Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
0
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Electrical Supplies
  4. /
  5. Circuit Protection

Circuit Protection (3,500+ items) - Page 90

Siemens circular conduc. terminal TA2.4 2 x 70300 mmsqrd for 2 cables with auxiliary 3VA9404-0JC23
Siemens

circular conduc. terminal TA2.4 2 x 70300 mmsqrd for 2 cables with auxiliary

Zoro # G915960083
Mfr # 3VA9404-0JC23
product price:  $297.99
/ea
Sold in mult. of 2 for $595.98
Siemens circular conduc. terminal TA2.2 50240 mmsqrd large 4 units accessory for: 3VA9214-0JJ13
Siemens

circular conduc. terminal TA2.2 50240 mmsqrd large 4 units accessory for:

Zoro # G915960175
Mfr # 3VA9214-0JJ13
product price:  $125.99
/ea
Sold in mult. of 4 for $503.96
Siemens accessories circuit breaker 3WL rated current ref. module 2500A f. 3WL9111-2AA63-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 2500A f.

Zoro # G815866157
Mfr # 3WL9111-2AA63-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL rated current ref. module 3200A f. 3WL9111-2AA64-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 3200A f.

Zoro # G815866171
Mfr # 3WL9111-2AA64-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL bowden wire f. mutual mech. 3WL9111-0BB25-0AA0
Siemens

accessories circuit breaker 3WL bowden wire f. mutual mech.

Zoro # G815868007
Mfr # 3WL9111-0BB25-0AA0
product price:  $160.99
/ea
Sold in mult. of 3 for $482.97
Siemens accessories circuit-breaker 3WL automatic reset of anti-pumping device 3WL9111-0AK01-0AA0
Siemens

accessories circuit-breaker 3WL automatic reset of anti-pumping device

Zoro # G815958647
Mfr # 3WL9111-0AK01-0AA0
product price:  $94.35
/ea
Sold in mult. of 4 for $377.40
Siemens circuit-breaker accessor. 3WL low-profile base for fixed-mounted 3WL9111-0BB55-0AA0
Siemens

circuit-breaker accessor. 3WL low-profile base for fixed-mounted

Zoro # G715960054
Mfr # 3WL9111-0BB55-0AA0
product price:  $175.99
/ea
Sold in mult. of 3 for $527.97
Siemens accessories circuit breaker 3WL rated current ref. module 1600A f. 3WL9111-2AA61-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 1600A f.

Zoro # G615866111
Mfr # 3WL9111-2AA61-0AA0
product price:  $387.99
/ea
Siemens accessories circuit-breaker 3WL emc-filter 3WL9111-0AK32-0AA0
Siemens

accessories circuit-breaker 3WL emc-filter

Zoro # G515482879
Mfr # 3WL9111-0AK32-0AA0
product price:  $1,303.99
/ea
Siemens RC unit for 5SY 4-pole 5SM2842-8
Siemens

RC unit for 5SY 4-pole

Zoro # G516096716
Mfr # 5SM2842-8
product price:  $237.99
/ea
Sold in mult. of 3 for $713.97
Siemens accessories circuit breaker 3WL bowden wire f. mutual mech. 3WL9111-0BB26-0AA0
Siemens

accessories circuit breaker 3WL bowden wire f. mutual mech.

Zoro # G415867998
Mfr # 3WL9111-0BB26-0AA0
product price:  $207.99
/ea
Sold in mult. of 2 for $415.98
Siemens accessories circuit breaker 3WL position signal switch f. guide frame 3WL9111-1AH11-0AA0
Siemens

accessories circuit breaker 3WL position signal switch f. guide frame

Zoro # G415866113
Mfr # 3WL9111-1AH11-0AA0
product price:  $454.99
/ea
Siemens accessories circuit breaker 3WL 1st released signal switch 1W S24 3WL9111-0AH04-0AA0
Siemens

accessories circuit breaker 3WL 1st released signal switch 1W S24

Zoro # G415866106
Mfr # 3WL9111-0AH04-0AA0
product price:  $98.59
/ea
Sold in mult. of 4 for $394.36
Siemens circuit-breaker accessor. 3WL voltage transformer 3-pole for 3WL9111-0BB68-0AA0
Siemens

circuit-breaker accessor. 3WL voltage transformer 3-pole for

Zoro # G315960003
Mfr # 3WL9111-0BB68-0AA0
product price:  $451.99
/ea
Siemens access. circuit-breaker 3WL retrofit set Internal cable to connect 3WL9111-0AK46-0AA0
Siemens

access. circuit-breaker 3WL retrofit set Internal cable to connect

Zoro # G315958628
Mfr # 3WL9111-0AK46-0AA0
product price:  $66.99
/ea
Sold in mult. of 6 for $401.94
Siemens accessories circuit breaker 3WL rated current ref. module 315A f. 3WL9111-2AA52-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 315A f.

Zoro # G315866190
Mfr # 3WL9111-2AA52-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL rated current ref. module 800A f. 3WL9111-2AA56-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 800A f.

Zoro # G315866220
Mfr # 3WL9111-2AA56-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL rated current ref. module 2000A f. 3WL9111-2AA62-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 2000A f.

Zoro # G315866169
Mfr # 3WL9111-2AA62-0AA0
product price:  $387.99
/ea
Siemens RC unit for 5SY 4-pole 5SM2645-6
Siemens

RC unit for 5SY 4-pole

Zoro # G216096689
Mfr # 5SM2645-6
product price:  $130.99
/ea
Sold in mult. of 4 for $523.96
Siemens accessories circuit breaker 3WL rated current ref. module 5000A f. 3WL9111-2AA66-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 5000A f.

Zoro # G215866146
Mfr # 3WL9111-2AA66-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL rated current ref. module 630A f. 3WL9111-2AA55-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 630A f.

Zoro # G215866207
Mfr # 3WL9111-2AA55-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL earth-fault prot.module 3WL9111-2AT53-0AA0
Siemens

accessories circuit breaker 3WL earth-fault prot.module

Zoro # G215868027
Mfr # 3WL9111-2AT53-0AA0
product price:  $1,347.99
/ea
Siemens accessories circuit breaker 3WL bowden wire f. mutual mech. 3WL9111-0BB27-0AA0
Siemens

accessories circuit breaker 3WL bowden wire f. mutual mech.

Zoro # G115867922
Mfr # 3WL9111-0BB27-0AA0
product price:  $290.99
/ea
Sold in mult. of 2 for $581.98
Siemens circular conduc. terminal TA2.6 6 x 14 AWG2 AWG for 6 cables 3 units 3VA9243-0JF68
Siemens

circular conduc. terminal TA2.6 6 x 14 AWG2 AWG for 6 cables 3 units

Zoro # G115960135
Mfr # 3VA9243-0JF68
product price:  $197.99
/ea
Sold in mult. of 3 for $593.97
Siemens The SITRANS RD100 is a 2-wire loop powered NEMA 4X en-closed remote 7ML5741-3BA00-0
Siemens

The SITRANS RD100 is a 2-wire loop powered NEMA 4X en-closed remote

Zoro # G116284841
Mfr # 7ML5741-3BA00-0
product price:  $1,205.99
/ea
Siemens plug-in unit conversion kit for MCCB accessory for: circuit breaker 4-pole 3VA9344-0KP10
Siemens

plug-in unit conversion kit for MCCB accessory for: circuit breaker 4-pole

Zoro # G115867823
Mfr # 3VA9344-0KP10
product price:  $537.99
/ea
Siemens accessories circuit breaker 3WL rated current ref. module 400A f. 3WL9111-2AA53-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 400A f.

Zoro # G115866260
Mfr # 3WL9111-2AA53-0AA0
product price:  $387.99
/ea
Siemens accessories circuit breaker 3WL rated current ref. module 500A f. 3WL9111-2AA54-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 500A f.

Zoro # G015866193
Mfr # 3WL9111-2AA54-0AA0
product price:  $387.99
/ea
Siemens RC unit for 5SY 4-pole 5SM2745-8
Siemens

RC unit for 5SY 4-pole

Zoro # G016096667
Mfr # 5SM2745-8
product price:  $281.99
/ea
Sold in mult. of 2 for $563.98
Siemens accessories circuit breaker 3WL sealing disc for ETU76 for prot. 3WL9111-0AT46-0AA0
Siemens

accessories circuit breaker 3WL sealing disc for ETU76 for prot.

Zoro # G015868630
Mfr # 3WL9111-0AT46-0AA0
product price:  $40.79
/ea
Sold in mult. of 8 for $326.32
Siemens accessories circuit breaker 3WL rated current ref. module 4000A f. 3WL9111-2AA65-0AA0
Siemens

accessories circuit breaker 3WL rated current ref. module 4000A f.

Zoro # G015866124
Mfr # 3WL9111-2AA65-0AA0
product price:  $387.99
/ea
Siemens The SITRANS RD100 is a 2-wire loop powered NEMA 4X en-closed remote 7ML5741-4BA00-0
Siemens

The SITRANS RD100 is a 2-wire loop powered NEMA 4X en-closed remote

Zoro # G016284927
Mfr # 7ML5741-4BA00-0
product price:  $1,205.99
/ea
Eaton Circuit Breaker Accessories 1.1A 240V EA MOPJG240C
Eaton

Circuit Breaker Accessories 1.1A 240V EA

Zoro # G716109841
Mfr # MOPJG240C
product price:  $757.99
/ea
3M Semi-Conducting Tape 13, Roll 13
3M

Semi-Conducting Tape 13, Roll

Zoro # G403456920
Mfr # 13
product price:  $19.49
/ea
Sold in mult. of 50 for $974.50
Ge PowerMark Gold TLM Series TLM1212CCUP Load Center, Flush, Surface Mounting, 125 A TLM1212CCUP
Ge

PowerMark Gold TLM Series TLM1212CCUP Load Center, Flush, Surface Mounting, 125 A

Zoro # G304350877
Mfr # TLM1212CCUP
product price:  $78.89
/ea
Square D Panelboard Interior, NQ, 30 Spaces, 400A, 120/240V AC, Convertible Main Lug, 1 Phase NQ30L4
Square D

Panelboard Interior, NQ, 30 Spaces, 400A, 120/240V AC, Convertible Main Lug, 1 Phase

Zoro # G0945716
Mfr # NQ30L4
product price:  $773.99
/ea
Circuit Protection (3,500+ items) - Page 90
  • First
  • Previous
  • 90
    of 107 pages
  • Next
  • Last
How was your search?

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
carling breakersbl breaker90 amp breakercircuit breaker 200 ampcircuit breaker handle
navien npe-240a2ge 30 amp breakerideal circuit tracer kitcircuit breakers &circuit breaker br series

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc