HOLIDAY ALERT

We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
Have a happy Easter weekend!

Weather Closure Alert

Due to severe weather, our White House, Tennesee location will be closed Wednesday the 19th.

All shipments from this location will resume on Thursday the 20th. Thank you for your patience!

WE WANT TO HEAR FROM YOU!

We strive to make improvements that make it easier to serve your boating needs.
We’d like to know more about you and how we can do the best job possible for you.
Please take the time to complete this brief 3-5 minute survey to help us serve you better.

FREE Ground Shipping on Orders over $100!  Exceptions apply - see details.

Toggle Nav
  • Sign In
  • Create an Account
My Cart
Search
Menu
Account
Settings

Circuit Breakers

9 Items

Set Descending Direction
View as List Grid
  1. Sierra CB50590 Surface Mount Circuit Breaker - 150A
    Surface Mount Circuit Breaker - 150A | Sierra CB50590
    SIERRA-CB50590
    Qty In Stock: 28
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $39.26
    Add to Wishlist
  2. Sierra CB50540 Surface Mount Circuit Breaker - 40A
    Surface Mount Circuit Breaker - 40A | Sierra CB50540
    SIERRA-CB50540
    Qty In Stock: 0
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $46.19
    Add to Wishlist
  3. Sierra CB50570 Surface Mount Circuit Breaker - 100A
    Surface Mount Circuit Breaker - 100A | Sierra CB50570
    SIERRA-CB50570
    Qty In Stock: 0
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $46.19
    Add to Wishlist
  4. Sierra CB50580 Surface Mount Circuit Breaker - 135A
    Surface Mount Circuit Breaker, 135 amp | Sierra CB50580
    SIERRA-CB50580
    Qty In Stock: 0
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $46.18
    Add to Wishlist
  5. Sierra CB50560 Surface Mount Circuit Breakers -80A
    Surface Mount Circuit Breaker - 80A | Sierra CB50560
    SIERRA-CB50560
    Qty In Stock: 0
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $46.19
    Add to Wishlist
  6. Single Flat Rocker Circuit Breaker | Sierra CB50330
    Single Flat Rocker Circuit Breaker | Sierra CB50330
    SIERRA-CB50330
    Qty In Stock: 0
    Brand: Sierra

    Single Flat Rocker Circuit Breaker

    Learn More
    MSRP: $44.99 $42.33
    Add to Wishlist
  7. Sierra CB52020 Circuit Surface Flush Mount 25A
    Surface Mount Circuit Breaker, 25 amp | Sierra CB50520
    SIERRA-CB50520
    Qty In Stock: 2
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $46.19
    Add to Wishlist
  8. Sierra CB50530 Surface Mount Circuit Breaker - 30A
    Surface Mount Circuit Breaker - 30A | Sierra CB50530
    SIERRA-CB50530
    Qty In Stock: 20
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $46.19
    Add to Wishlist
  9. Sierra CB50550 Surface Mount Circuit Breaker -50A
    Surface Mount Circuit Breaker, 50 amp | Sierra CB50550
    SIERRA-CB50550
    Qty In Stock: 22
    Brand: Sierra
    Sierra's thermal circuit breakers provide medium duty circuit protection for 25 to 200 Amp loads. These breakers are extremely useful when switching, circuit protection, ignition proctection are all required. Learn More
    MSRP: $52.99 $39.26
    Add to Wishlist

9 Items

Set Descending Direction
View as List Grid
Shop By
Shopping Options
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
© 2025 Marine Parts Source. All Rights Reserved.