4151 - 4200 of 4211 listings
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.
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.
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.
WH Fa Mccb 10at
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 10A Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 20 lb.
Ch Ndc Mccb 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family NDC Type of Molded Case Breaker NDC Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1200A Shipping Width 14 in Shipping Height 14 in Shipping Depth 14 in Shipping Weight 30 lb.
Ch Jdc Mccb Jt3250 Trip
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family JD Type of Molded Case Breaker JDC Frame Rating (KA) Trip or Rating Plug Rating Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 15 lb.
Ch Kd Mccb No Trip
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family KD Type of Molded Case Breaker KD Frame Rating (Amps) 400A Frame Rating (KA) 35 Shipping Width 14 in Shipping Height 16 in Shipping Depth 12 in Shipping Weight 14 lb.
Ch Ld Mccb 600at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family LD Type of Molded Case Breaker LD Frame Rating (Amps) 600A Frame Rating (KA) 30 Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 30 lb.
ITE Hf Frame Mccb Type Et, 70at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Shipping Width 15 in Shipping Height 15 in Shipping Depth 15 in Shipping Weight 11 lb.
WH Tri-pac Nb Mccb 800at
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 NB Frame Rating (Volts) 600 Frame Rating (Amps) 800A Frame Rating (KA) 200 Shipping Width 15 in Shipping Height 25 in Shipping Depth 15 in Shipping Weight 60 lb.
Square D Rlf Powerpact Mccb 2000at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family POWERPACT Type of Molded Case Breaker RLF Frame Rating (Volts) 600 Frame Rating (Amps) 3000A Frame Rating (KA) 100 Trip or Rating Plug Rating 2000A Shipping Width 25 in Shipping Height 25 in Shipping Depth 25 in Shipping Weight 76 lb.
Ch Series C Ld Mccb New 600at
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 LD Frame Rating (Volts) 600 Frame Rating (Amps) 600A Frame Rating (KA) 35 Shipping Width 14 in Shipping Height 14 in Shipping Depth 24 in Shipping Weight 35 lb.
WH Mark 75 Hla Mccb 300at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Westinghouse / Cutler Hammer Product Family HLA Type of Molded Case Breaker HLA Frame Rating (Volts) 600 Frame Rating (Amps) 300A Frame Rating (KA) 65 Trip or Rating Plug Rating 300A Shipping Width 13 in Shipping Height 13 in Shipping Depth 10 in Shipping Weight 3 lb.
Square D Merlin Gerin Ck 800 Mccb With Standard Drawout Assembly
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family CK Type of Molded Case Breaker CK 800NA Frame Rating (Volts) 600 Frame Rating (Amps) 800A Frame Rating (KA) 50 Shipping Width 15 in Shipping Height 25 in Shipping Depth 15 in Shipping Weight 34 lb.
Square D Merlin Gerin Ck 800 Mccb With Standard Drawout Assembly
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family CK Type of Molded Case Breaker CK 800NA Frame Rating (Volts) 600 Frame Rating (Amps) 800A Frame Rating (KA) 50 Shipping Width 15 in Shipping Height 25 in Shipping Depth 15 in Shipping Weight 34 lb.
Square D Merlin Gerin Ck 800 Mccb With Standard Drawout Assembly
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family CK Type of Molded Case Breaker CK 800NA Frame Rating (Volts) 600 Frame Rating (Amps) 800A Frame Rating (KA) 50 Shipping Width 15 in Shipping Height 25 in Shipping Depth 15 in Shipping Weight 34 lb.
Square D Merlin Gerin Ck 800 Mccb With Standard Drawout Assembly
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family CK Type of Molded Case Breaker CK 800NA Frame Rating (Volts) 600 Frame Rating (Amps) 800A Frame Rating (KA) 50 Shipping Width 15 in Shipping Height 25 in Shipping Depth 15 in Shipping Weight 34 lb.
Square D Merlin Gerin Ck 800 Mccb With Standard Drawout Assembly
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family CK Type of Molded Case Breaker CK 800NA Frame Rating (Volts) 600 Frame Rating (Amps) 800A Frame Rating (KA) 50 Shipping Width 15 in Shipping Height 25 in Shipping Depth 15 in Shipping Weight 34 lb.
Square D Ma Type Mhal High Interrupt Mccb 24 Volts DC Shunt Trip
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MA Type of Molded Case Breaker MHAL Frame Rating (Volts) 600 Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1200A.
Square D Ma Type Mhal High Interrupt Mccb 24 Volts DC Shunt Trip
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MA Type of Molded Case Breaker MHAL Frame Rating (Volts) 600 Frame Rating (Amps) 1200A Frame Rating (KA) 65 Trip or Rating Plug Rating 1200A.
Square D Ma Type Mhal High Interrupt Mccb 24 Volts DC Shunt Trip, 1200at
National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Square D Product Family MA Type of Molded Case Breaker MHAL Frame Rating (Volts) 600 Frame Rating (Amps) 1200A Frame Rating (KA) 25 Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 25 lb.




























