| Voltage | 120/240V, Single (Split) Phase, 50/60Hz |
| Short Circuit Current Rating | 22,000 Amps |
| MCOV | L-N 150V / L-L 330V |
| Voltage Protection Rating | L-N 800V / L-L 1200V |
| Enclosure | Weatherproof NEMA 4X |
| Leads | 18" pre-stripped leads |
| Status Indicators | Green & Red LED |
| Technology | Thermally Protected MOVs |
| Compliance | UL 1449 4th Edition; Type 1 or 2 Surge Protection Rating |
| Warranty | 3 Year Product Warranty; $7,500 Connected Equipment Warranty |
Overview
The MARS 83905 Surge Protective Device is designed to protect HVAC equipment from power spikes, surges, and transients. Power spikes and surges can damage compressors, control boards, sensors, and ECM motors, resulting in costly repairs and downtime. This device utilizes Thermally Protected MOV technology to provide safe and reliable surge protection.
Protects compressors, heat pumps, inverter boards (ideal for ductless systems), ECM motors, control boards, transformers, relays, and sensors.
Features
- Easy installation to disconnect
- Weatherproof NEMA 4X enclosure
- 18" pre-stripped leads
- Green & Red LED status indicators
- Thermally protected MOVs
- 120/240V single (split) phase, 50/60Hz
- Short circuit current rating of 22,000 Amps
- UL 1449 4th Edition listed; Type 1 or 2 surge protection rating
- 3-year warranty with $7,500 connected equipment warranty
What's Included
- HVAC Surge Protective Device
Specifications
| Voltage | 120/240V, Single (Split) Phase, 50/60Hz |
| Short Circuit Current Rating | 22,000 Amps |
| MCOV | L-N 150V / L-L 330V |
| Voltage Protection Rating | L-N 800V / L-L 1200V |
| Enclosure | Weatherproof NEMA 4X |
| Leads | 18" pre-stripped leads |
| Status Indicators | Green & Red LED |
| Technology | Thermally Protected MOVs |
| Compliance | UL 1449 4th Edition; Type 1 or 2 Surge Protection Rating |
| Warranty | 3 Year Product Warranty; $7,500 Connected Equipment Warranty |
Details
Overview
The MARS 83905 Surge Protective Device is designed to protect HVAC equipment from power spikes, surges, and transients. Power spikes and surges can damage compressors, control boards, sensors, and ECM motors, resulting in costly repairs and downtime. This device utilizes Thermally Protected MOV technology to provide safe and reliable surge protection.
Protects compressors, heat pumps, inverter boards (ideal for ductless systems), ECM motors, control boards, transformers, relays, and sensors.
Features
- Easy installation to disconnect
- Weatherproof NEMA 4X enclosure
- 18" pre-stripped leads
- Green & Red LED status indicators
- Thermally protected MOVs
- 120/240V single (split) phase, 50/60Hz
- Short circuit current rating of 22,000 Amps
- UL 1449 4th Edition listed; Type 1 or 2 surge protection rating
- 3-year warranty with $7,500 connected equipment warranty
What's Included
- HVAC Surge Protective Device
Manuals
Frequently Asked Questions
Who do you sell to?
We sell exclusively to licensed HVAC contractors and industry professionals. Professional installation by a licensed technician is recommended to ensure proper installation, system performance, code compliance, and maximum manufacturer warranty coverage.
What brands do you carry?
We specialize in high performance brands like Cooper and Hunter along with ductless and mini split systems that meet California low GWP and energy compliance standards. We also stock trusted installation and service brands including NAVAC, RectorSeal, Fieldpiece, Armbridge, Olmo, and Diversitech.
Do you stock equipment locally?
Yes. We have a ton of equipment and accessories in stock across the Bay Area and Sacramento, available for local pickup or freight shipping. More locations coming soon.
Can I get help sizing a system?
Absolutely. We help contractors with equipment selection, line set sizing, refrigerant matchups, and other technical questions. Reach out via phone or email for support.
Do you offer volume discounts?
Yes. We offer contractor pricing and volume breaks for bulk orders. Reach out directly if you're planning a multi-unit install or need project pricing.
Do you help with warranty claims?
Yes, you will need to first reach out to the Cooper & Hunter Technical Support line 1 800-977-0722 to go through troubleshooting, and if it is determined to be a defective unit, we will work with the manufacturer and you as the customer to source you a replacement unit under warranty. If it is determined to need replacement parts, you as the customers will work with Cooper & Hunter to source replacement parts.
Can I buy online?
Yes. As long as you have a licensed contractor account with us, you can place orders online for delivery or pickup at any of our branch locations.
What makes CoolMan different?
We’re not just a supplier — we’re a partner. We know the ductless business, we understand California codes, and we move fast to help you win jobs and keep clients happy.
