


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.
| Parameter | Specification |
|---|---|
| Rated voltage | up to AC 690V, 50/60Hz |
| Control supply voltage | 220V (switch controller) |
| Mechanical life (N-R-N cycle) | 5,000 times |
| Working states | 3 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 |
| Standard | GB/T 14048.11 |
Automatic dual-source switching for buildings and facilities that require fire-alarm-linked transfer control between normal and reserve power, up to 690V.
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 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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Low-voltage power protection & control for importers, distributors and OEMs worldwide.