Stop damaging power fluctuation

Shield your HVAC systems from electrical surges, brownouts, and voltage issues with our surge protection solutions. Our products safeguard against single surges of up to 120,000 amps and repetitive surges of up to 20,000 amps, ensuring the resilience of ducted/ductless A/C, heat pumps, heating systems, and entire households.

DUCTED/DUCTLESS A/C AND HEAT PUMPS

Advanced HVAC protection against single & repetitive electrical surges

The RSH-50 Series safeguards HVAC equipment from electrical surges, handling up to 50,000-amp single surges and 10,000-amp repetitive surges. As a Type 1 Device, it's versatile, allowing mounting anywhere in the electrical system for effective protection.

All single phase 120/240 VAC outside condensing units and indoor air handlers.

  • Long-Lasting Gas Discharge Tube Technology
  • TFMOV Technology (Thermally Fused Metal Oxide Varistors)
  • Green LED Easily Indicates Protection
  • Weather-Rated under NEMA 4
  • Fits All Single-Phase Units
  • UL 1449 Listed
  • NEC's highest Short Circuit
  • Current Rating (SCCR) @200kA
  • RoHS Compliant
DUCTED/DUCTLESS A/C AND HEAT PUMPS

Fortify Your HVAC System

The RSH-60 Series protects HVAC equipment from electrical surges, brownouts, and short cycling with capabilities of up to 60,000-amp single surges and 20,000-amp repetitive surges. As a Type 1 Device, it's versatile, mountable in any position within the electrical system, ensuring robust defense for HVAC systems.

Recommended for all single phase 120/240 VAC outside condensing units and indoor air handlers.

  • Dual Diagnostic LEDs and audible alarm
  • TFMOV (Thermally-Fused Metal Oxide Varistors)
  • Long-Lasting Gas Discharge Tube Technology
  • Mounting feet for stability
  • Weather-Rated NEMA 4X & IP 66
  • UL 1449 Listed
  • NEC's highest Short Circuit Current Rating (SCCR) @200kA
  • RoHS Compliant
  • Flush mount plates available
DUCTED/DUCTLESS A/C AND HEAT PUMPS

Voltage Protection Elevated

The RSH Voltage Range Monitoring (VRM) devices protect equipment from damage by overseeing voltage levels, with programmable cutoff ranges from 90V to 300V. They can also store data on up to 300 events, providing a comprehensive record for analysis and response. The RSH-50 VRMDC KIT model combines the VRM60A, RSH-50, & 60A disconnect breaker in a NEMA 3R enclosure, for an all-in-one equipment solution.

Recommended for all single phase 120/240V HVACR Equipment (AC, heat pumps, mini-split applications).

  • TFMOV (Thermally-Fused Metal Oxide Varistors)
  • Long-Lasting Gas Discharge Tube Technology
  • Over/under voltage detection range: 90V to 300V
  • Voltage cut-off delay range: 0.5 to 60 seconds
  • Load restore delay range: 1 to 600 seconds
  • Memory event storage: 300 events
WHOLE HOUSE PROTECTION

Enhanced reliability through whole home coverage

Install RSH-120 at the breaker box for whole-home protection against transient power surges, preventing malfunctions and equipment degradation. With a capacity for up to 120,000-amp single surges and 20,000-amp repetitive surges, it is a versatile Type 1 Device that can be mounted in any position for effective safeguarding.

Recommended for all single phase 120/240 VAC indoor facility breaker panel installation.

  • Dual Diagnostic LEDs and audible alarm
  • TFMOV (Thermally-Fused Metal Oxide Varistors)
  • Long-Lasting Gas Discharge Tube Technology
  • Type 1 SPD
  • Mounting feet provide additional stability
  • NEMA 4X & IP 66
  • Flush mount plates available
HVAC EQUIPMENT

Unit protection for ECM indoor motors

RSH-20 motor protectors shield ECM indoor motors from transient over-voltages and surges, enhancing motor durability and performance against electrical disturbances. Handling up to 20,000-amp single surges and 5,000-amp repetitive surges, these Type 4CA devices are mounted between the motor and power harness.

Recommended for use in all single phase 120/240 VAC ECM indoor motors: X-13/"X" Style, 5-PIN, Ensite, and Azure.

  • UL recognized
  • TFMOV technology for safety & performance
  • 3 modes of protection: L-G, N-G , L-N
  • Plug-n-Play for ease of installation
  • Diagnostic LED indicates protection