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Electrical & Power / Insulated Case and Molded Case Circuit Breakers

Insulated Case and Molded Case Circuit Breakers

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401 - 450 of 4212 listings

125 Amps, Square D, HDA36125, I-line

Row Electrical Equipment | Toledo, OH
Seller: Row Electrical Equipment
Location: Toledo, OH
Mfr: Square D
Model: HDA36125

125 Amps, Square D, HDL36125, Feed-Thru Circuit Breaker, 3 Pole, 3 phase, 600 Volts

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: HDL36125
Square D HDL36125 Feed-Thru Circuit Breaker 125A 600V 3P 3PH HDL 125 AMP 3 Pole., Condition Notes: 1 MOUNTING SCREW. HAS ALL LUG SCREWS., 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 ...more

125 Amps, Square D, HGL36125SA, New out of Box, #1220034

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: HGL36125SA
Square D Circuit Breaker, Molded Case type, Catalog Number HGL36125SA, 125 amp frame current, 600 volts.

125 Amps, Square D, HJA36125, 65k I-line, 3 pole, new

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: HJA36125

125 Amps, Square D, HJL36125, #1419220

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: HJL36125

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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.

125 Amps, Square D, HJP36125T, HJL125A frame w/T suffix = interchangable trip

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: HJP36125T

125 Amps, Square D #KA36125, Molded Case Circuit Breaker, 3-pole, 240/480/600 VAC, 250 VDC, 3PH

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: CIRCUIT BREAKER
Amperage: 125APoles: 3Voltage: 240/480/600 VAC, 250 VDCFrame Type: K-Frame (KA Series)Trip Type: Thermal-Magnetic (LI)Trip Functions: Long-Time, Instantaneous (adjustable magnetic)Interrupting Rating: 25kA @ 480V, 42kA @ 240V, 22kA @ 600VPhase: 3-Phase.

125 Amps, Square D, KAL36125, New out of Box, #1408814

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KAL36125

125 Amps, Square D #KAL36125139, Molded Case Circuit Breaker, 3-pole, 240/480/600 VAC, 250 VDC, 3PH

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: CIRCUIT BREAKER
Amperage: 125APoles: 3Voltage: 240/480/600 VAC, 250 VDCFrame Type: K-Frame (KAL Series)Trip Type: Thermal-Magnetic (LI)Trip Functions: Long-Time, Instantaneous (adjustable magnetic)Interrupting Rating: 42kA @ 240V, 25kA @ 480V, 22kA @ 600VPhase: 3-Phase.

125 Amps, Square D, KAL361256139, New out of Box, 600 Volts, #1138354

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KAL361256139
Square D Circuit Breaker, Molded Case type, Catalog Number KAL361256139, 125 amp frame current, 600 volts.

125 Amps, Square D, KC34125, #725557

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KC34125
Square D Circuit Breaker, Molded Case type, Catalog Number KCP34125, 125 amp frame current, 480 volts.

125 Amps, Square D, KC34125G, #1393961

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KC34125G

125 Amps, Square D, KCF34125, #840604

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KCF34125
Square D Circuit Breaker, Molded Case type, Catalog Number KCF34125, 125 amp frame current, 480 volts.

125 Amps, Square D, KCJ34125, 480 Volts, #1147243

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KCJ34125
Square D Circuit Breaker, Molded Case type, Catalog Number KCJ34125, 125 amp frame current, 480 volts.

125 Amps, Square D, KCJ34125 KCJ/KCL, circuit breaker w/KCJ hardware

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: KCJ34125 KCJ/KCL

125 Amps, Square D, KCL34125, Molded Case Circuit Breaker, 480 Volts, 3-pole

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: KCL34125

125 Amps, Square D, KCP34125, 480 Volts, #947733

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KCP34125
Square D Circuit Breaker, Molded Case type, Catalog Number KCP34125, 125 amp frame current, 480 volts.

125 Amps, Square D, KH36125, 600 Volts, #1291773

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KH36125
Square D Circuit Breaker, Molded Case type, Catalog Number KHP36125, 125 amp frame current, 600 volts.

125 Amps, Square D, KHL361256151, Molded Case Circuit Breaker, 3-Pole, 600 VAC/250 VDC

Powerhouse Systems Llc | Niota, TN
Seller: Powerhouse Systems Llc
Location: Niota, TN
Mfr: Square D
Model: KHL361256151

125 Amps, Square D, KHP36125, 600 Volts, #1152454

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KHP36125
Square D Circuit Breaker, Molded Case type, Catalog Number KHP36125, 125 amp frame current, 600 volts.

125 Amps, Square D, KI36125, 600 Volts, #1291633

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KI36125
Square D Circuit Breaker, Molded Case type, Catalog Number KIP36125, 125 amp frame current, 600 volts.

125 Amps, Square D, KIP36125, 600 Volts, #1257695

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: KIP36125
Square D Circuit Breaker, Molded Case type, Catalog Number KIP36125, 125 amp frame current, 600 volts.

125 Amps, Square D, QE3125VH, #905953

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: QE3125VH
Square D Circuit Breaker, Molded Case type, Catalog Number QE3125VH, 125 amp frame current, 240 volts.

125 Amps, Square D, QJL32125, New in Box, #151961

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Square D
Model: QJL32125
Square D Circuit Breaker, Molded Case type, Catalog Number QJL32125, 125 amp frame current, 240 volts.

125 Amps, Eaton / Cutler-Hammer / Westinghouse, HFD3125, #1432571

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: HFD3125

125 Amps, Eaton / Cutler-Hammer / Westinghouse, HFD3125L, New out of Box, #1222371

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Westinghouse
Model: HFD3125L

GE Tfj 125 Line Mccb 125 Amps Thermal Mag Trip

National Switchgear - Circuit Breakers etc. | Lewisville, TX
Seller: National Switchgear - Circuit Breakers etc.
Location: Lewisville, TX
Manufacturer Electric Product Family TFJ Type of Molded Case Breaker TFJ Frame Rating (Volts) 600 Frame Rating (Amps) 125A Shipping Width 12 in Shipping Height 12 in Shipping Depth 9 in Shipping Weight 30 lb.

150 Amps, ABB Instantaneous Trip Circuit Breaker, SACE T4N 250, 3 Pole, 600 Volts, Used

Jack Wilkerson Industrial Surplus | Gonzales, LA
Seller: Jack Wilkerson Industrial Surplus
Location: Gonzales, LA
Mfr: Abb
Model: SACE T4N 250
For sale is one (1) used ABB Instantaneous Trip Circuit Breaker. SACE T4N 250. 600 Volts, 150 Amp, 3 Pole. With a rotary operator installed., This breaker came to us as “used in working condition”. We believe that it works but no way for us to test and say for sure. We have checked and it does have ...more

150 Amps, ABB, Sace Tmax XT4NU2150AYJ000XXX, Circuit Breaker, 2P, 600 Volts, Type XT4N 250

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Abb
Model: SACE TMAX XT4NU2150AYJ000XXX

150 Amps, Cutler-Hammer/Eaton, HFD3150, Series C, F frame, HFD type, 150 amp, 3 pole, 65kA @ 480 Volts, 600 Volts

Denver Breaker & Supply | Denver, CO
Seller: Denver Breaker & Supply
Location: Denver, CO
Mfr: Cutler-Hammer
Model: HFD3150

150 Amps, Eaton, ED3150, New out of Box, #1410650

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: ED3150

150 Amps, Eaton, FD3150, New out of Box, #1327104

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: FD3150
Eaton Circuit Breaker, Molded Case type, Catalog Number FD3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, FD4150, #056174

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: FD4150
Eaton Circuit Breaker, Molded Case type, Catalog Number FD4150, 150 amp frame current, 600 volts.

150 Amps, Eaton, FDC3150, #1322566

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: FDC3150
Eaton Circuit Breaker, Molded Case type, Catalog Number FDC3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, HFD3150, HFD-65k, New out of Box, #1412311

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HFD3150

150 Amps, Eaton, HFD3150, manually operated, Fixed, #MC5816

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HFD3150
Eaton Circuit Breaker, Molded Case type, Catalog Number HFD3150, 150 amp frame current, 600 volts, Manual operation, HFD-65k mounting.

150 Amps, Eaton, HJD3150, #1399024

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HJD3150

150 Amps, Eaton, HJD3150, #1422155

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HJD3150

150 Amps, Eaton, HKA3150, #471924

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HKA3150
Eaton Circuit Breaker, Molded Case type, Catalog Number HKA3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, HKL3150, #684943

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HKL3150
Eaton Circuit Breaker, Molded Case type, Catalog Number HKL3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, HLB3150, #515148

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: HLB3150
Eaton Circuit Breaker, Molded Case type, Catalog Number HLB3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, JD3150, #1164442

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: JD3150
Eaton Circuit Breaker, Molded Case type, Catalog Number JD3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, LA2150PR, #554998

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: LA2150PR
Eaton Circuit Breaker, Molded Case type, Catalog Number LA2150PR, 150 amp frame current, 600 volts.

150 Amps, Eaton, LA3150PR, #439666

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: LA3150PR
Eaton Circuit Breaker, Molded Case type, Catalog Number LA3150PR, 150 amp frame current, 600 volts.

150 Amps, Eaton, LB3150, 600 Volts, #834836

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: LB3150
Eaton Circuit Breaker, Molded Case type, Catalog Number LB3150, 150 amp frame current, 600 volts.

150 Amps, Eaton, MCP03150SR, #147387

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: MCP03150SR
Eaton Circuit Breaker, Molded Case type, Catalog Number MCP03150SR, 150 amp frame current, 600 volts.

150 Amps, Eaton, MCP431800RC, 600 Volts, #91521-1

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Eaton
Model: MCP431800RC
Eaton Circuit Breaker, Molded Case type, Catalog Number MCP431800RC, 150 amp frame current, 600 volts.

150 Amps, Federal Pacific Electric, NJL631150R, #683675

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Federal Pacific
Model: NJL631150R
Federal Pacific Electric Circuit Breaker, Molded Case type, Catalog Number NJL631150R, 150 amp frame current, 600 volts.

150 Amps, Federal Pacific Electric, NJS6315, 600 Volts, #1046166

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Federal Pacific
Model: NJS6315
Federal Pacific Electric Circuit Breaker, Molded Case type, Catalog Number NJS6315, 150 amp frame current, 600 volts.

150 Amps, Federal Pacific Electric, XJL434150, #766100

RESA Power Solutions | Cerritos, CA
Seller: RESA Power Solutions
Location: Cerritos, CA
Mfr: Federal Pacific
Model: XJL434150
Federal Pacific Electric Circuit Breaker, Molded Case type, Catalog Number XJL434150, 150 amp frame current, 480 volts.