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  1. Home
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  5. Circuit Protection

Circuit Protection (3,500+ items) - Page 3

Square D Handle Padlock Attachment, Square D QO and QOB Miniature Circuit Breakers, 125A QO1PL
Square D

Handle Padlock Attachment, Square D QO and QOB Miniature Circuit Breakers, 125A

Zoro # G2155833
Mfr # QO1PL
product price:  $10.40
/ea
Square D Trim Clamps, Square D NQOD Panelboards, 400A/600A LP9501
Square D

Trim Clamps, Square D NQOD Panelboards, 400A/600A

Zoro # G3316065
Mfr # LP9501
product price:  $27.55
/ea
Square D Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC QOB230
SQUARE D QO Standard Bolt On Miniature Circuit Breaker
126 results
table view View Items
Square D Mounting Base, Square D QO, QO GFI and QO EPD Circuit Breakers Use With, 120/240V AC, 70A QON24L70
Square D

Mounting Base, Square D QO, QO GFI and QO EPD Circuit Breakers Use With, 120/240V AC, 70A

Zoro # G1206931
Mfr # QON24L70
product price:  $50.15
/ea
Square D Miniature Circuit Breaker, HOMELINE Series, 30A, 2 Pole, 240V AC, 10kA at 240V AC HOM230
SQUARE D HOMELINE Standard Plug In Miniature Circuit Breaker
52 results
table view View Items
Square D Ground Bar Kit, Square D QO  Load Centers, 70A PK3GTA1
Square D

Ground Bar Kit, Square D QO Load Centers, 70A

Zoro # G1696527
Mfr # PK3GTA1
product price:  $9.22
/ea
Square D Load Center, 8 Spaces, 100A Amps, 120/240V AC QO816L100RB
CAD Files Available
Square D

Load Center, 8 Spaces, 100A Amps, 120/240V AC

Zoro # G1815642
Mfr # QO816L100RB
product price:  $134.99
/ea
Square D Circuit Breaker Enclosure, QO, 3 Spaces, 100A, 240V, Main Lug, 3 Phase QO3100BNF
CAD Files Available
Square D

Circuit Breaker Enclosure, QO, 3 Spaces, 100A, 240V, Main Lug, 3 Phase

Zoro # G0842488
Mfr # QO3100BNF
product price:  $118.99
/ea
Square D Ground Bar Kit, Square D QO, HOM, NQOD and NF Panelboards, 225A PK18GTA
Square D

Ground Bar Kit, Square D QO, HOM, NQOD and NF Panelboards, 225A

Zoro # G0539296
Mfr # PK18GTA
product price:  $15.20
/ea
Federal Pacific Miniature Circuit Breaker, UBIF Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIF230N
FEDERAL PACIFIC UBIF Standard Plug In Miniature Circuit Breaker
21 results
table view View Items
Square D Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120/240V AC, A Curve QO120GFI
SQUARE D QO Ground Fault Protecting Class A 6 mA Plug In Miniature Circuit Breaker
19 results
table view View Items
Square D Load Center, QO, 54 Spaces, 225A, 120/240V AC, Convertible Main Lug, 1 Phase QO154L225PG
CAD Files Available
Multiple Options Available
Square D

Load Center, QO, 54 Spaces, 225A, 120/240V AC, Convertible Main Lug, 1 Phase

Zoro # G6067731
Mfr # QO154L225PG
product price:  $322.99
/ea
Square D Electric Joint Compound PJC7201
Square D

Electric Joint Compound

Zoro # G0567695
Mfr # PJC7201
product price:  $24.59
/ea
Square D Panelboard Key, NQ/NF LP9618
Square D

Panelboard Key, NQ/NF

Zoro # G3041893
Mfr # LP9618
product price:  $26.15
/ea
Siemens Miniature Circuit Breaker, QP Series, 60A, 3 Pole, 240V AC, 10kA at 120V AC Q360
SIEMENS QP Standard Plug In Miniature Circuit Breaker
3 results
table view View Items
Square D Filler Plate, Square D NQ Panelboards, 24V DC NQFP15
Square D

Filler Plate, Square D NQ Panelboards, 24V DC

Zoro # G0982554
Mfr # NQFP15
product price:  $57.12
/pk 15, $3.81/ea
Square D Panelboard Enclosure, MH, 42 Spaces, 225A MH38
CAD Files Available
Square D

Panelboard Enclosure, MH, 42 Spaces, 225A

Zoro # G1397103
Mfr # MH38
product price:  $112.99
/ea
Square D Replacement cover, Homeline, for 42 space load center, combination flush and surface, gray HOMC42UC
Square D

Replacement cover, Homeline, for 42 space load center, combination flush and surface, gray

Zoro # G3308292
Mfr # HOMC42UC
product price:  $152.99
/ea
Square D Cover, Square D QO Load Centers Use With, 225A, 42 Spaces QOC42US
Square D

Cover, Square D QO Load Centers Use With, 225A, 42 Spaces

Zoro # G2008991
Mfr # QOC42US
product price:  $78.15
/ea
Square D 200 amps 120/240 V 1 space 1 circuits Load Center Screws, PK3 S106
Square D

200 amps 120/240 V 1 space 1 circuits Load Center Screws, PK3

Zoro # G605993889
Mfr # S106
product price:  $10.19
/pk 3, $3.40/ea
Ge Filler Plate, Snap-In, 0.5inW TFH
Ge

Filler Plate, Snap-In, 0.5inW

Zoro # G8511027
Mfr # TFH
product price:  $4.59
/ea
Square D Lug Kit, Homeline and QO Load Centers, 125A QOL125
Square D

Lug Kit, Homeline and QO Load Centers, 125A

Zoro # G2217424
Mfr # QOL125
product price:  $53.49
/ea
Square D Cover, Square D NF Panelboards Use With, 125A, 30 Spaces NC32S
Square D

Cover, Square D NF Panelboards Use With, 125A, 30 Spaces

Zoro # G0548021
Mfr # NC32S
product price:  $205.99
/ea
Square D Lug Kit, Powerpact(R) H, J and L Frame Circuit Breakers Use With, 600V AC, 150A AL150HD
Square D

Lug Kit, Powerpact(R) H, J and L Frame Circuit Breakers Use With, 600V AC, 150A

Zoro # G2979566
Mfr # AL150HD
product price:  $63.89
/pk 3, $21.30/ea
Square D Cover, Square D NF Panelboards Use With, 125A, 42 Spaces NC38S
Square D

Cover, Square D NF Panelboards Use With, 125A, 42 Spaces

Zoro # G0765414
Mfr # NC38S
product price:  $226.99
/ea
Square D Cover, Square D QO Load Centers Use With, 100A, 12 Spaces QOC12UF
Square D

Cover, Square D QO Load Centers Use With, 100A, 12 Spaces

Zoro # G1254556
Mfr # QOC12UF
product price:  $28.25
/ea
Square D Load Center, QO, 24 Spaces, 200A, 120/240V AC, Main Lug, 1 Phase QO124L200PG
CAD Files Available
Square D

Load Center, QO, 24 Spaces, 200A, 120/240V AC, Main Lug, 1 Phase

Zoro # G500489623
Mfr # QO124L200PG
product price:  $164.99
/ea
Square D Load Center, Homeline circuit breakers Use With, 120/240V AC, 100A HOM612L100RBCP
Square D

Load Center, Homeline circuit breakers Use With, 120/240V AC, 100A

Zoro # G2921192
Mfr # HOM612L100RBCP
product price:  $65.09
/ea
Famatel Usa IP65 DIN Rail 8 Module Enclosure 8.4 in H  x 9.2 in W x 4.3 in D 3908-TTB
Famatel Usa

IP65 DIN Rail 8 Module Enclosure 8.4 in H x 9.2 in W x 4.3 in D

Zoro # G1408210
Mfr # 3908-TTB
product price:  $35.95
/ea
Square D Panelboard Directory Card 8003115801
Square D

Panelboard Directory Card

Zoro # G3510608
Mfr # 8003115801
product price:  $7.99
/ea
Sold in mult. of 2 for $15.98
Square D Lug Kit, Homeline Load Center, 100A HOM100AN
Square D

Lug Kit, Homeline Load Center, 100A

Zoro # G1747943
Mfr # HOM100AN
product price:  $12.55
/ea
Stopout Circuit Breaker Lockout, Flip-Lever Switches, Large Handle Circuit Breakers, 277/480/600V AC KDD280
Stopout

Circuit Breaker Lockout, Flip-Lever Switches, Large Handle Circuit Breakers, 277/480/600V AC

Zoro # G1736657
Mfr # KDD280
product price:  $10.79
/ea
Asi Circuit Breaker, NDB1L-32C Series, 6A, 2 Pole, 120V AC, 4.5kA, C Curve NDB1L-32C-6-120V
ASI NDB1L-32C Ground Fault Circuit Interrupter Surface Mount/DIN Rail Circuit Breaker
11 results
table view View Items
Square D Mounting Base, Square D QO Circuit Breaker Use With, 120/240V AC, 100A QON612L100
Square D

Mounting Base, Square D QO Circuit Breaker Use With, 120/240V AC, 100A

Zoro # G6170211
Mfr # QON612L100
product price:  $71.69
/ea
Siemens Mechanical Interlock, Siemens BQ Circuit Breakers, 1 Poles ECQML12
Siemens

Mechanical Interlock, Siemens BQ Circuit Breakers, 1 Poles

Zoro # G2821996
Mfr # ECQML12
product price:  $22.99
/ea
Square D Replacement cover, Homeline, for 30 space load center, combination flush and surface, gray HOMC30UC
Square D

Replacement cover, Homeline, for 30 space load center, combination flush and surface, gray

Zoro # G3308773
Mfr # HOMC30UC
product price:  $118.99
/ea
Circuit Protection (3,500+ items) - Page 3
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About Circuit Protection

At Zoro, we pride ourselves on offering a broad selection of top-grade Panelboards and Load Centers. These essential electrical components are meticulously designed to distribute and manage power in residential, commercial, and industrial settings. Our product line includes a variety of load centers, such as main breaker load centers, main lug load centers, sub-panel load centers, and different types of panel boards, including lighting panel boards and power distribution panel boards.

A Wide Array of Load Centers & Fuses

Our collection comprises diverse types of electrical load centers tailored to meet the unique needs of various industries. From simple household applications to complex industrial processes, our offerings include single-phase load centers for residential and three-phase load centers for commercial or industrial uses. Moreover, we also provide an array of load center fuses designed to protect your electrical circuits from overloads and short circuits.

Quality Panel Boards

We understand that a high-quality panel board is the backbone of any reliable electrical system. Hence, we offer an extensive range of robustly constructed electrical panel boards suitable for surface and flush mounting (panel board wall). Our selection ranges from small circuit breaker panels ideal for home use to large-scale switchgear panels designed for heavy-duty industrial applications.

How Are Load Centers & Panel Boards Made?

The manufacturing process for our panelboards and load centers involves careful planning and precise engineering. High-quality metal casings are typically used to house these units due to their durability and resistance against environmental factors. Inside these casings are circuit breakers or fuses attached to bus bars, facilitating electricity distribution across various circuits.

Tips on Using Load Centers & Panel Boards

While installing or using our panel boards and load centers, safety should always be your top priority. Ensure that a qualified professional performs all electrical work. Always turn off the main power supply before performing maintenance or installation. Lastly, regularly inspect your load center and panel board for signs of wear and tear to prevent potential issues.

Find the Load Centers and Panel Boards You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of electrical supplies, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time. Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Industrial Electrical Controls & AutomationCable Management & ConduitWiring DevicesElectrical ConnectorsFuses & Accessories
Electrical Boxes & CoversWire & CablePower Quality & DistributionElectrical Enclosures, Wireways & CoversElectrical Replacement Parts
circuit breaker br seriescarling breakerssiemens 200 amp panelge 30 amp breaker90 amp breaker
eaton 200 amp breakercircuit breakers &circuit breaker 200 ampnavien npe-240a2ideal circuit tracer kit

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