Mounting Hole Dimensions of a 30 Amp SmartPlug RV Power Inlet
Updated 05/25/2026 | Published 05/21/2026
Products Featured in This Question
Question:
I have a 2025 Grand Design Serenova that has 50A inlet. I want to swap over to 30A due to the lighter cable. I don’t need 50A due to the soon to be installed Bluetti RV5 system. Will a 30A Smart Plug inlet match up to the same screw mounts of the OEM 50A inlet?
asked by: Jamie B
Expert Reply:
Hey Jaime, welcome back! I can give you the dimensions of the 30 Amp SmartPlug RV Power Inlet item # SM97FR so you can compare them to the ones on your 50 amp power inlet but I can't tell you if it's going to match up to the holes. I don't have anyway of knowing what brand 50 amp inlet you have. SmartPlug markets their power inlets as being able to match standard twist-lock inlet footprints but I strongly recommend taking some measurements to confirm.
The mounting holes are spaced 2.44" apart both vertically and horizontally on the 30 Amp SmartPlug RV Power Inlet item # SM97FR. The holes are .18" in diameter. Overall the whole inlet is 4-1/2" tall x 3-1/4" wide x 3-3/4" deep. The width is measured from the widest point with the weather cover.
We also have the 30 Amp SmartPlug RV Power Inlet item # SM37FR in gray or white item # SM57FR.
If you have any additional questions, go ahead and click on the box that says Add Comment and I'll be happy to answer them.
(click to enlarge)
Product Page this Question was Asked From
SmartPlug RV Power Inlet - 30 Amp - Black
- RV Power Inlets
- Power Inlets
- 30 Amp
- Plastic
- Standard Connector
- Black
- SmartPlug
more information >
Continue Researching
- Shop: Waltech Vision 2.0 RV Thermostat and Wireless Control Hub - Bluetooth
- Q&A: 90 Degree Angled SmartPlug Connector For Inlet
- Q&A: Recommended SnapPads for Lippert Quick Drop Stabilizer Jacks
- Article: 30-Amp and 50-Amp RV Service: What's the Difference?
- Q&A: How To Check Tongue Weight Of Multiple Trailers In The Yard?
- Q&A: Distance Between Mounting Holes on SmartPlug RV Power Inlet
- Q&A: Recommended 30 Amp SmartPlug Angled RV Power Cord
- Q&A: Recommended Standard Height Replacement Toilet in Porcelain White
- Q&A: Does the Dometic 410 RV Toilet DMC44JF Come w/ a Flange Seal?
- Article: Best Hitch Cargo Carriers
- Article: Trailer Wiring Diagrams
- Article: Brake Controller Installation: Starting from Scratch
- Article: How Much Solar Power Do I Need For My RV?
- Article: Keep Your Daydream
- Article: Thank you!