X3 12V Relay Replacement – 40A 14VDC 4-Pin Switch
X3 12V Relay Replacement – 40A 14VDC 4-Pin Switch
X3 12V Relay Replacement – 40A 14VDC 4-Pin Switch
X3 12V Relay Replacement – 40A 14VDC 4-Pin Switch
X3 12V Relay Replacement – 40A 14VDC 4-Pin Switch

Nomadic Cooling

X3 12V Relay Replacement – 40A 14VDC 4-Pin Switch

Pickup available at HQ 4-Elkhart, IN

Usually ready in 2-4 days

Pairs well with

Product Details

Replacement Relay for NC-X3 12V Rooftop A/C

Restore proper electrical function to your NC-X3 12V rooftop air conditioner with this replacement 40A relay switch. Designed specifically for Nomadic’s X3 unit, this 14VDC 4-pin relay ensures reliable connectivity and efficient performance in off-grid and mobile environments.

Whether you’re replacing a failed relay or keeping a spare on hand, this genuine component keeps your system operating at peak efficiency.

Compatible only with 12V X3 units. Not for 24V or 48V systems.

Key Features & Benefits

  • OEM-Grade Reliability: Direct replacement for Nomadic Cooling NC-X3 12V A/C systems.
  • 40A Rating at 14VDC: Handles high-current switching with confidence.
  • 4-Pin Configuration: Standard fitment for quick replacement and secure installation.
  • Compact Size: Easily fits within the existing control box enclosure.
  • Spare-Part Friendly: Ideal for carrying a backup relay on long trips or remote builds.

Frequently Asked Questions

Q: Is this relay compatible with the 24V or 48V NC-X3 models?
A: No. This relay is only compatible with 12V NC-X3 units. Using it on other voltage systems may cause damage.

Q: How do I know if I need to replace my relay?
A: Common symptoms include intermittent cooling, a non-starting compressor, or visible damage to the original relay. Consult a technician if unsure.

Q: Is this an official Nomadic Cooling part?
A: Yes. This relay matches the original specification for NC-X3 12V models.