit Breaker, Vacuum Circuit Breaker Accessories, Earthing Switch, Load Break Switch, Auxiliary Switch, Conductive Parts, Insulation Parts

R&D Engineers2 people

Our Industry Experience & Global Business Record

Year of Establishment2011-04-07

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)

Number of Foreign Trading Staff7

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Product CertificationCE

Product Q&A

Q:How does the air puffer mechanism of this 12kV LBS extinguish arcs without SF6 gas?

The FN18-12(D) utilizes a mechanical piston assembly tied to the main shaft. During the opening sequence, the piston compresses air inside the cylinder and jets it onto the separating contacts, cooling and quenching the thermal arc at current zero without using greenhouse gases.

Q:What occurs when a single-phase fuse blows in the LBS-fuse combination assembly?

When any phase fuse clears a fault, its high-velocity striker pin extends and impacts the internal trip linkage of the FN18 switch. This mechanically forces all three phases of the load break switch to open simultaneously, avoiding single-phasing conditions.

Q:Is this indoor air puffer load switch compatible with standardized cubicle switchgears?

Yes. This unit is configured for standard air-insulated switchgear (AIS) cubicles, including fixed-type panels such as GG-1A, XGN2, and various localized compact substations, requiring minimal structural customization.