Best in 7 days
![Guest 1.5A Maintainer Charger [2701A]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/63183XL.jpg?v=1643785968)
![Blue Sea 6004200 Single Circuit ON-OFF w/Locking Key - Black [6004200]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/64358XL.jpg?v=1643790265)
Pay in installments of $8.50 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Blue Sea 6004200 Single Circuit ON-OFF w/Locking Key - Black [6004200]Single Circuit ON OFF with Locking Key Black 300 Amps continuous rating for outboards and small gasoline or diesel engines Tin plated copper studs for maximum conductivity and corrosion resistance Studs accept 3 8" (M10) ring terminals 7 8" (22 mm) stud length accepts multiple cable terminals Blue Sea Systems one piece terminal stud design never loosens over time One piece stainless flange nuts ensure safe and secure connections Isolating cover
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
Discover Niche Categories That Outsell
Top-Converting Item to Boost Your Average Order
Best in 7 days
![Blue Sea 6004 Single Circuit ON-OFF w/Locking Key - Red [6004]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/64357XL.jpg?v=1643790251)
Best in 7 days
![Blue Sea 5502100 Class T Fuse Block w/Insulating Cover - 225 to 400A [5502100]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/64355XL.jpg?v=1643790235)
Best in 7 days
Best in 7 days
![Blue Sea 1839 M2 OLED Tank Monitor [1839]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/64341XL.jpg?v=1643790175)
4.5 ★★★★★
Based on 866 reviews
Sort
Product Reviews
★★★★★ 5
Great suit
Great quality and looks very expensive. Fits true to size
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
★★★★★ 3
to big, material cheep looking
Color: Ivory, Size: 12
to big, material cheep looking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Purple suite
Color: Lavender Purple, Size: 16, Color: Lavender Purple, Size: 16
Love it was perfect. The color was nice it was soft and the size was perfect . I bought the purple one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 1
The suit was ripped badly
Color: Ivory, Size: 6
It had rips all through
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 4
Not quite right for me!
Color: Sage Green, Size: 16
It’s not as high quality as I thought it would be 🤷🏾♀️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
