The Rectorseal RSH-50 Surge Protective Device (SPD) is designed to protect all single phase, 120/240-V air conditioning, heat pumps and ductless mini-split systems (DMSS) from transient over-voltage and natural-cause surges. The RSH-50 is recommended for residential or commercial use. Protects up to 50,000-amp single surges and up to 10,000-amp repetitive surges.
- Long-Lasting Gas Discharge Tube Technology
- TFMOV Technology
- Limited Lifetime Warranty
- Green LED Easily Indicates Protection
- Weather-Rated under NEMA 4X