-17% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Reset Flush Mount 150a #CB50590
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Reset Flush Mount 150a #CB50590 $48.62 $58.34
Sierra CB50590 Circuit Breakers Features 1/4" Stainless Steel Studs on the face of the circuit breaker for easy installation Connected terminal boots Combined use as a switch and circuit protection Standard safety 'Trip Free' feature so the switch cannot be held 'ON' Ignition-protected design for safe use in below-deck boat applications Flush Mount Resettable 150 Amp Interchange: Blue Sea 7148 Normalized SKU: CB50590UPC Code: 808282379438
-20% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Reset Flush Mount 50a #CB50550
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Reset Flush Mount 50a #CB50550 $84.51 $104.90
Sierra CB50550 Circuit Breakers Features 1/4" Stainless Steel Studs on the face of the circuit breaker for easy installation Connected terminal boots Combined use as a switch and circuit protection Standard safety 'Trip Free' feature so the switch cannot be held 'ON' Ignition-protected design for safe use in below-deck boat applications Flush Mount Resettable 50 Amp Interchange: Blue Sea 7139 Normalized SKU: CB50550UPC Code: 808282379391
-20% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Reset Flush Mount 80a #CB50560
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Reset Flush Mount 80a #CB50560 $84.51 $104.90
Sierra CB50560 Circuit Breakers Features 1/4" Stainless Steel Studs on the face of the circuit breaker for easy installation Connected terminal boots Combined use as a switch and circuit protection Standard safety 'Trip Free' feature so the switch cannot be held 'ON' Ignition-protected design for safe use in below-deck boat applications Flush Mount Resettable 80 Amp Normalized SKU: CB50560UPC Code: 808282379407
-20% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Reset Panel Mount 150a #CB50660
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Reset Panel Mount 150a #CB50660 $84.51 $104.90
Sierra CB50660 Circuit Breakers Features 1/4" Stainless Steel Studs on the back of the breaker Standard safety 'Trip Free' feature so the switch cannot be held 'ON' Ignition-protected design for safe use in below-deck boat applications 150 Amps Panel Mount Resettable Normalized SKU: CB50660UPC Code: 808282379506
-20% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Reset Panel Mount 40a #CB50610
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Reset Panel Mount 40a #CB50610 $84.51 $104.90
Sierra CB50610 Circuit Breakers Features 1/4" Stainless Steel Studs on the back of the breaker Standard safety 'Trip Free' feature so the switch cannot be held 'ON' Ignition-protected design for safe use in below-deck boat applications 40 Amps Panel Mount Resettable Normalized SKU: CB50610UPC Code: 808282379452
-20% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Reset Panel Mount 60a #CB50630
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Reset Panel Mount 60a #CB50630 $84.51 $104.90
Sierra CB50630 Circuit Breakers Features 1/4" Stainless Steel Studs on the back of the breaker Standard safety 'Trip Free' feature so the switch cannot be held 'ON' Ignition-protected design for safe use in below-deck boat applications 60 Amps Panel Mount Resettable Normalized SKU: CB50630UPC Code: 808282379476
Sold out -17% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Resettable 40 A 24v #CB45240 $11.66 $13.91
Sierra CB45240 Circuit BreakersSierra Circuit Breaker Resettable 40 A 24v #CB45240Normalized SKU: CB45240UPC Code: 808282360368
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Circuit Breaker Resettable 50 A 24v #CB45250
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Resettable 50 A 24v #CB45250 $11.61 $13.86
Sierra CB45250 Circuit BreakersSierra Circuit Breaker Resettable 50 A 24v #CB45250Normalized SKU: CB45250UPC Code: 808282360382
Sold out -17% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Resettable 50 A 24v #CB60010 $50.48 $60.57
Sierra CB60010 Circuit BreakersSierra Circuit Breaker Resettable 50 A 24v #CB60010Normalized SKU: CB60010UPC Code: 808282360344
Sold out -17% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Double Pole 100a #CB50510
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Double Pole 100a #CB50510 $8.03 $9.58
Sierra CB50510 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Double Pole, 100A Normalized SKU: CB50510UPC Code: 808282379353
Sold out -17% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Double Pole 150a #CB50380
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Double Pole 150a #CB50380 $10.68 $12.75
Sierra CB50380 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Double Pole, 150A Normalized SKU: CB50380UPC Code: 808282379193
Sold out -17% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Double Pole 200a #CB50390
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Double Pole 200a #CB50390 $10.68 $12.75
Sierra CB50390 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Double Pole, 200A Normalized SKU: CB50390UPC Code: 808282379209
Sold out -17% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Double Pole 50a #CB50490
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Double Pole 50a #CB50490 $8.03 $9.58
Sierra CB50490 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style 50A Normalized SKU: CB50490UPC Code: 808282379339
Sold out -16% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 100a#CB50370
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 100a#CB50370 $4.69 $5.52
Sierra CB50370 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Single Pole, 100A Normalized SKU: CB50370UPC Code: 808282379186
Sold out -16% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 10a #CB50310
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 10a #CB50310 $4.69 $5.52
Sierra CB50310 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-Magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Single Pole, 10A Normalized SKU: CB50310UPC Code: 808282379124
Sold out -16% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 20a #CB50320
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 20a #CB50320 $4.69 $5.52
Sierra CB50320 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Single Pole, 20A Normalized SKU: CB50320UPC Code: 808282379131
Sold out -15% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 20a #CB50480
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 20a #CB50480 $5.75 $6.76
Sierra CB50480 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style 20A Normalized SKU: CB50480UPC Code: 808282379322
Sold out -16% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 30a #CB50330
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 30a #CB50330 $4.69 $5.52
Sierra CB50330 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Single Pole, 30A Normalized SKU: CB50330UPC Code: 808282379148
Sold out -17% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 30a #CB50500
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 30a #CB50500 $8.03 $9.58
Sierra CB50500 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Double Pole, 30A Normalized SKU: CB50500UPC Code: 808282379346
Sold out -16% sale
Sierra Qualifies for Free Shipping Sierra Circuit Breaker Rocker Single Pole 50a #CB50340
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Circuit Breaker Rocker Single Pole 50a #CB50340 $4.69 $5.52
Sierra CB50340 Circuit Breakers Compatible with AC and DC circuits Exact OEM replacement for many top brands The hydraulic-magnetic trip mechanism will not trip by surges caused by start-up currents Standard safety "Trip Free" feature so the switch cannot be held "ON" Flat Rocker Style Single Pole, 50A Normalized SKU: CB50340UPC Code: 808282379155

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.

© 2026 First Choice Marine.