APsmart Rapid Shut Down for SMA SunSpec protocal inverters

APsmart APSM-RSD-S-PLC-415 Rapid Shut Down PLC 1000V UL/TUV, 0.25m input/1.2m output cable, MC4 original, Mounting brackets - IP68 Compatble with SMA, some Yaskawa/Solectria PVI and other Certified compatible SunSpec protocol inverters. RSD-S-PLC meets SunSpec requirements, maintaining normal function by continually receiving a heart-beat signal from the APsmart Transmitter. The RSD executes rapid system shutdown when Transmitter signal is absent. Users can manually execute rapid shutdown using Transmitter breaker switch. Compatible with SMA inverters. Features: This product is supplied with MC4 connectors Shipping Dimensions: 5 x 1.2 x 0.5 in Manufacturer Warranty: 25 Years Rapid Shut Down PLC 1000V UL/TUV, 0.25m input/1.2m output cable, MC4 original, Mounting brackets - IP68 Compatble with SMA, some Yaskawa/Solectria PVI and other Certified compatible SunSpec protocol inverters.