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Transfer switch - ATS

Transfer switch - ATS

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Transfer Switch (ATS) switches the load between mains and generator: it monitors the mains, commands the start, transfers, and re-transfers with a delay so the set is not shocked.

In contactor-based ATS the wear is in the main contacts and the mechanical interlock. In motorised-breaker ATS it is the charging motor and the limit switches. Knowing which one your panel uses tells you what to keep in stock.

Specifications and compatibility

Brand
BCP
Model
BCQ3-3200 PC 3200A/4P
Voltage (V)
220 VAC
Country of origin
China

How to verify before ordering

  • Match the number of poles, the rated current and the switching type (contactor or motorised breaker).
  • Check the ATS control voltage: 110 V, 220 V or 24 V depending on the panel it goes into.
  • Confirm whether neutral is switched. On installations with a distributed neutral this is mandatory.
  • The reference shown on this listing is BCQ3-3200 PC 3200A/4P; cross-check it against the one stamped on the removed part.
  • Declared origin: China. Check this if your purchase requires a specific origin.

Frequently asked questions

The set starts but the load is not transferred. What do I check?

The signal first: mains-sensing relay, control fuse and the wiring between ATS and set. Then the interlock: if the mains contactor does not release, the generator contactor will not close, by design.

Can I fit an ATS of another brand?

Yes, as long as control voltage and logic are compatible with the set panel. With a controller-based set, the ATS must accept that controller transfer signal.

Related parts

See the spare parts catalogue or request a quotation quoting the equipment reference. Third-party trademarks are cited for identification purposes only.

Specifications

Model BCQ3-400 PC 400/4P, BCQ3-630 PC 500A/4P, BCQ3-2500 PC 2500A/4P, BCQ3-1000 PC 800A/4P, BCQ3-1000 PC 1000A/4P, BCQ3-1250 PC 1250A/4P, BCQ3-800 PC 800A/4P, BCQ3-1600 PC 1600A/4P, BCQ3-630 PC 630A/4P, BCQ3-2000 PC 2000A/4P, BCQ3-3200 PC 3200A/4P, BCQ3-100 PC 80/4P, BCQ3-100 PC 100/4P, BCQ3-160 PC 160/4P, BCQ3-250 PC 200/4P, BCQ3-250 PC 250/4P, BCQ3-400 PC 315/4P
Voltage (V) 110 VAC, 220 VAC
Brand BCP
Country of Origin China
Frequency (Hz) 50Hz, 60Hz