4151 - 4200 of 4210 listings
WH Mcp Mccb 250at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family MCP Type of Molded Case Breaker MCP Frame Rating (Amps) 250A Frame Rating (KA) 15 Trip or Rating Plug Rating 250A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Ch Ls Mccb 600at With Load Side Lugs
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family LS Type of Molded Case Breaker LS Frame Rating (Volts) 600 Frame Rating (Amps) 600A Frame Rating (KA) 35 Shipping Width 17 in Shipping Height 17 in Shipping Depth 10 in Shipping Weight 15 lb.
Ch Cld Mccb Unused Surplus 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family CL Type of Molded Case Breaker CLCD Frame Rating (Amps) 600A Frame Rating (KA) 100 Trip or Rating Plug Rating 600A Shipping Width 10 in Shipping Height 10 in Shipping Depth 16 in Shipping Weight 20 lb.
WH Seltronic Mc Mccb 800at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family SELTRONIC Type of Molded Case Breaker MC Frame Rating (Amps) 800A Frame Rating (KA) 35 Trip or Rating Plug Rating 800A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
WH Ncga Mccb 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family NCG Type of Molded Case Breaker NCGA Frame Rating (Amps) 1200A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Get email updates for newly added Insulated Case and Molded Case Circuit Breakers
Insulated Case and Molded Case Circuit Breakers (also known as MCCBs or compact circuit breakers) are protective devices designed to interrupt electrical flow during overcurrent or short circuit conditions. Insulated case breakers are typically larger and used in industrial settings, while molded case breakers are compact and widely used in residential, commercial, and industrial applications. Both types offer reliable circuit protection, ease of installation, and durability for various electrical systems.
Ab Mdlb Mccb 800at, Digi Trip Mes-3800ls
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer B Product Family MDLB Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Mal Mccb 800at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MA Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 35 lb.
Square D Nx I-line Mccb 1200at, Lsig
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Type of Molded Case Breaker NX Frame Rating (Amps) 1200A Frame Rating (KA) 30 Trip or Rating Plug Rating 1200A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Mal Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MA Shipping Width 19 in Shipping Height 19 in Shipping Depth 19 in Shipping Weight 36 lb.
Square D Mhl Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHL Type of Molded Case Breaker MHL Frame Rating (Amps) 600A Frame Rating (KA) 65 Trip or Rating Plug Rating 600A Shipping Width 15 in Shipping Height 21 in Shipping Depth 15 in Shipping Weight 35 lb.
Square D Edb Mccb 30at, 480v
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family EDB Type of Molded Case Breaker EDB Frame Rating (Amps) 40A Frame Rating (KA) 14 Trip or Rating Plug Rating 30A Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 10 lb.
Square D Ne Mccb 1200at, Micrologic Series B
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NE Type of Molded Case Breaker NE Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1200A Shipping Width 19 in Shipping Height 29 in Shipping Depth 19 in Shipping Weight 71 lb.
Square D Paf Type Pal Mccb 1600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PAL Type of Molded Case Breaker PAF Frame Rating (Amps) 2000A Frame Rating (KA) 65 Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Merlin Gerin Cj Compact Mccb 500at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family CJ Type of Molded Case Breaker CJ Frame Rating (Amps) 500A Frame Rating (KA) 42 Trip or Rating Plug Rating 500A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Pef Mccb Micrologic Ls
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PE Type of Molded Case Breaker PEF Frame Rating (Amps) 1200A Frame Rating (KA) 100 Trip or Rating Plug Rating 1200A Shipping Width 14 in Shipping Height 14 in Shipping Depth 24 in Shipping Weight 30 lb.
Square D Nel Mccb 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NE Shipping Width 25 in Shipping Height 25 in Shipping Depth 25 in Shipping Weight 73 lb.
Square D Powerpact Lga I-line Mccb 400at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Product Family POWERPACT Type of Molded Case Breaker LGA Frame Rating (Amps) 400A Frame Rating (KA) Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 20 lb.
Square D Nal Mccb 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NAL Type of Molded Case Breaker NAL36 Frame Rating (Amps) 1200A Frame Rating (KA) 50 Trip or Rating Plug Rating 1200A Shipping Width 19 in Shipping Height 19 in Shipping Depth 19 in Shipping Weight 65 lb.
Square D Kap Mccb 250at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family KAP Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Paf Type Pal Mccb
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PAL Type of Molded Case Breaker PAF Frame Rating (Amps) 2000A Frame Rating (KA) 65 Shipping Width 41 in Shipping Height 49 in Shipping Depth 30 in Shipping Weight 340 lb.
Square D Lal Mccb 400at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family LA Type of Molded Case Breaker LAL Shipping Width 14 in Shipping Height 16 in Shipping Depth 12 in Shipping Weight 17 lb.
Square D Pxf Mccb 2500at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PX Shipping Width 24 in Shipping Height 24 in Shipping Depth 24 in Shipping Weight 75 lb.
Square D Mhl Mccb 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHL Type of Molded Case Breaker MHL Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1200A Shipping Width 17 in Shipping Height 17 in Shipping Depth 10 in Shipping Weight 35 lb.
Square D Mj Mccb 800at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MJ Type of Molded Case Breaker MJ Frame Rating (Amps) 800A Frame Rating (KA) 65 Trip or Rating Plug Rating 800A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Mhl Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHL Type of Molded Case Breaker MHL Frame Rating (Amps) 600A Frame Rating (KA) 65 Trip or Rating Plug Rating 600A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Lx I-line Mccb 600at, Lsig
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Type of Molded Case Breaker LX Frame Rating (Amps) 600A Frame Rating (KA) 30 Trip or Rating Plug Rating 600A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Nxp Mccb 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NX Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Mh I-line Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Product Family MA Type of Molded Case Breaker MH Frame Rating (Amps) 600A Frame Rating (KA) 30 Trip or Rating Plug Rating 600A Shipping Width 14 in Shipping Height 14 in Shipping Depth 17 in Shipping Weight 30 lb.
Square D Mhl Mccb 1000at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHL Type of Molded Case Breaker MHL Frame Rating (Amps) 1000A Frame Rating (KA) 65 Trip or Rating Plug Rating 1000A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Ma I-line Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Product Family MA Type of Molded Case Breaker MA Frame Rating (Amps) 600A Frame Rating (KA) 30 Trip or Rating Plug Rating 600A Shipping Width 14 in Shipping Height 14 in Shipping Depth 17 in Shipping Weight 30 lb.
Square D Lx I-line Mccb 400at, Lsig
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Type of Molded Case Breaker LX Frame Rating (Amps) 400A Frame Rating (KA) 30 Trip or Rating Plug Rating 400A Shipping Width 19 in Shipping Height 19 in Shipping Depth 19 in Shipping Weight 33 lb.
Square D Mh I-line Mccb 800at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family I-LINE Product Family MA Type of Molded Case Breaker MH Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 35 lb.
Square D Merlin Gerin Nsj Mccb 400at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NS Type of Molded Case Breaker NSJ Frame Rating (Amps) 400A Frame Rating (KA) 100 Trip or Rating Plug Rating 400A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Mhl Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHL Type of Molded Case Breaker MHL Frame Rating (Amps) 600A Frame Rating (KA) 65 Trip or Rating Plug Rating 600A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Ne Mccb 1200at, Arp083 Rp
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NE Type of Molded Case Breaker NE Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1000A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Kal Mccb 150at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family KAL Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Pef Mccb 2000at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PE Shipping Width 25 in Shipping Height 25 in Shipping Depth 25 in Shipping Weight 82 lb.
Square D Mhp Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHP Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Nxl Mccb 1200at, Arp100 Rp
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family NX Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Paf Type Pal Mccb 1600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PAL Type of Molded Case Breaker PAF Frame Rating (Amps) 1600A Frame Rating (KA) 65 Trip or Rating Plug Rating 1600A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Mhl Mccb 500at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MHL Type of Molded Case Breaker MHL Frame Rating (Volts) 600 Frame Rating (Amps) 500A Frame Rating (KA) 35 Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Square D Pef Mccb
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family PE Shipping Width 25 in Shipping Height 25 in Shipping Depth 25 in Shipping Weight 80 lb.
Ch Ed Mccb 100at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family ED Type of Molded Case Breaker ED Frame Rating (Amps) 200A Frame Rating (KA) 65 Trip or Rating Plug Rating 100A Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 15 lb.
WH Fa Mccb 70at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family FA Type of Molded Case Breaker FA Frame Rating (Amps) 100A Frame Rating (KA) 15 Trip or Rating Plug Rating 70A Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 20 lb.
WH Tri-pac Fb Mccb 100at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family TRI-PAC Type of Molded Case Breaker FB Frame Rating (Amps) 150A Frame Rating (KA) 200 Trip or Rating Plug Rating 100A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Ch Ldc Mccb Lt3600 Trip
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family LD Trip or Rating Plug Rating 3A Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 15 lb.
Ch Series C Type Fd Mccb 50at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family SERIES C Type of Molded Case Breaker FD Frame Rating (Amps) 100A Frame Rating (KA) 35 Trip or Rating Plug Rating 50A Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 15 lb.
Ch Series C Type Fd Mccb 80at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family SERIES C Type of Molded Case Breaker FD Frame Rating (Amps) 100A Frame Rating (KA) 35 Trip or Rating Plug Rating 80A Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 20 lb.
WH Seltronic Lc Mccb 400at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family SELTRONIC Type of Molded Case Breaker LC Frame Rating (Amps) 400A Frame Rating (KA) 30 Trip or Rating Plug Rating 400A Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
Ch Ed Mccb 200at, Load Terminals
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family ED Type of Molded Case Breaker ED Frame Rating (Amps) 200A Frame Rating (KA) 65 Trip or Rating Plug Rating 200A Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 15 lb.





















