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Load Break Switch (LBS)

Load Break Switch

Model / Order code: VL-LBS-01
16-800A | Ui 1000V | Ue 690/440V AC/DC | IEC 60947-3
  • Three frame families (250/400/800) spanning 16A–800A in one series
  • 3P/4P configurations, rated insulation voltage 1000V, impulse withstand 12kV
  • Rated operating voltage 690/440V AC/DC; arc chutes available for reliable breaking
  • Mechanical life up to 10,000 operations (16–250A frames)
  • IEC 60947-3 / GB/T 14048.3 compliant
Certified & standards-tested
GB/T 14048.3, IEC 60947-3
Quote within 24 h
Fast technical response
Samples available
Trial order before scale-up
Factory-direct supply
OEM / ODM & private label

VOLTALUME VL-LBS-01 Series Load Break Switch — Heavy-duty isolation and switching for demanding industrial power distribution.

The VOLTALUME VL-LBS-01 is a load break switch engineered for infrequent switching, circuit breaking, and electrical isolation in AC 50Hz systems up to 660V (440V DC), with agreed thermal current ratings from 16A to 800A. Built to IEC 60947-3 and GB/T 14048.3, it delivers dependable isolation across construction, power generation, petrochemical, and heavy industrial applications where operator safety and mechanical durability are non-negotiable.

Key Features

  • Three frame families (250/400/800) spanning 16A–800A in one series
  • 3P/4P configurations, rated insulation voltage 1000V, impulse withstand 12kV
  • Rated operating voltage 690/440V AC/DC; arc chutes available for reliable breaking
  • Mechanical life up to 10,000 operations (16–250A frames)
  • IEC 60947-3 / GB/T 14048.3 compliant

Technical Specifications

Parameter16–250A315–400A630–800A
Rated insulation voltage Ui1000V1000V1000V
Rated operating voltage Ue (AC/DC)690/440V690/440V690/440V
Rated impulse withstand voltage Uimp12kV12kV12kV
Poles3P/4P3P/4P3P/4P
Rated breaking capacity (Ue=690V, AC-23A)80–2000A2520–3200A5040–6400A
Rated short-circuit making capacity Icm0.7–30kA65kA80kA
Rated short-time withstand current Icw (1s)0.5–8kA15kA20kA
Mechanical life10,0008,0005,000
Degree of protectionIP00IP00IP00

Applications

Industrial power distribution boards, construction site power panels, petrochemical facility switchgear, automation system isolation points.

Downloads

Technical documentation for this product (datasheet, type-test report, CAD drawing) is being finalized and will be published here shortly. Need it sooner? Contact us via the Request a Quote form and our team will send it directly.

Packaging & Logistics

Packaging details, minimum order quantity, lead time and HS code for this product are being finalized and will be published here shortly. Need this information sooner? Contact us via the Request a Quote form.

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