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Square D Insulated Case and Molded Case Circuit Breakers

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551 - 600 of 906 listings

600 Amps, Square D, MX36600G, 3 Phase, 65kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: MX36600G
Square D MX36600G Molded Case Circuit Breaker. Family I-Line; Type MX; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

600 Amps, Square D, NA36600, #1315981

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: NA36600
Square D Circuit Breaker, Molded Case type, Catalog Number NA36600, 600 amp frame current, 600 volts.

600 Amps, Square D, NED36600LSG, 600 Volts, #966945

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: NED36600LSG
Square D Circuit Breaker, Molded Case type, Catalog Number NED36600LSG, 600 amp frame current, 600 volts.

600 Amps, Square D, PGA36060U31A, 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: PGA36060U31A
Square D PGA36060U31A Molded Case Circuit Breaker. Family Powerpact; Type PGA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 35kA@480V AIC; I-Line Style Plug-In Mounting.

600 Amps, Square D, PGA36060U33A, 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: PGA36060U33A
Square D PGA36060U33A Molded Case Circuit Breaker. Family Powerpact; Type PGA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 35kA@480V AIC; I-Line Style Plug-In Mounting.

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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.

600 Amps, Square D, PJA36060, manually operated, 600 Volts, Fixed, #MC5066

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJA36060
Square D Circuit Breaker, Molded Case type, Catalog Number PJA36060, 600 amp frame current, 600 volts, Manual operation, Fixed mounting.

600 Amps, Square D, PJA36060CU33A, 3 Phase, 65kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PJA36060CU33A
Square D PJA36060CU33A Molded Case Circuit Breaker. Family Powerpact; Type PJA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

600 Amps, Square D, PJA36060CU44A, #1407747

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: PJA36060CU44A

600 Amps, Square D, PJA36060CU44A, molded case, new (6 available)

Five Star Circuit Breaker | Harbor City, CA
Seller: Five Star Circuit Breaker
Location: Harbor City, CA
Mfr: Square D
Model: PJA36060CU44A

600 Amps, Square D, PJA36060U43A, 3 Phase, 65kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PJA36060U43A
Square D PJA36060U43A Molded Case Circuit Breaker. Family Powerpact; Type PJA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

600 Amps, Square D, PKA36060U41A, 3 Phase, 50kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: PKA36060U41A
Square D PKA36060U41A Molded Case Circuit Breaker. Family Powerpact; Type PKA; 600 Voltage; 3 Pole; 3 Phase; 600 Amp; 50kA@480V AIC; I-Line Style Plug-In Mounting.

600 Amps, Square D, PLA34060, 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: PLA34060
Square D PLA34060 Molded Case Circuit Breaker. Family Powerpact; Type PLA; 480 Voltage; 3 Pole; 3 Phase; 600 Amp; 100kA@480V AIC; I-Line Style Plug-In Mounting.

600 Amps, Square D, PowerPact I-Line PL 600, PLA34060CU64AE1AA, 480V., 3 Pole, Micrologic 6.0P LSIG, New in Box

Green Industrial LLC | Belgium, WI
Seller: Green Industrial LLC
Location: Belgium, WI
Mfr: Square D
Model: POWERPACT ILINE PL 600

600 Amps, Square D, PowerPact PJ600, PJA36060U33A

BCS Switchgear Inc | Krugerville, TX
Seller: BCS Switchgear Inc
Location: Krugerville, TX
Mfr: Square D
Model: POWERPACT PJ600

600 Amps, Square D, SED363000LSG, 3 Volts, #938868

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SED363000LSG
Square D Circuit Breaker, Insulated Case type, Catalog Number SED363000LSG, 600 amp frame current, 3 volts.

600 Amps, Square D, SED363000LSGES1A8, 100 kA @ 480 Volts, Drawout, 3 Volts, #1287589

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SED363000LSGES1A8
Square D Circuit Breaker, Insulated Case type, Catalog Number SED363000LSGES1A8, 600 amp frame current, 3 volts, 100kA@480V operation, Drawout mounting.

600 Amps, Square D, SED363000LSGES2A8, 100 kA @ 480 Volts, drawout, 3 Volts, #1287591

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SED363000LSGES2A8
Square D Circuit Breaker, Insulated Case type, Catalog Number SED363000LSGES2A8, 600 amp frame current, 3 volts, 100kA@480V operation, Drawout mounting.

600 Amps, Square D, SED36800LSS1, 100kA@480V, Drawout, 3 Volts, #825005

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SED36800LSS1
Square D Circuit Breaker, Insulated Case type, Catalog Number SED36800LSS1, 600 amp frame current, 3 volts, 100kA@480V operation, Drawout mounting.

600 Amps, Square D, SEF361600LSES1A8, 100kA@480V, Fixed Mount, 3 Volts, #1349830

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SEF361600LSES1A8
Square D Circuit Breaker, Insulated Case type, Catalog Number SEF361600LSES1A8, 600 amp frame current, 3 volts, 100kA@480V operation, Fixed Mount mounting.

600 Amps, Square D, SEF361600LSGES1B8, 100kA@480V, Fixed Mount, 3 Volts, #1128306

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SEF361600LSGES1B8
Square D Circuit Breaker, Insulated Case type, Catalog Number SEF361600LSGES1B8, 600 amp frame current, 3 volts, 100kA@480V operation, Fixed Mount mounting.

600 Amps, Square D, SEF364000LSG, 100kA@480V, Bolt-On, 3 Volts, #1257541

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: SEF364000LSG
Square D Circuit Breaker, Insulated Case type, Catalog Number SEF364000LIS1, 600 amp frame current, 3 volts.

600 Amps, Square D, X6304, Molded Case Circuit Breaker, 600 VAC, 3-pole

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: X6304
Square D X-6304 Circuit Breaker – 600A – 3 Pole – 600VAC, Square D X-6304 molded case circuit breaker available, removed from an active facility and suitable for commercial or industrial power distribution applications., Manufacturer: Square D / Schneider Electric, Model: X6304 / X-6304, verify full ...more

700 Amps, Square D, MA36700, I-Line, 600 Volts, MA

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: MA36700

700 Amps, Square D, MA36700, #918889

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MA36700
Square D Circuit Breaker, Molded Case type, Catalog Number MA36700, 700 amp frame current, 600 volts.

700 Amps, Square D, MAL36700, New out of Box, #1326865

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MAL36700
Square D Circuit Breaker, Molded Case type, Catalog Number MAL36700, 700 amp frame current, 600 volts.

700 Amps, Square D, MAF36700, Circuit Breaker, Drawout, 3 Pole, 1 Throw, 600 VAC, 250 VDC

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: MAF36700
Square D MAF36700 Circuit Breaker 700 Amp 3 Pole Drawout 600 VAC Type MAP MAL, Bran: Square DMPN: MAF36700Hardware MPN: MMA36700CUType: Circuit Breaker700 Amp 3 Pole600 VAC 250 VDCCircuit Breaker Type: MALCircuit breaker has hardware for draw out style installation on a Bus Plug SystemCan be converted to MAL and MAP ...more

700 Amps, Square D, ME36700LS, 3 Phase, 65kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: ME36700LS
Square D ME36700LS Molded Case Circuit Breaker. Family I-Line; Type ME; 600 Voltage; 3 Pole; 3 Phase; 700 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

700 Amps, Square D, ME36700LSG, #1406893

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: ME36700LSG

700 Amps, Square D, MGA36700, 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: MGA36700
Square D MGA36700 Molded Case Circuit Breaker. Family Powerpact; Type MGA; 600 Voltage; 3 Pole; 3 Phase; 700 Amp; 35kA@480V AIC; I-Line Style Plug-In Mounting.

700 Amps, Square D, MH36700, #1313103

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MH36700
Square D Circuit Breaker, Molded Case type, Catalog Number MH36700, 700 amp frame current, 600 volts.

700 Amps, Square D, MHL36700, molded case, 600 Volts, #839738

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MHL36700
Square D Circuit Breaker, Molded Case type, Catalog Number MHL36700, 700 amp frame current, 600 volts.

700 Amps, Square D, MHL367001212, 600 Volts

Equipment Recovery Corp | Willoughby, OH
Seller: Equipment Recovery Corp
Location: Willoughby, OH
Mfr: Square D
Model: MHL367001212
Brand: SQUARE D, Condition: USED, "AS-IS", Cat: MHL367001212, Type: MAL, Serial: -, Power Rating: 700 A, 600 V, 50/60 HZ, Weight: 31 LBS, Category: CIRCUIT BREAKER, Shipping Dimensions: -, ERC #: MO-5304, Job #: 128, Additional Notes: -.

700 Amps, Square D, MHL367001212, 3P, 600 VAC w/auxiliary, large quantity avail

Relectric Supply Co. | San Jose, CA
Seller: Relectric Supply Co.
Location: San Jose, CA
Mfr: Square D
Model: MHL367001212

700 Amps, Square D, MHL367001212, New out of Box, #252409

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MHL367001212
Square D Circuit Breaker, Molded Case type, Catalog Number MHL367001212, 700 amp frame current, 600 volts.

700 Amps, Square D, MHL367001386, Molded Case Circuit Breaker, 600 VAC/250 VDC, 3-pole

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: MHL367001386
Square D MHL367001386 Circuit Breaker – 700A – 3 Pole – MHL Series, Square D MHL367001386 molded case circuit breaker available, removed from an active facility and suitable for commercial or industrial power distribution applications., Manufacturer: Square D / Schneider Electric, Model: ...more

700 Amps, Square D, MHL3670035DC1616, #465701

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MHL3670035DC1616
Square D Circuit Breaker, Molded Case type, Catalog Number MHL3670035DC1616, 700 amp frame current, 600 volts.

700 Amps, Square D, MJA36700, 3 Phase, 65kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: MJA36700
Square D MJA36700 Molded Case Circuit Breaker. Family Powerpact; Type MJA; 600 Voltage; 3 Pole; 3 Phase; 700 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

700 Amps, Square D, MX36700G, 3 Phase, 65kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: MX36700G
Square D MX36700G Molded Case Circuit Breaker. Family I-Line; Type MX; 600 Voltage; 3 Pole; 3 Phase; 700 Amp; 65kA@480V AIC; I-Line Style Plug-In Mounting.

700 Amps, Square D, NC36700, #532570

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: NC36700
Square D Circuit Breaker, Molded Case type, Catalog Number NC36700, 700 amp frame current, 600 volts.

700 Amps, Square D, NED36700LSG, 600 Volts, #966943

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: NED36700LSG
Square D Circuit Breaker, Molded Case type, Catalog Number NED36700LSG, 700 amp frame current, 600 volts.

700 Amps, Square D #MJA36700, PowerPact I-Line Circuit Breaker, 3P, 600 Volts, unused

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: POWERPACT ILINE CIRCUIT BREAKER

800 Amps, Square D, MA36800, #1393614

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MA36800

800 Amps, Square D, MA36800, #1391939

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MA36800
Square D Circuit Breaker, Molded Case type, Catalog Number MA36800, 800 amp frame current, 600 volts.

800 Amps, Square D, MA36800, 3 Phase, 30kA @ 480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: MA36800
Square D MA36800 Molded Case Circuit Breaker. Family I-Line; Type MA; 600 Voltage; 3 Pole; 3 Phase; 800 Amp; 30kA@480V AIC; I-Line Style Plug-In Mounting.

800 Amps, Square D, MA36800, I-line, adjustable trips

Row Electrical Equipment | Toledo, OH
Seller: Row Electrical Equipment
Location: Toledo, OH
Mfr: Square D
Model: MA36800

800 Amps, Square D, MA36800WBS2807, #664397

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MA36800WBS2807
Square D Circuit Breaker, Molded Case type, Catalog Number MA36800WBS2807, 800 amp frame current, 600 volts.

800 Amps, Square D, MAL360008M, 600 Volts, #1121169

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MAL360008M
Square D Circuit Breaker, Molded Case type, Catalog Number MAL360008M, 800 amp frame current, 600 volts.

800 Amps, Square D, MAL36800, adj. trips

Row Electrical Equipment | Toledo, OH
Seller: Row Electrical Equipment
Location: Toledo, OH
Mfr: Square D
Model: MAL36800

800 Amps, Square D, MAL3680045M, #271551

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MAL3680045M
Square D Circuit Breaker, Molded Case type, Catalog Number MAL3680045M, 800 amp frame current, 600 volts.

800 Amps, Square D, MAP36800, #1345444

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MAP36800
Square D Circuit Breaker, Molded Case type, Catalog Number MAP36800, 800 amp frame current, 600 volts.