Mars 83905 Type 1/2 HVAC surge protective device, 120/240VMars 83905 Type 1/2 HVAC surge protective device, 120/240V
Mars 83905 Type 1/2 HVAC surge protective device, 120/240V
MarsSKU: 1264947

Mars 83905 HVAC Surge Protective Device, Type 1/2, 120/240V (Now DIAL 73021)

$83.82 Sold out

The Mars 83905 surge protective device guards compressors, control boards, sensors and ECM motors on 120/240V single (split) phase HVAC equipment. Power spikes and surges can damage these parts and cause costly repairs and downtime. The 83905 uses thermally protected MOV technology and green and red LEDs that show its status.

It comes in a weatherproof Type 4X enclosure with 18 in., 10 gauge pre-stripped leads, so it mounts on the side of the disconnect. Mars backs it with a 3-year warranty and a $7,500 connected equipment warranty.

The same product is now sold and shipped as the DIAL HVAC 73021 surge protection device.

⚠️ This item is being discontinued. Recommended Replacement: RectorSeal 96415 RSH-50 Surge Protective Device

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays. Upcoming Closures: 11/26 and 11/27

More Details

Product overview
  • Type: Type 1 or Type 2 SPD; UL 1449 4th Edition
  • Voltage: 120/240V single (split) phase, 50/60 Hz
  • Modes: L-L and L-G
  • MCOV: L-G 150V / L-L 300V
  • Voltage protection rating: L-G 700V / L-L 1200V
  • Short circuit current rating: 22,000 A
  • Enclosure: Type 4X weatherproof; cULus
  • Leads: 18 in., 10 ga, pre-stripped
  • Indicators: green and red LEDs
  • Warranty: 3 years; $7,500 connected equipment
Specifications
Manufacturer Part Number 83905
UPC 685744839057
Overall Dimensions 9-19/32 in W x 10-1/2 in H
Material n/a
Domestic or Import n/a
End Style n/a
Type Type 1/2
ADA Compliance n/a
Warning n/a
Standards and Approvals cULus Listed | UL 1449
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: Monday September 7, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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