Request a Quote
Home/ Products /Power Distribution System /Automatic Transfer Switch (ATS) /VL-ATS-09
Automatic Transfer Switch (ATS)

Automatic Transfer Switch

Model / Order code: VL-ATS-09
Up to 690V | 50/60Hz | GB/T 14048.11
  • Automatic transfer between Normal Power and Reserve Power without manual intervention
  • Three steady working states: Normal-on/Reserve-off, Normal-off/Reserve-on, both-off
  • Manual operating handle doubles as an emergency switch during blackout
  • Mechanical life 5,000 N-R-N cycles
  • Optional fire-control terminal variants (100–250A and 400–1250A) with DC24V fire alarm signal input/feedback
Certified & standards-tested
GB/T 14048.11
Quote within 24 h
Fast technical response
Samples available
Trial order before scale-up
Factory-direct supply
OEM / ODM & private label

VL-ATS-09 — Automatic Transfer Switch with Fire-Control Terminal, up to 690V

The VL-ATS-09 Series double power automatic transfer switch is designed for AC systems with rated voltages up to 690V and frequencies of 50/60Hz. It enables automatic transfer between two power supply systems—Normal Power and Reserve Power—without manual intervention. The switch complies with the national GB/T 14048.11 standard for automatic transfer switches, ensuring safe and reliable operation in emergency power supply applications.

Key Features

  • Automatic transfer between Normal Power and Reserve Power without manual intervention
  • Three steady working states: Normal-on/Reserve-off, Normal-off/Reserve-on, both-off
  • Manual operating handle doubles as an emergency switch during blackout
  • Mechanical life 5,000 N-R-N cycles
  • Optional fire-control terminal variants (100–250A and 400–1250A) with DC24V fire alarm signal input/feedback

Technical Specifications

ParameterSpecification
Rated voltageup to AC 690V, 50/60Hz
Control supply voltage220V (switch controller)
Mechanical life (N-R-N cycle)5,000 times
Working states3 steady states (Normal ON / Reserve ON / both OFF)
Fire-control terminal (100–250A frame)6–7 way terminal block, DC24V fire signal input + feedback
Fire-control terminal (400–1250A frame)9-way terminal block, DC24V fire signal input + feedback
StandardGB/T 14048.11

Applications

Automatic dual-source switching for buildings and facilities that require fire-alarm-linked transfer control between normal and reserve power, up to 690V.

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.

Related products in Automatic Transfer Switch (ATS)

Need help selecting the right rating?

Send us your circuit requirements or a competitor part number — our engineers will match the exact model and quote within 24 hours.

Request a Quote Email an engineer
Voltalume Low-Voltage Switchgear & Controls

Low-voltage power protection & control for importers, distributors and OEMs worldwide.

Products

Company

Contact

© 2026 Voltalume. All rights reserved. Wenzhou / Yueqing, Zhejiang, China