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Generator controller - MEBAY ATS520

Generator controller - MEBAY ATS520

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The ATS 520 is a control module that monitors the parameters of a main grid, making it possible to detect faults and issue a start command to a generator set, and then control a transfer mechanism. It also allows monitoring and protection of a main source and of the generator by measuring their parameters.

$ 310.05 310.05 USD Tax Excluded

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Mebay ATS520 ATS Controller is the automatic transfer switch: it senses the mains failure, starts the set, transfers the load and returns it once the mains is stable.

Most ATS failures are not in the switch but in its logic: a drifting mains-sensing relay, an open control fuse or a cut signal wire. The symptom is a set that starts but never takes load.

Specifications and compatibility

Brand
MEBAY
Model
ATS520
Dimensions
225 x 165 x 75 mm
Weight
1.30 kg

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 ATS520; cross-check it against the one stamped on the removed part.

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

Brand MEBAY
Model ATS520
Dimensions 225 x 165 x 75 mm
Weight 1,30 kg