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Electrical & Power > Insulated Case and Molded Case Circuit Breakers

Insulated Case and Molded Case Circuit Breakers

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2201 - 2250 of 4211 listings

800 Amps, Square D, NW08H1, WA4ATR63C3FXXXXXDA, 800 AF, LSI, 5.0P trip, new

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: NW08H1

800 Amps, Square D, NW08H1, 65kA, Drawout, manually operated Breaker

RS Breakers And Controls | Mississauga, ON
Seller: RS Breakers And Controls
Location: Saskatoon, SK
Mfr: Square D
Model: NW08H1
Square D NW08H1 800A, 65kA, Drawout, MO Breaker. Quality: Used, Quantity: 1. Pricing is available upon request.

800 Amps, Square D, NW08H1, 65kA, Drawout, manually operated Breaker

RS Breakers And Controls | Mississauga, ON
Seller: RS Breakers And Controls
Location: Saskatoon, SK
Mfr: Square D
Model: NW08H1
Square D NW08H1 800A, 65kA, Drawout, MO Breaker. Quality: Used, Quantity: 1. Pricing is available upon request.

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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.

800 Amps, Square D, NW08H1, 65kA, Drawout, Micrologic 6.0P Trip unit, manually operated Breaker

RS Breakers And Controls | Mississauga, ON
Seller: RS Breakers And Controls
Location: Saskatoon, SK
Mfr: Square D
Model: NW08H1
Square D NW08H1 800A, 65kA, Drawout, MO Breaker, Micrologic 6.0P Trip unit. Quality: Used, Quantity: 1. Pricing is available upon request.

800 Amps, Square D, NW08H-WL3AAV64A3HFFFXXCX, E/O-fixed w/120V shunt, new

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: NW08HWL3AAV64A3HFFFXXCX

800 Amps, Square D, NW12HF, 85kA @ 600 Volts, Drawout, electrically operated Breaker

RS Breakers And Controls | Mississauga, ON
Seller: RS Breakers And Controls
Location: Saskatoon, SK
Mfr: Square D
Model: NW12HF
Square D NW12HF 800A, 85kA @600V, Drawout, EO Breaker, Quality: Used, Quantity: 1. Pricing is available upon request.

800 Amps, Square D, NX36800, #365106

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: NX36800
Square D Circuit Breaker, Molded Case type, Catalog Number NX36800, 800 amp frame current, 600 volts.

800 Amps, Square D, NX36800, 3 Phase, 100kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: NX36800
Square D NX36800 Molded Case Circuit Breaker. Family I-Line; Type NX; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 100kA@480V AIC; I-Line Style Plug-In Mounting.

800 Amps, Square D, NXP36800, 3 Phase, 100kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: NXP36800
Square D NXP36800 Molded Case Circuit Breaker. Family Micrologic; Type NXP; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 100kA@480V AIC; Bolt-On Mounting.

800 Amps, Square D, PGA36080U31A, 3 Phase, 35kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PGA36080U31A
Square D PGA36080U31A Molded Case Circuit Breaker. Family Powerpact; Type PGA; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 35kA@480V AIC; I-Line Style Plug-In Mounting.

800 Amps, Square D, PGA36080U33A, 3 Phase, 35kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PGA36080U33A
Square D PGA36080U33A Molded Case Circuit Breaker. Family Powerpact; Type PGA; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 35kA@480V AIC; I-Line Style Plug-In Mounting.

800 Amps, Square D, PGA36080U43A, New out of Box, 600 Volts, #1093762

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PGA36080U43A
Square D Circuit Breaker, Molded Case type, Catalog Number PGA36080U43A, 800 amp frame current, 600 volts.

800 Amps, Square D, PGA36080U63AE1YV, 3 Phase, 35kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PGA36080U63AE1YV
Square D PGA36080U63AE1YV Molded Case Circuit Breaker. Family Powerpact; Type PGA; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 35kA@480V AIC; I-Line Style Plug-In Mounting.

800 Amps, Square D Powerpact, PJ800, 3-pole, 600V., molded case switch, new in box

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: PJ800

800 Amps, Square D, PJA36080, I-line PowerPact Circuit Breaker, 65kA, 600 Volts, 3P

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: PJA36080

800 Amps, Square D, PJA36080, #857208

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJA36080
Square D Circuit Breaker, Molded Case type, Catalog Number PJP36080U31A, 800 amp frame current, 600 volts.

800 Amps, Square D, PJA36080U31A, New out of Box, #1326948

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJA36080U31A
Square D Circuit Breaker, Molded Case type, Catalog Number PJA36080U31A, 800 amp frame current, 600 volts.

800 Amps, Square D, PJA36080U44A, #1384549'

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJA36080U44A

800 Amps, Square D, PJA36080U44A, New out of Box, 600 Volts, #1296179

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJA36080U44A
Square D Circuit Breaker, Molded Case type, Catalog Number PJA36080U44A, 800 amp frame current, 600 volts.

800 Amps, Square D, PJF36080U31A-AC, PJL with LI trip & -3/B aux switch

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: PJF36080U31AAC

800 Amps, Square D, PJL36000S80AASK, Automatic Molded Case Switch, 600 VAC, PowerPacT P-Frame, 3-pole

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: PJL36000S80AASK
Square D PJL36000S80AASK Automatic Molded Case Switch – 800A – 3 Pole – PowerPacT P-Frame, Square D / Schneider Electric PJL36000S80AASK automatic molded case switch available, removed from an active facility and suitable for commercial or industrial power distribution applications., Manufacturer: ...more

800 Amps, Square D, PJP36080U31ALV, #1280936

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJP36080U31ALV
Square D Circuit Breaker, Molded Case type, Catalog Number PJP36080U31ALV, 800 amp frame current, 600 volts.

800 Amps, Square D, PKA36080, circuit breaker, 3 pole, 600 Volts

Lenmark Industries | Langley, BC
Seller: Lenmark Industries
Location: Langley, BC
Mfr: Square D
Model: PKA36080
SKU: 139598, Model: PKA36080, Condition: Used, Amps: 800 amps, Series: PKA, # of Poles: 3, Mounting Style: Plug-In, Voltage: 600 volts, Dimensions: 7.70 (H) x 9.00 (W) x 15.00 (L) inches, Additional :, Breaking capacity:, - AIR 65 kA 240 V CA 50/60 Hz UL 489, - AIR 50 kA 480 V CA 50/60 Hz UL 489, - AIR 50 kA 600 V CA ...more

800 Amp, Square D, PKA36080U73AE1JK, 600 Volts Circuit Breaker, Plug-In, 3P

Lenmark Industries | Langley, BC
Seller: Lenmark Industries
Location: Langley, BC
Mfr: Square D
Model: PKA36080U73AE1JK
SKU: 134264, Model: PKA36080U73AE1JK, Condition: Surplus New, S/N: 0202484927520001, Amps: 800 amps, Series: PKA, # of Poles: 3, Mounting Style: Plug-In, Voltage: 600 volts, Phase: 3-phase, Dimensions: 16.00 (H) x 10.00 (W) x 10.00 (L) inches, Additional :, AIC Ratings: 65kA@240V.

800 Amps, Square D, PLA34080, 480 Volts, #1250062

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PLA34080
Square D Circuit Breaker, Molded Case type, Catalog Number PLA34080, 800 amp frame current, 480 volts.

800 Amps, Square D, PLA34080CU63AE1, 3 Phase, 100kA @ 480V AIC, 480 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PLA34080CU63AE1
Square D PLA34080CU63AE1 Molded Case Circuit Breaker. Family Powerpact; Type PLA; 480 Voltage; 3 Pole; 3 Phase; 800 Amp; 100kA@480V AIC; I-Line Style Plug-In Mounting. New Surplus only available!.

800 Amps, Square D, PLA34080U31A, 3 Phase, 100kA @ 480V AIC, 480 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PLA34080U31A
Square D PLA34080U31A Molded Case Circuit Breaker. Family Powerpact; Type PLA; 480 Voltage; 3 Pole; 3 Phase; 800 Amp; 100kA@480V AIC; I-Line Style Plug-In Mounting.

800 Amps, Square D, SED36800LSG, 600 Volts, #1287584

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SED36800LSG
Square D Circuit Breaker, Molded Case type, Catalog Number SED36800LSG, 800 amp frame current, 600 volts.

800 Amps, Square D, SEF36800LSES1, electrically operated, fixed mount, LSI, 120 V.control, new

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: SEF36800LSES1

800 Amps, Square D, MG-800, PowerPact Bolt-On Circuit Breaker, 3-pole, 3-phase, 600 VAC

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: MG800
Square D MGM36800 PowerPact Bolt-On Circuit Breaker 800A 600V 3P 3PH Type MG-800., Condition Notes: No Mounting Hardware Included., Used working condition. Removed from working service environment. Industrial surplus. Item pictured is the exact item you will receive, unless multiple quantities listed., Most items ship ...more

800 Amp, Square D, TL8AAR43A3SXFXXXXXAT, MasterPact Circuit Breaker, 3P, 480 Volts, type NT08L1

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: TL8AAR43A3SXFXXXXXAT

800 Amps, Eaton / Cutler-Hammer / Westinghouse, CMDL3800F, New out of Box, #1423928

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: CMDL3800F

800 Amps, Westinghouse, HMCG3800F, Circuit Breaker, 3-Pole, 600 VAC

Quantum Technology | Shippensburg, PA
Seller: Quantum Technology
Location: Shippensburg, PA
Mfr: Westinghouse
Model: HMCG3800F
Power up safely with the Westinghouse HMCG3800F Circuit Breaker. This robust 800A breaker is designed to handle heavy-duty electrical loads with ease. Perfect for your industrial or commercial needs, it s:- Durable construction for reliable performance- High-quality components ensuring long-lasting operation- Easy ...more

800 Amps, Westinghouse, HMCG3800F, 3 Phase, 50kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Westinghouse
Model: HMCG3800F
Westinghouse HMCG3800F Molded Case Circuit Breaker. Family Seltronic; Type HMCG; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 50kA@480V AIC; Bolt-On Mounting.

800 Amps, Eaton / Cutler-Hammer / Westinghouse, HMDL3800, #1433570

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: HMDL3800

800 Amps, Eaton / Cutler-Hammer / Westinghouse, HMDL3800F, #1416522

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: HMDL3800F

800 Amps, Eaton / Cutler-Hammer / Westinghouse, HND3800T33W, #1445213

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: HND3800T33W

800 Amps, Eaton / Cutler-Hammer / Westinghouse, MA3800, #466759

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: MA3800

800 Amps, Eaton / Cutler-Hammer / Westinghouse, MA3800F, #1100951

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: MA3800F

800 Amps, Westinghouse #MC3800F, Molded Case Circuit Breaker, 3-pole, 600 Volt, 3PH

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Westinghouse
Model: CIRCUIT BREAKER
Amperage: 800APoles: 3Voltage: 600 VACFrame Type: MC Frame (Seltronic)Trip Type: Solid State / Thermal-Magnetic (LS)Trip Functions: Long-Time, Short-TimeInterrupting Rating: 30kA @ 480V, 42kA @ 240V, ~22kA @ 600VPhase: 3-Phase.

800 Amps, Westinghouse, NB3800PF, 3 Phase, 30kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Westinghouse
Model: NB3800PF
Westinghouse NB3800PF Molded Case Circuit Breaker. Family Tri-Pac; Type NB; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 30kA@480V AIC; Bolt-On Mounting.

800 Amps, Westinghouse, SPB-100, electrically operated, manually operated, B/I, drawout, Pow-R-7 & Digitrip (20+)

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Westinghouse
Model: SPB100

800 Amps, Westinghouse, SPB-150, 800A Frame, 100kA @600 Volts, Digitrip RMS 500 Trip unit, manually operated Breaker

RS Breakers And Controls | Mississauga, ON
Seller: RS Breakers And Controls
Location: Mississauga, ON
Mfr: Westinghouse
Model: SPB150
Westinghouse SPB 150, 800A Frame, 100kA @600V, Digitrip RMS 500 Trip unit, MO Breaker. Quality: Used, Quantity:1., Pricing is available upon request.

800 Amps, Westinghouse, SPB-50, electrically operated, manually operated, B/I, drawout, Pow-R-7 & Digitrip (20+)

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Westinghouse
Model: SPB50

800 Amps Ch Mdn4083lea02mxnmnn6ypanax Eo/do Unused Surplus 125 Volts DC Control, Digitrip 520m Lsig, 200 Amps Ct, 200 Amps Rp, Bell Alarm

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Model: MDN
Manufacturer Westinghouse / Cutler Hammer Product Family MAGNUM DS Replacement Breaker for OEM type K-600 Type of Low Voltage Power Breaker MDN Frame Rating (Amps) 800A Frame Rating (KA) 22KA Racking Configuration Draw Out Operating Mechanism Electrically Operated (Stored Energy) Shipping Width 24 in Shipping Height ...more

800 Amps Ch Mdn4083xea02mxnmnn4ypanax Mo/do Unused Surplus Digitrip 520m Lsig, 200 Amps Ct, 200 Amps Rp, Bell Alarm

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Model: MDN
Manufacturer Westinghouse / Cutler Hammer Product Family MAGNUM DS Replacement Breaker for OEM type K-600 Type of Low Voltage Power Breaker MDN Frame Rating (Amps) 800A Frame Rating (KA) 22KA Racking Configuration Draw Out Operating Mechanism Mechanically Operated Shipping Width 24 in Shipping Height 29 in Shipping ...more

800 Amps Ch Mdn4083xea02mxnmnn4ypanax Mo/do Unused Surplus Digitrip 520m Lsig, 200 Amps Ct, 200 Amps Rp, Bell Alarm

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Model: MDN
Manufacturer Westinghouse / Cutler Hammer Product Family MAGNUM DS Replacement Breaker for OEM type K-600 Type of Low Voltage Power Breaker MDN Frame Rating (Amps) 800A Frame Rating (KA) 22KA Racking Configuration Draw Out Operating Mechanism Mechanically Operated Shipping Width 24 in Shipping Height 29 in Shipping ...more