Blue Sea Systems 7139 187-Series Circuit Breaker, Surface Mount, 50A

AMAZON.COM

$ 78.63

Last price was updated on: 18th Dec 2025, 12:21 PM

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Pricing Analytics & Buying Assistance

Price Score: Good

Poor Average Good Excellent

Current Price $78.63

$35.00

Lowest

$87.98

Highest

Buying Advice:
Good – Worth buying. 53% chance price goes up. Buy soon.

Price History Benchmarks

Lowest Ever

$35.00

12th Sep 2019

Highest Ever

$87.98

29th Jul 2022

Average Price

$65.56

512 data points

Last 3M Low

$70.88

13th Nov 2025

Last 6M Low

$64.13

13th Jul 2025

Last 12M Low

$64.13

28th Dec 2024

Price History Chart

Product Variants

$51.51

Blue Sea Systems 7183 285 Series Thermal Circuit Breaker, Surface Mount, 48V DC, 50A

$89.99

Blue Sea Systems 7149 187-Series Circuit Breaker, Surface Mount, 200A

$80.38

Blue Sea Systems 7035 187-Series Circuit Breaker, Panel Mount, 25A

$52.17

Blue Sea Systems 7080 285-Series Thermal Circuit Breaker, Panel Mount, 48V DC, 25A

$50.48

Blue Sea Systems 7084 285-Series Thermal Circuit Breaker, Panel Mount, 48V DC, 60A

$69.99

Blue Sea Systems 7046 187-Series Circuit Breaker, Panel Mount, 120A

$52.17

Blue Sea Systems 7088 285 Series Thermal Circuit Breakers, Panel Mount, 48V DC, 120A

$52.17

Blue Sea Systems 7182 285 Series Thermal Circuit Breaker, Surface Mount, 48V DC, 40A

$52.17

Blue Sea Systems 7181 285-Series Thermal Circuit Breaker, Surface Mount, 48V DC, 30A

$82.22

Blue Sea Systems 7142 187 Series Circuit Breaker, Surface Mount, 80A DC

$82.22

Blue Sea Systems 7148 187-Series Circuit Breaker, Surface Mount, 150A

$74.83

Blue Sea Systems 7036 187 Series Thermal Circuit Breaker, Panel Mount, 30A

$66.01

Blue Sea Systems 7143 187 Series Circuit Breaker, Surface Mount, 90A

$58.72

Blue Sea Systems 7180 285-Series Thermal Circuit Breaker, Surface Mount, 48V DC, 25A

$65.99

Blue Sea Systems 7048 187 Series Circuit Breaker, Panel Mount, 150A DC

$49.95

Blue Sea Systems 7083 285 Series Thermal Circuit Breaker, Panel Mount, 48V DC, 50A

$52.35

Blue Sea Systems 7082 285 Series Thermal Circuit Breaker, Panel Mount, 48V DC, 40A

$81.12

Blue Sea Systems 7141 187-Series Circuit Breaker, Surface Mount, 70A

$86.13

Blue Sea Systems 7144 187-Series Circuit Breaker, Surface Mount, 100A

$78.63

Blue Sea Systems 7139 187-Series Circuit Breaker, Surface Mount, 50A

$82.86

Blue Sea Systems 7138 187-Series Circuit Breaker, Surface Mount, 40A

$81.89

Blue Sea Systems 7146 187-Series Circuit Breaker, Surface Mount, 120A

$82.73

Blue Sea Systems 7136 187-Series Circuit Breaker, Surface Mount, 30A

$70.30

Blue Sea Systems 7135 187-Series Circuit Breaker, Surface Mount, 25A

$82.11

Blue Sea Systems 7043 187-Series Circuit Breaker, Panel Mount, 90A

$45.20

Blue Sea Systems 7189 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 150A

$80.38

Blue Sea Systems 7040 187 Series Circuit Breakers, Panel Mount, 60A DC

$44.29

Blue Sea Systems 7188 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 120A

$82.22

Blue Sea Systems 7038 187-Series Circuit Breaker, Panel Mount, 40A

$51.15

Blue Sea Systems 7184 285-Series Thermal Circuit Breaker, Surface Mount, 48V DC, 60A

$60.70

Blue Sea Systems 7044 187-Series Circuit Breaker, Panel Mount, 100A

$52.17

Blue Sea Systems 7185 285-Series Thermal Circuit Breaker, Surface Mount, 48V DC, 70A

$51.25

Blue Sea Systems 7086 285 Series Thermal Circuit Breakers, Panel Mount, 48V DC, 80A

$100.79

Blue Sea Systems 7049 187-Series Circuit Breaker, Panel Mount, 200A

$82.22

Blue Sea Systems 7042 187-Series Circuit Breaker, Panel Mount, 80A

$53.22

Blue Sea Systems 7186 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 80A

$52.17

Blue Sea Systems 7087 285 Series Thermal Circuit Breakers, Panel Mount, 48V DC, 100A

$52.05

Blue Sea Systems 7187 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 100A

$71.90

Blue Sea Systems 7041 187-Series Circuit Breaker, Panel Mount, 70A

$52.17

Blue Sea Systems 7085 285-Series Thermal Circuit Breaker, Panel Mount, 48V DC, 70A

$52.17

Blue Sea Systems 7081 285-Series Thermal Circuit Breaker, Panel Mount, 48V DC, 30A

$82.22

Blue Sea Systems 7140 187-Series Circuit Breaker, Surface Mount, 60A

$56.52

Blue Sea Systems 7089 285 Series Thermal Circuit Breakers, Panel Mount, 48V DC, 150A

$87.85

Blue Sea Systems 7039 187-Series Circuit Breaker, Panel Mount, 50A

Product Technical Information

Product Code	B000K2K71A
Market Place	amazon.com
Market Place Name	Amazon.com
Brand Name	Blue Sea Systems
Rating	4.8 ( 2408 ratings )
Category	Circuit Breaker

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for Blue Sea Systems 7139 187-Series Circuit Breaker Surface Mount 50A was $35.00 on 12th Sep 2019. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for Blue Sea Systems 7139 187-Series Circuit Breaker Surface Mount 50A was $87.98 on 29th Jul 2022. Prices have dropped since then.
What is the average price of this product? ▶

The average price for Blue Sea Systems 7139 187-Series Circuit Breaker Surface Mount 50A is $65.56 (512 data points). This helps you compare current deals.
What is the lowest price in the last 3 months? ▶

In the last 3 months, Blue Sea Systems 7139 187-Series Circuit Breaker Surface Mount 50A reached a low of $70.88 on 13th Nov 2025. Recent price trends may help you decide when to buy.
Should I buy this product now? ▶

Worth buying. The price is good, but you may wait for a better deal. 53% chance price goes up. Price may increase soon.