https://kinectsolar.com/product/sunspec-apsmart-rsd-s-single-1-to-1-rapid-shutdown-device/
SunSpec APsmart RSD-S single (1-to-1) rapid shutdown device - Kinect Solar
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https://directenergypartners.com/products/pv-module-dual-rapid-shutdown-device-rsd-d-20-67e67cf5bb3069948d8fa240
PV module dual rapid shutdown device | RE+Source PRO
The DC Microgrid Platform Company
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