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Automatic Transfer Switch (ATS)

Automatic Transfer Switch

Model / Order code: VL-ATS-03
125-800A | up to AC 400V | 50/60Hz
  • Rated current range 125A to 800A for mid-size distribution boards
  • Multiple rated operating current steps per frame for flexible sizing
  • Rated making capacity up to 35kA
  • Mechanical life up to 10,000 operations
  • Built to IEC 60947-6-1 / GB/T 14048.11-2016
Certified & standards-tested
GB/T 14048.11, IEC 60947-6-1
Quote within 24 h
Fast technical response
Samples available
Trial order before scale-up
Factory-direct supply
OEM / ODM & private label

VL-ATS-03 — Mid-Frame Automatic Transfer Switch, 125–800A

The VL-ATS-03-125~800 automatic transfer switch is suitable for AC 50/60Hz systems, with a rated voltage up to AC 400V and a rated current range of 125–800A. It is designed for switching between two power sources in emergency power supply systems, temporarily interrupting the load power during the transfer process.

Key Features

  • Rated current range 125A to 800A for mid-size distribution boards
  • Multiple rated operating current steps per frame for flexible sizing
  • Rated making capacity up to 35kA
  • Mechanical life up to 10,000 operations
  • Built to IEC 60947-6-1 / GB/T 14048.11-2016

Technical Specifications

Parameter125250400630800
Conventional thermal current125A250A400A630A800A
Rated operating current options63/80/100/125A160/200/250A315/600A500/630A700/800A
Rated insulation voltage800V800V800V800V800V
Rated impulse withstand voltage8kV8kV8kV8kV8kV
Rated operating voltageAC 400VAC 400VAC 400VAC 400VAC 400V
Rated making capacity10kA25kA35kA35kA35kA
Rated short-time withstand (30ms)10kA15kA20kA20kA20kA
Conversion time≥5s≥5s≥5s≥5s≥5s
Mechanical life10,0005,5003,5003,5003,500
Weight2.2kg5.6kg18kg18.3kg18.5kg
Use categoryAC-33iB

Applications

Emergency power transfer for mid-size distribution boards in commercial and industrial buildings where 125–800A dual-source switching is required.

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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