RectorSeal 96415 RSH-50 Surge Protective Device 120/240V Single-Phase HVAC

The RectorSeal RSH-50 Surge Protective Device (SPD) is a Type 1 surge protector designed to safeguard single-phase 120/240V air conditioning systems, heat pumps, and ductless mini-split systems from transient over-voltage and natural-cause power surges. Built for both residential and commercial applications, this compact unit provides robust protection against electrical damage caused by lightning strikes, utility switching, and unstable power conditions.

Advanced Protection Technology:

• Long-lasting Gas Discharge Tube (GDT) technology combined with Thermally Fused Metal Oxide Varistor (TFMOV) technology
• Protects against up to 50,000-amp single surges (1 hit) and 10,000-amp repetitive surges (15 hits)
• 200kA Short Circuit Current Rating (SCCR) - the highest rating recommended by the NEC
• UL 1449 listed for safety and reliability
• NEMA 4X weather-rated enclosure for indoor or outdoor installation

Installation and Operation:

• Easy to wire and install in electrical panels or wall-mounted applications
• Can be mounted in any position for installation flexibility
• Green LED indicator light clearly displays proper operation and protection status
• Compact dimensions: 4.4" x 1.62" x 1.6" for space-saving installation

The RSH-50 includes thermally fused MOVs built directly into the unit for enhanced safety. Backed by a limited lifetime warranty, this surge protective device delivers superior HVAC equipment protection and peace of mind.