How to Calculate Circuit Breaker Size

Compare Products

Choose upto 5 items for side by side feature comparison

Wishlist

Go to collections

Show filters

Shop How to Calculate Circuit Breaker Size

Sponsored

240 V · Cost-Effective · Superior Quality

Circuit Breaker Lockout - Standar…

$13.00

$13.00 / 1 ct

Uline

Circuit Breaker Lockout - Oversiz…

$16.00

$16.00 / 1 ct

Uline

Circuit Breaker Cable Padlock - …

$16.00

$16.00 / 1 ct

Uline

14 kA · 30 A · Plug-in · Thermal-Magnetic

General Electric TEY330 3 Pole Ci…

$199.99

SuperBreakers.com

5.0

18 kA · 30 A · Miniature

Square D EDB34030 3 Pol…

$274.00

SuperBreakers.com

Square D EGB34020 3 Pol…

Eaton/Cutler-Hammer ED3125 …

Square D FA36090 3 Pole Circuit Bre…

Square D FC34020 3 Pole Circuit Bre…

$388.29

SuperBreakers.com

Generator Interlock Kit, Outdoor And I…

P1X30MC250AT - Siemens Panel B…

$561.00

Electrical.com

Noark B1N2D20 Circuit Breakers

$36.87

Wolf Automation …

Square D PJA36120U44A …

$10,387.98

SuperBreakers.com

10 kA · 120 V · 20 A · Plug-in

Square D QO120 1 Pole Circuit Breaker

$6.96

SuperBreakers.com

5.0

Noark B1N2B2 Circuit Breakers

$38.11

Wolf Automation …

29 % price drop

Square D HDL36150 3 Pol…

$696.00

SuperBreakers.com

General Electric TED134020 3 Pol…

800 AMP MAIN LUG I-LINE Squar…

Square D LAL36400 3 Pole Circuit Bre…

$891.07

SuperBreakers.com

29 % price drop

Square D HDL36150 3 Pol…

$696.00

SuperBreakers.com

General Electric TED134020 3 Pol…

Square D LAL36400 3 Pole Circuit Bre…

$891.07

SuperBreakers.com

Refurbished

Square D EHB34030 3 Pol…

$748.99

SuperBreakers.com

Square D QOB350 3 Pole Circuit Bre…

Square D FH36060 3 Pole Circuit Bre…

$529.98

SuperBreakers.com

Noark B1N2B2 Circuit Breakers

$38.11

Wolf Automation …

Square D JDA36200 3 Pole …

Eaton/Cutler-Hammer GHB310…

Eaton/Cutler-Hammer GHB302…

$323.50

SuperBreakers.com

5.0

10 kA · 120 V · 20 A · DIN Rail

Square D QOU120 1 Pole Circuit Bre…

800 AMP MAIN LUG I-LINE Squar…

$14,411.50

eBay.com

Square D JDL36200 3 Pole Circuit Bre…

$991.99

SuperBreakers.com

5.0

Eaton/Cutler-Hammer BAB306…

$94.93

SuperBreakers.com

31 % price drop

Square D QBL32100 3 Pol…

$463.60

SuperBreakers.com

Showing 1 - 36 out of 172 results for "how to calculate circuit breaker size"
Sort by:
Featured
Featured
Price - High To Low
Price - Low To High
1. Saved
  Save to wishlist
  Circuit Breakers
  $0.82
  Y
  Yuplay.com
  Free shipping
2. Saved
  Save to wishlist
  Circuit Breaker
  $145.74
  A
  Amazon.com
3. Saved
  Save to wishlist
  Used
  Box Of Assorted Circuit Breakers V…
  $50.00
  U
  US eBay
  Free shipping
4. Saved
  Save to wishlist
  SALE
  CIRCUIT BREAKERS 15AMP
  $15.57
  $18.68
  A
  American Copper & Brass
5. Saved
  Save to wishlist
  Noark B1E3D25 Circuit Breakers
  $43.12
  W
  Wolf Automation - Production
6. Saved
  Save to wishlist
  Noark B1N2C30 Circuit Breakers
  $36.87
  W
  Wolf Automation - Production
7. Saved
  Save to wishlist
  4.8
  ·
  4
  4.8
  4 ratings
  QOB315 Schneider Electric
  $132.96
  W
  WiAutomation US
8. Saved
  Save to wishlist
  ST203M-K50 ABB Miniature Circuit …
  $170.24
  O
  Onlinecomponents.com
9. Saved
  Save to wishlist
  4.8
  ·
  49
  4.8
  49 ratings
  Square D QO 15 Amps Standard 2-…
  $35.99
  A
  Ace Hardware
10. Saved
  Save to wishlist
  4.4
  ·
  71
  4.4
  71 ratings
  Square D Homeline 100 Amps 120/…
  $129.99
  A
  Ace Hardware
11. Saved
  Save to wishlist
  4.6
  ·
  56
  4.6
  56 ratings
  Siemens QF120A 1-Pole GFCI Circ…
  $63.31
  S
  SupplyHouse.com
12. Saved
  Save to wishlist
  5
  ·
  5
  5
  5 ratings
  QOB370 Bolt On Circuit Breakers B…
  $79.00
  B
  Breaker Outlet
13. Saved
  Save to wishlist
  4.8
  ·
  33
  4.8
  33 ratings
  Square D QO 20-Amp 2 -Pole Stan…
  $40.98
  L
  Lowe's
14. Saved
  Save to wishlist
  4.7
  ·
  71
  4.7
  71 ratings
  Eaton 20 Amps Single Pole Circuit …
  $74.99
  A
  Ace Hardware
15. Saved
  Save to wishlist
  4.6
  ·
  92
  4.6
  92 ratings
  GE 20-Amp 1 -Pole Standard Trip C…
  $7.78
  L
  Lowe's
16. Saved
  Save to wishlist
  Refurbished
  THQD32150 Main Circuit Breakers …
  $1,288.00
  B
  Breaker Outlet
17. Saved
  Save to wishlist
  4.5
  ·
  148
  4.5
  148 ratings
  Square D Homeline 15-Amp/15-Am…
  $15.68
  L
  Lowe's
18. Saved
  Save to wishlist
  Square D JDA36175 3 Pole Circuit …
  $1,299.99
  S
  SuperBreakers.com
19. Popular
  Highest clicks by users
  See all
  Saved
  Save to wishlist
  4.7
  ·
  124
  4.7
  124 ratings
  Eaton 15 Amps Combination AFCI …
  $69.99
  A
  Ace Hardware
20. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H3PC10 …
  $87.36
  U
  UTMEL
21. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H2PC10 …
  $64.21
  U
  UTMEL
22. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H1PC10 …
  $33.55
  U
  UTMEL
23. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H3PC15 …
  $98.06
  U
  UTMEL
24. Saved
  Save to wishlist
  Circuit Breaker
  $1,400.00
  U
  US eBay
  Free shipping
25. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H1PC5 C…
  $33.55
  U
  UTMEL
26. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H1PC8 C…
  $33.55
  U
  UTMEL
27. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H1PC15 …
  $35.31
  U
  UTMEL
28. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H3PC13 …
  $87.36
  U
  UTMEL
29. Saved
  Save to wishlist
  4.7
  ·
  40
  4.7
  40 ratings
  Square D QOB330 3 Pole Circuit Br…
  $87.99
  S
  SuperBreakers.com
30. Saved
  Save to wishlist
  Carlo Gavazzi Inc. GMB63H3PC20 …
  $103.22
  U
  UTMEL
31. Saved
  Save to wishlist
  4.4
  ·
  46
  4.4
  46 ratings
  Square D Homeline 30-Amp 2 -Pol…
  $119.00
  L
  Lowe's
32. Saved
  Save to wishlist
  4.5
  ·
  258
  4.5
  258 ratings
  Square D Homeline 20-Amp 1 -Pol…
  $56.98
  L
  Lowe's
33. Saved
  Save to wishlist
  4.6
  ·
  49
  4.6
  49 ratings
  Square D QO 15-Amp 1 -Pole Stan…
  $16.98
  L
  Lowe's
34. Saved
  Save to wishlist
  4.5
  ·
  262
  4.5
  262 ratings
  Eaton Type BR 20-Amp 2 -Pole Sta…
  $20.48
  L
  Lowe's
35. Saved
  Save to wishlist
  4.5
  ·
  173
  4.5
  173 ratings
  GE Q-Line 40 Amps Standard Singl…
  $9.99
  A
  Ace Hardware
36. Saved
  Save to wishlist
  4.7
  ·
  304
  4.7
  304 ratings
  Siemens QP 30-Amp 2 -Pole Stand…
  $18.88
  L
  Lowe's
Oops! We are sorry, something went wrong.
Continue your shopping by clicking on another product
Product added to your wishlist! View wishlist
Sign in to see your saved products on any device
Product removed from your wishlist! View wishlist
Sign in to see your saved products on any device
Something went wrong. Please try again later.
Product is added to compare already. Please refresh the page.
Product is not found in compare. Please refresh the page.
5 Products already added. Please delete existing selection to add this.
Sponsored
✕
Learn how your ads are chosen
amazon.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Amazon.com Services, Inc
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
essentialparts.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Essential Electric
Location: United States
See more ads from this advertiser on Bing.
wolfautomation.com
Why you're seeing this ad?
Your current search
The gender you selected in your Microsoft account and your search history
Advertiser Details
Name: Marshall Wolf Automation
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
superbreakers.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Brekaers & Controls NJ, Inc.
Location: United States
See more ads from this advertiser on Bing.
resllcstore.com
Why you're seeing this ad?
Your current search
The gender you selected in your Microsoft account and your search history
The birthdate you shared in your Microsoft account and your search history
Advertiser Details
Name: Reyes Electrical Solutions LLC
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
www.ebay.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: RedBrain Limited
Location: United Kingdom
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
electrical.com
Why you're seeing this ad?
Your current search
The gender you selected in your Microsoft account and your search history
Advertiser Details
Name: Electrical.com
Location: United States
See more ads from this advertiser on Bing.
Ad settings
SIEMENS S4260L3225 225 …
$326.17
Amazon.com
4.5
·
142
HJD3250 - Cutler Hammer 250 Am…
$2,273.83

$14,124.27
Essential Electric …
5.0
·
1
Noark B1E3B35 Circuit Breakers
$41.88
Wolf Automation …
14 kA · 40 A · Thermal-Magnetic
General Electric TEY340 3 Pole Ci…
$211.49
SuperBreakers.com
4.5
·
6
Square D QO130L200PG, 2…
$144.32
RES LLC Store M…
Free shipping
Used
Square D 1200 Amp 208V Main I Line …
$15,414.27
eBay.com
Free shipping
Noark B1N3B32 Circuit Breakers
$56.18
Wolf Automation …
Square D HGA36030 3 Pol…
$646.99
SuperBreakers.com
5.0
·
1
10 kA · 20 A · Fits perfectly
General Electric THQL1120 1 Pol…
$7.95
SuperBreakers.com
4.5
·
430
10 kA · 120 V · 20 A · Easy to use · Works well
Square D QOB120 1 Pole Circuit Bre…
$15.14
SuperBreakers.com
4.5
·
46
Refurbished
Eaton/Cutler-Hammer ED3225 …
$429.95
SuperBreakers.com
5.0
·
1
10 kA · 120 V · 20 A · Plug-in
Eaton BRP120DF Br Dual Function …
$47.00
Amazon.com
4.5
·
157
Leviton Dual-Function AFCI/GF…
$28.99
Amazon.com
4.5
·
937
200 A · 240 V · Cost-Effective · Exact fit · Long-lasting
TQD22200WL - General Electric 2…
$589.01
Essential Electric …
4.5
·
71
UFC3250G - Siemens Breaker …
$5,985.00
Electrical.com
CH22B100CRN - Cutler Hammer Ci…
$379.85

$940.00
Essential Electric …
BGA260202 - Square D 20 Am…
$575.47

$1,204.00
Essential Electric …
Blue Sea Systems Push Button Rese…
$7.99
Amazon.com
4.5
·
609
FDB3125L - Cutler Hammer 125A 60…
$820.85

$3,489.79
Essential Electric …
Used
Square D Masterpact NW16…
$17,000.00
eBay.com
Free shipping
- 1
- 2
- 3
- 4
- 5

Show Only

Brand

Price

Material

Seller

Shop How to Calculate Circuit Breaker Size