I need a 12v plug for my norcold tek ii, model mrft3600. already bought a norcold plug, only to find it will not fit the recess. size of plug in mm?

This plug is 3/4 of an inch by 1/2 inch, approximately 19mm by 13mm. This plug will fit fridges with the 3 flat prongs, not the fridges with the round prongs. Also just to double check that you know, most of these fridges have a slider to switch between the 12v and 110v plugs. Let me know if you need more information and I’ll be happy to assist.

This looks like the wrong configuration for a norcold mrft 30

It fit my old norcold mrft 3400. It has a small 3 prong plug with rectangular prongs. The prong in the grounding position is turned perpendicular to the 2 next to each other.

What is the name for this type of 3-prong power plug?

It does not have a name. It is a design that the freezer manufacturers created and it is only found on Norcold, Engel and a few other brands of freezers.

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DC Power Cable for Engel, Norcold, and Older ARB freezers 12V Cord

Product ID: 81857010

Details

Brand
Powertech
Color
Red and black
Connector Gender
Male-to-Male
Plug Format
Type B
Voltage
12 Volts

⚡3-prong secure connection

📏10 feet extended reach

🔌12V heavy-duty power delivery

Description

🔋 Stay powered, stay cool—wherever the road takes you!

FREEDOM TO ROAM - Generous 10-foot length lets you position your freezer exactly where you want it.
PLUG PLAY SIMPLICITY - Designed specifically for 3 flat prong connectors—no guesswork, just perfect fit.
CIGARETTE LIGHTER READY - Fits standard cigarette plug sockets for effortless vehicle integration.
UNIVERSAL COMPATIBILITY - Works seamlessly with Engel, Norcold, and older ARB freezers—keep your classics alive.
POWER UP WITH CONFIDENCE - Heavy-duty 12V construction ensures reliable, long-lasting energy flow for your freezer.

This 12V DC power cable is engineered for Engel, Norcold, and older ARB freezers featuring 3 flat prong connectors. With a durable heavy-duty build and a 10-foot length, it plugs directly into cigarette lighter sockets, providing reliable power on the go. Perfect for professionals and adventurers who demand dependable freezer performance in their vehicles.

Specifications

ASIN	B01JVM9J86
Amperage	8 Amps
Best Sellers Rank	#927,779 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,303 in Freezer Parts & Accessories
Brand	Powertech
Color	Red and black
Connector Gender	Male-to-Male
Customer Reviews	4.5 4.5 out of 5 stars (64)
Item Length	120 Inches
Item Weight	0.56 Pounds
Manufacturer	Powertech
Mfr Part Number	PP-1984
Model Number	PP1984
Number Of Conductors	3
Number of Outlets	1
Plug Type	Type B
Power Cord Prong Count	3
UL Listed	No
Unit Count	1.0 Count
Voltage	12 Volts
Wattage	250 watts

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