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Square D Insulated Case and Molded Case Circuit Breakers

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1051 - 1100 of 1825 listings

350 Amps, Square D, LH36350, 600 Volts, #915810

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LH36350
Square D Circuit Breaker, Molded Case type, Catalog Number LHP36350, 350 amp frame current, 600 volts.

350 Amps, Square D, LHL36350, 600 Volts, #1224965

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LHL36350
Square D Circuit Breaker, Molded Case type, Catalog Number LHL36350, 350 amp frame current, 600 volts.

350 Amps, Square D, LHL363501685, #942704

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LHL363501685
Square D Circuit Breaker, Molded Case type, Catalog Number LHP363501685, 350 amp frame current, 600 volts.

350 Amps, Square D, LHP36350, #1338737

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LHP36350
Square D Circuit Breaker, Molded Case type, Catalog Number LHP36350, 350 amp frame current, 600 volts.

350 Amps, Square D #LI36350, I-Line circuit breaker, 600 Volts, 3 Pole, 100 KA (2 available)

Travel Safe | Arlington, TX
Seller: Travel Safe
Location: Arlington, TX
Mfr: Square D
Model: ILINE CIRCUIT BREAKER
ELECTRICAL, EQUIPMENT, 1-YEAR, WARRANTY, NATIONWIDE, SHIPPING, EQUIPMENT, EXPERTISE, Tmax T2H 100 25 Amp ABB 480V 3P 65kA Bolt-On Circuit Breaker, 25 Amp 480V 3 Pole 65 kA Bolt-On Tmax T2H 100, ITEM, Manufacturer, ABB SACE, Model / Series, Tmax T2H 100, Breaker Type, T2H 100, Amperage, 25 Amp, Poles, 3 Pole, Voltage ...more

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.

350 Amps, Square D #LI36350, I-Line circuit breaker, 600 Volts, 3 Pole, 100kA

Travel Safe | Arlington, TX
Seller: Travel Safe
Location: Arlington, TX
Mfr: Square D
Model: ILINE CIRCUIT BREAKER
LI36350 350 Amp Square D 600V 3P I-Line Circuit Breaker, MANUFACTURER: Square D, MODEL / CATALOG NUMBER: LI36350, EQUIPMENT TYPE: Circuit Breaker, AMPERAGE: 350 Amp, VOLTAGE: 600V, POLES: 3 Pole, INTERRUPTING RATING: 100 kA, MOUNTING / CONNECTION STYLE: I-Line, CONDITION: Used, TRAVEL SAFE INVENTORY ID: TSWH2#18777.

350 Amps, Square D, LI36350, #1304705

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LI36350
Square D Circuit Breaker, Molded Case type, Catalog Number LI36350, 350 amp frame current, 600 volts.

350 Amps, Square D, LI36350, 600 Volts, #1153570

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LI36350
Square D Circuit Breaker, Molded Case type, Catalog Number LI36350, 350 amp frame current, 600 volts.

350 Amp, Square D #LIL36300, Limiter Circuit Breaker

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Square D
Model: LIMITER CIRCUIT BREAKER
VOLTAGE: 600 VAC | AMPS: 350 AMP.

350 Amps, Square D #LIL363501366, Circuit Breaker, 3-Pole, 600 Volts, Bolt-On

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D LIL363501366 Circuit Breaker 350A 3P 600V 3PH LIL Bolt On 350Amp 3Pole, PART NUMBER: LIL363501366, AMPERAGE: 350 Amp, MANUFACTURER: Square D, CIRCUIT BREAKER MOUNT: Bolt On, CONDITION: Used, PHASES: 3, POLES: 3, VOLTAGE: 600 Volt, MAIN BREAKER CATALOG NUMBER: LIL36350, MAXIMUM AMPERAGE: 350 Amp, Square D ...more

350 Amp, Square D #LIL363501366, Limiter Circuit Breaker (2 available)

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Square D
Model: LIMITER CIRCUIT BREAKER
VOLTAGE: 600 VAC | AMPS: 350 AMP.

350 Amps, Square D, MA36350, 600 Volts, #1194076

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MA36350
Square D Circuit Breaker, Molded Case type, Catalog Number MA36350, 350 amp frame current, 600 volts.

350 Amps, Square D #MGL36350, Circuit Breaker, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D MGL36350 Circuit Breaker 350A 600V 3P Used, PART NUMBER: MGL36350, AMPERAGE: 350 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D MGL36350 circuit breaker rated for 350 amps, 3 poles, and 600 volts., Dimensions: 13" x 9" x 4", Weight: 8 lbs.

350 Amps, Square D, MH36350, I-line, high interrupting

Row Electrical Equipment | Toledo, OH
Seller: Row Electrical Equipment
Location: Toledo, OH
Mfr: Square D
Model: MH36350

350 Amps, Square D, MHL36350, #360775

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MHL36350
Square D Circuit Breaker, Molded Case type, Catalog Number MHL36350, 350 amp frame current, 600 volts.

350 Amps, Square D, MHL363501027, #252411

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MHL363501027
Square D Circuit Breaker, Molded Case type, Catalog Number MHL363501027, 350 amp frame current, 600 volts.

350 Amps, Square D, MJA36350, #1320845

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: MJA36350
Square D Circuit Breaker, Molded Case type, Catalog Number MJA36350, 350 amp frame current, 600 volts.

350 Amps, Square D, MJL36350, 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: MJL36350
Square D MJL36350 Molded Case Circuit Breaker. Family Powerpact; Type MJL; 600 Voltage; 3 Pole; 3 Phase; 350 Amp; 65kA@480V AIC; Feed-Through Mounting.

350 Amps, Square D #MX36350 I-Line Circuit Breaker, 600 Volts 3P 3PH

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: 600 V. 3P 3PH
Square D MX36350 I-Line Circuit Breaker 350A 600V 3P 3PH MX 350 AMP 600 Volt, Condition Notes: Good Working Condition. 350A Rating Plug ARP088., Used working condition. Removed from working service environment. Industrial surplus., Most items ship same day or next day of payment received from North Carolina., UPS Next ...more

350 Amp, Square D #Q432350, thermal-magnetic molded case circuit breaker, Q4 frame, 3 Pole, 25 KA, 240 Volts AC

Aucto | San Francisco, CA
Seller: Aucto
Location: El Paso, TX
Mfr: Square D
Model: CIRCUIT BREAKER
THE SQUARE D Q432350 IS A 3-POLE THERMAL-MAGNETIC MOLDED CASE CIRCUIT BREAKER RATED FOR 240 VAC SYSTEMS. IT S A CONTINUOUS CURRENT RATING OF 350 AMPERES. THE INTERRUPTING CURRENT RATING IS 25,000 AMPERES (25 KA) AT 240 VAC, CONSISTENT WITH THE Q4 FRAME SERIES.

400 Amps, Square D, 527397P1, PowerPact Molded Case Circuit Breaker, 600 VAC, 3-pole

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: 527397P1
Square D / Schneider 527397P1 PowerPact Circuit Breaker – 400A – 3 Pole – 600V, Square D / Schneider Electric 527397P1 PowerPact molded case circuit breaker available, removed from an active facility and suitable for commercial or industrial power distribution applications., Manufacturer: Square D / ...more

400 Amps, Square D #DGF36400E0S0, Circuit Breaker, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D DGF36400E0S0 Circuit Breaker 400A 600V 3 Pole, PART NUMBER: DGF36400E0S0, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D DGF36400E0S0 Circuit Breaker 400A 3P 600V 3PH, Includes accessories: STR23SP 400A TRIP. Item pictured will be the exact item you receive ...more

400 Amps, Square D #DGL36400E20, Circuit Breaker, 3-Pole, 600 Volts, Bolt-On

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
SQUARE D DGL36400E20 Circuit Breaker 400A 3P 600V STR23SP Trip Unit 400 Amp, PART NUMBER: DGL36400E20, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CIRCUIT BREAKER MOUNT: Bolt On, CONDITION: Used, MAIN BREAKER CATALOG NUMBER: DGL, MAXIMUM AMPERAGE: 400 Amp, POLES: 3, VOLTAGE: 600 Volt, WIRES: 3, SQUARE D DGL36400E20 ...more

400 Amps, Square D #DGP36400E20, Circuit Breaker, 3-Pole, 600 Volts, Bolt-On, NEW

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D DGP36400E20 Circuit Breaker 400A 3P 600V LS Trip 400 Amp 3 Pole, PART NUMBER: DGP36400E20, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CIRCUIT BREAKER MOUNT: Bolt On, CONDITION: New surplus, MAIN BREAKER CATALOG NUMBER: DGP, MAXIMUM AMPERAGE: 400 Amp, PHASES: 3, POLES: 3, VOLTAGE: 600 Volt, Square D ...more

400 Amps, Square D #DJF36400E20AFSPY001, Circuit Breaker, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D DJF36400E20AFSPY001 Circuit Breaker 400A 600V 3P, PART NUMBER: DJF36400E20AFSPY001, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D DJF36400E20AFSPY001/530429P1 Circuit Breaker 400A 3P 600V 3PH, Includes accessories: STR23SP 400A TRIP. Item pictured will be ...more

400 Amps, Square D Powerpact, DJP36400E54AABC, LSIG with alarm switch

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: DJP36400E54AABC

400 Amps, Square D Powerpact, DJP36400E54AASA, LSIG with aux switch

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: DJP36400E54AASA

400 Amp, Square D #LHL3640036M, Feed-Thru Circuit Breaker, 600 Volts, 3P, 3PH, Type LHL

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: FEEDTHRU CIRCUIT BREAKER
Square D LHL3640036M Feed-Thru Circuit Breaker 400A 600V 3P 3PH Type LHL 400 AMP., Condition Notes: Short Leads., Used working condition. Removed from working service environment. Industrial surplus., Most items ship same day or next day of payment received from North Carolina., UPS Next Day Air orders will ship same ...more

400 Amps, Square D, IL36400, I-Limiter I-Line circuit breaker, 480 Volts, 3-phase, 3-pole

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: IL36400
Square D IL36400 I-Limiter I-Line Circuit Breaker 400A 3P 480V IL Series 3 Phase, Brand: Square D Model: IL36400 Type: I-Limiter I-Line Circuit Breaker 400 Amp 3 Pole 480V IL SeriesType IL 3 PhaseThermal Magnetic, Condition: Used working condition. Removed from working service environment. Industrial surplus., Most ...more

400 Amps, Square D #INSJ400, Molded Case Switch, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: SWITCH
Square D INSJ400, PART NUMBER: INSJ400, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, SQD switch disconnector Interpact INSJ400 3 poles 400A 600V.

400 Amps, Square D #LA26400AC, I-Line Circuit Breaker, 2-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: ILINE CIRCUIT BREAKER
Square D LA26400AC, PART NUMBER: LA26400AC, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CIRCUIT BREAKER MOUNT: I-Line Style Plug-In, CONDITION: Used, POLES: 2, VOLTAGE: 600 Volt, Square D LA26400AC 2 pole 400 Amp 600 volt.

400 Amps, Square D, LA26400AC2100, New out of Box, 600 Volts, #976392

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LA26400AC2100
Square D Circuit Breaker, Molded Case type, Catalog Number LA26400AC2100, 400 amp frame current, 600 volts.

400 Amps, Square D #LA34400MC, Molded Case Circuit Breaker, 3-pole, 600 VAC/250 VDC, 3PH

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: CIRCUIT BREAKER
Amperage: 400A, Poles: 3, Voltage: 600 VAC / 250 VDC, Frame Type: L-Frame (LA Series, I-Line), Trip Type: Thermal-Magnetic (LI), Trip Functions: Long-Time, Instantaneous, Interrupting Rating: 30kA @ 480V, 65kA @ 240V, ~22kA @ 600V, Phase: 3-Phase.

400 Amps, Square D #LA36400, I-Line Circuit Breaker, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: ILINE CIRCUIT BREAKER
Square D LA36400, PART NUMBER: LA36400, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CIRCUIT BREAKER MOUNT: I-Line Style Plug-In, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D LA36400 400A 600V 3 Pole I-Line Circuit Breaker.

400 Amps, Square D #LA36400, I-Line Circuit Breaker, 3-Pole, 600 Volts, NEW

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: ILINE CIRCUIT BREAKER
Square D LA36400 I-Line Circuit Breaker 400A 3P 600V 3PH LA 400 Amp 3 Pole, PART NUMBER: LA36400, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: New surplus, PHASES: 3, POLES: 3, VOLTAGE: 600 Volt, MAIN BREAKER CATALOG NUMBER: LA-36400, MAXIMUM AMPERAGE: 400 Amp, SQD LA36400 I-Line Circuit Breaker 400A 3P 600V ...more

400 Amps, Square D, LA36400, #1393737

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LA36400

400 Amps, Square D, LA36400, #1410148

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LA36400

400 Amps, Square D, LA36400, New out of Box, #1387385

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LA36400

400 Amps, Square D, LA36400, I-line, adjustable trips

Row Electrical Equipment | Toledo, OH
Seller: Row Electrical Equipment
Location: Toledo, OH
Mfr: Square D
Model: LA36400

400 Amps, Square D, LA36400, 600 Volts, #1231703

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LA36400
Square D Circuit Breaker, Molded Case type, Catalog Number LA36400, 400 amp frame current, 600 volts.

400 Amps, Square D, LA36400, 600 Volts, #1267283

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LA36400

400 Amps, Square D #LA36400-Gray, I-Line Circuit Breaker, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: ILINE CIRCUIT BREAKER
Square D LA36400 Circuit Breaker 400A 3P 600V 3PH LA I-Line 400 Amp 3 Pole Gray, PART NUMBER: LA36400, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D LA36400 Circuit Breaker 400A 3P 600V 3PH LA I-Line 400 Amp 3 Pole Gray, Additional notes: D08S13.

400 Amps, Square D #LAL, Circuit Breaker, 3-Pole, 600 Volts

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D LAL, PART NUMBER: LAL, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D LAL36400MB, 3 Pole, 400 Amp, 600 Volt Circuit Breaker.

400 Amps, Square D, LAL3640036M, Unit Mount Circuit Breaker, 3 Pole, 3 phase, 600 Volts

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: LAL3640036M
Square D LAL3640036M Unit Mount Circuit Breaker 400A 600V 3P 3PH LAL 400 AMP., Condition Notes: Chipped No Mounting Hardware Included., Used working condition. Removed from working service environment. Industrial surplus., Most items ship same day or next day of payment received from North Carolina., UPS Next Day Air ...more

400 Amps, Square D, LAL26400MB, #1219293

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LAL26400MB

400 Amps, Square D #LAL35400, Molded Case Circuit Breaker, 3-pole, 600 VAC/250 VDC, 3PH

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: CIRCUIT BREAKER
Amperage: 400APoles: 3Voltage: 600 VAC / 250 VDCFrame Type: L-Frame (LAL Series)Trip Type: Thermal-Magnetic (LI)Interrupting Rating: 35kA @ 480V, 65kA @ 240V, 18–22kA @ 600VPhase: 3-Phase.

400 Amps, Square D, LAL36000, 600 Volts, #917406

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LAL36000
Square D Circuit Breaker, Molded Case type, Catalog Number LAL36000, 400 amp frame current, 600 volts.

400 Amps, Square D #LAL36000M, Circuit Breaker, 3-Pole, 600 Volts, Bolt-On

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D LAL36000M, PART NUMBER: LAL36000M, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CIRCUIT BREAKER MOUNT: Bolt On, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D LAL36000M 400A 480V 3P Lug to Lug Circuit Breaker.

400 Amps, Square D #LAL36400, Circuit Breaker, 3-Pole, 600 Volts, Bolt-On

Brilliant Equipment Services | Burlington, NC
Seller: Brilliant Equipment Services
Location: Burlington, NC
Mfr: Square D
Model: CIRCUIT BREAKER
Square D LAL36400, PART NUMBER: LAL36400, AMPERAGE: 400 Amp, MANUFACTURER: Square D, CONDITION: Used, POLES: 3, VOLTAGE: 600 Volt, Square D LAL36400 Circuit Breaker 400A 3P 600V 3PH LAL Bolt On.

400 Amps, Square D, LAL36400, #1411728

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: LAL36400