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Automatic Transfer Switch (ATS)

Automatic Transfer Switch

Model / Order code: VL-ATS-04
125-800A | up to AC 400V | 50/60Hz
  • 125A–800A sub-line of the Q1 large-frame series
  • Finer rated-current stepping per frame for tighter sizing to load
  • Rated making capacity up to 40kA
  • 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-04 — Automatic Transfer Switch, 125–800A (Q1 Sub-Line)

The VL-ATS-04~800 automatic transfer switch is suitable for AC 50/60Hz power 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, with the load power supply interrupted during the transfer process.

Key Features

  • 125A–800A sub-line of the Q1 large-frame series
  • Finer rated-current stepping per frame for tighter sizing to load
  • Rated making capacity up to 40kA
  • Mechanical life up to 10,000 operations
  • Built to IEC 60947-6-1 / GB/T 14048.11-2016

Technical Specifications

Parameter125200400800
Conventional thermal current125A200A400A800A
Rated operating current options63/80/100/125A125/160/200A250/315/400A500/630/700/800A
Rated insulation voltage800V800V800V800V
Rated impulse withstand voltage8kV8kV8kV8kV
Rated operating voltageAC 400VAC 400VAC 400VAC 400V
Rated making capacity5kA10kA30kA40kA
Rated short-time withstand (30ms)2.5kA7.5kA15kA20kA
Conversion time≥1.5s–7.5s≥1.5s–7.5s≥1.5s–7.5s≥1.5s–7.5s
Mechanical life10,0005,5003,5003,500
Use categoryAC-33iB

Applications

Open-transition emergency power transfer for facilities needing finer current-step selection than the full Q1 frame family, from 125A up to 800A.

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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