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Description
Marinco 3021P Male 120-208V/30A Twist-Lock 5-Wire Inline Connector30A 3 Phase 120 208V Standard NEMA Locking Plug Specifications Item Plug, locking Rating 30 amperes, 120 208 volts, 3 phase Configuration NEMA L21 30P Materials Housing and plug body are nylon with CTI greater than 600 volts Terminals Line terminals are clamp type, with color coded, 10 32, brass terminal screws. Grounding terminal is set screw type Blades Line and neutral blades are solid brass 0. 070" thick. Grounding blade is a solid brass pin 0.
30A 3 Phase 120/208V Standard NEMA Locking Plug
Specifications
| Item | Plug, locking |
| Rating | 30 amperes, 120/208 volts, 3-phase |
| Configuration | NEMA L21-30P |
| Materials | Housing and plug body are nylon with CTI greater than 600 volts |
| Terminals | Line terminals are clamp-type, with color-coded, 10-32, brass terminal screws. Grounding terminal is set-screw type |
| Blades | Line and neutral blades are solid brass 0.070" thick. Grounding blade is a solid brass pin 0.187" nominal diameter |
| Cord Clamp | Internal, with removable insert to accommodate cable from .700" (12/5 S) through 1.150" (8/5 S). |
| Overall Design | Two assembly screws, U-drive style. All screws are combination slot/cross head. Dust seal at cord entry. Beveled housing. |
| Certifications | UL listed, File E57672 CSA certified, File LR81290 |
| Dimensions | 3.04" x 2.11" x 2.11" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Fits perfect and works as designed. Flows like OEM and looks well made.
Style: BE-553B 1-Pack
This filter is very comparable to the stock filter. Fits the BMW G20 just like OEM. I would not say it is two times "heavier" as advertised on the box, but it is very comparable to stock. It's the same weight and similar construction. BMW has a very robust cabin filter. This will be my go to. I did purchase another aftermarket cabin filter that fit well, but was thin, flimsy and had a bad chemical odor. This one is fine and airflow is the same as OEM. I change them every year or so. I don't worry too much about longevity with cabin filters personally.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 4
Good quality but it was slightly longer than original and needed modification.
Style: BE-182 1-Pack
Bought this cabin filter for a 2023 Acura TLX. While the filter seems to be made of quality material, it was just a little too long (about a 1/16 of an inch, so I had to trim it to make it fit so the cover would fit snug. I was able to do that without compromising the filter itself. But this might be an issue for some people
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Fits my Chevy 2021 Bolt Premier perfectly.
Style: BE-966 1-Pack
Installation was a breeze, fir nicely and the air in teh car now smells fresh and clean. The old filter has developed a musty smell so this new one is great. Had it replaced in under 3 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Fits perfectly for my 2017 VW Passat
Style: BE-373 1-Pack, Style: BE-373 1-Pack
Bought this for a fraction of the cost. An auto shop wanted to charge me $72.99 for a filter so I bought this Spearhead brand cabin filter and its the perfect size and its just as sturdy as the previous one the dealership had in the car. Not sure yet how the airflow is or if anything different as I have not driven in the car since it was replaced, but it appears to be a very high quality cabin filter for my car at a great price.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Good Quality Replacement for Lexus
Style: BE-285 1-Pack
Was a perfect fit for my 2016 Lexus NX200t. No tools required. Total of 5 minutes to install. Airflow is good after replacement and the activated charcoal seems to make a difference in reducing any smells from outside. Recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
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