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LED lighting, 12-volt, indoor

  • South Africa South Africa  
  • Quantity Required: 50
  • Last Updated:
    Posted on: 07 Oct 2020

  • Destination Port: Cape Town, South Africa

RFQ Details

I require dimmable cool-white or neutral-white, low-voltage LED lamps for indoor residential use, similar in size (2 inch/ 50 mm diameter) and shape to to MR16 lamps. At least 300 lumens flux is needed per lamp. I would prefer the lamps to be powered by a separate 12 volt constant-current source, so that groups of three lamps, connected in series, can be dimmed together. Ideally the lamps would be based on the new Cree XP-G LED.

The constant-current source (up to 1.5 amps at a nominal 12 volts) must be operable either from the 230V 50 Hz AC mains, or from a 13.2 V DC supply.

The requirement is for high-efficiency domestic lighting which normally operates on a 230 V 50Hz supply through a transformer and rectifier in the ordinary way; but which can rapidly be switched over to a 13.2 volt lead-acid accumulator backup system if power is interrupted.

We have a contract to equip one new house (shortly to be built) in this manner; but we anticipate considerable later demand for such products, in view of the local electricity utility being unable to meet peak-hour demand for electricity in winter.

The requirement is for 50 lamps in the first instance.

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