Molded Case Circuit Breakers (MCCB)
Shop molded case circuit breakers for industrial and commercial distribution systems, panelboards, switchboards, motor control centers, bus plugs, machinery, and enclosed-breaker applications.
Available configurations may include fixed or interchangeable thermal-magnetic trips, electronic LS/LSI/LSIG trip units, magnetic-only motor circuit protectors, 1-, 2-, 3- and 4-pole designs, and common voltage and interrupting ratings. Always verify the exact frame, trip, voltage, poles, kAIC, terminals, mounting, and listing before replacement.
Send the catalog number and label photos to sales@ampstate.com for compatibility review and a formal quote. View all circuit breakers.
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THJK 2-Pole Molded Case Circuit Breaker, 600V, 600A Frame, Custom Trip Unit, 30kAIC @ 480V / 22kAIC @ 600V
Regular price
$3,850.00
Sale price
$3,850.00
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Engineered for demanding 600-volt electrical environments, the THJK 2-Pole Molded Case Circuit Breaker delivers tailored...
Industrial EHMCCBI Circuit Breaker
Regular price
$836.00
Sale price
$836.00
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Industrial EHMCCBI Circuit Breaker is a purpose-built overcurrent protection device engineered for the most demanding...
General Electric TED136020 600VAC 20AMPS 3-Pole Molded Case Circuit Breaker
Regular price
$303.00
Sale price
$303.00
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Meet the General Electric TED136020 600VAC 20A 3-Pole Molded Case Circuit Breaker — a rugged,...
Terasaki XS125NJ Auxiliary Contact Spare For MCCB 3-Pole Circuit Breaker
Regular price
$883.00
Sale price
$883.00
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Terasaki XS125NJ Auxiliary Contact Spare for MCCB 3-Pole Circuit Breaker is a purpose-built accessory that...
Eaton-BAB3050H-Molded Case Circuit Breaker-50A, 3-Phases, 240V
Regular price
$471.00
Sale price
$471.00
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Eaton BAB3050H Molded Case Circuit Breaker — 50A, 3-Phase, 240V — engineered to deliver dependable...
Dong-A DB63CB DEVICO MCCB 20A 3P 460V Molded Case Circuit Breaker
Regular price
$731.00
Sale price
$731.00
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Dong-A DB63CB DEVICO MCCB 20A 3P 460V Molded Case Circuit Breaker delivers reliable, ready-to-implement protection...
Eaton-CCVH2200-Molded Case Circuit Breaker-200A, 1-Phase, 120/240V
Regular price
$1,352.00
Sale price
$1,352.00
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The Eaton CCVH2200 Molded Case Circuit Breaker delivers sturdy, reliable protection for power distribution in...
Schneider Electric Compact NSX250N MCCB 250A 3P Molded Case Circuit Breaker
Regular price
$1,470.00
Sale price
$1,470.00
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Meet the Schneider Electric Compact NSX250N MCCB — a 250A, 3P molded case circuit breaker...
SCHNEIDER ELECTRIC SQUARE D HJ 150 150A 3POLE MOLDED CASE CIRCUIT BREAKER
Regular price
$1,061.00
Sale price
$1,061.00
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Schneider Electric’s SCHNEIDER ELECTRIC SQUARE D HJ 150 150A 3POLE Molded Case Circuit Breaker delivers...
General-Purpose Molded Case Circuit Breaker CE400H 4P Brand , No Out
Regular price
$1,109.00
Sale price
$1,109.00
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The General-Purpose Molded Case Circuit Breaker CE400H 4P No Out is a dependable overcurrent protection...
Dong-A DB53F MCCB 40A 3P 460V Industrial Circuit Breaker Molded Case
Regular price
$793.00
Sale price
$793.00
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Dong-A DB53F MCCB 40A 3P 460V Molded-Case Circuit Breaker delivers dependable protection for three‑phase electrical...
Siemens 3VA6110-6HL31-0AA0 3 Pole 100AMP Molded Case Circuit Breaker
Regular price
$1,166.00
Sale price
$1,166.00
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Meet Siemens 3VA6110-6HL31-0AA0, a robust 3-pole molded case circuit breaker designed for dependable electrical distribution...
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