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Used Square D Molded Case Circuit Breakers (Mccb) in Ohio, USA

Trusted Seller
Square D Molded Case Circuit Breaker
- used
- Manufacturer: Square D
New Open Box Name: Molded Case Circuit Breaker | Arrival date: 08-11-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 3PH, 45A, 480VAC | Weight (lb.): 5 | Available quantity: 1
$599 USD
Euclid, OH
Trusted Seller
Square D LAL3640036M Molded Case Circuit Breaker 3p 600v-ac 400a Amp
- new
- Manufacturer: Square D
- Model: LAL3640036M
“New without Factory Packaging” Model number: LAL3640036M | Current: 400 A AMP | Voltage (ac): 600 V-AC | # poles: 3P | Mpn: LAL3640036M | Shipping weight: 19.2 lbs | Shipping dimensions: 20.5 x 14.5 x 12 in | Re...
$5,427 USD
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Est. $107/mo
Delta, OH
Trusted Seller
Square D LAL3640036M Molded Case Circuit Breaker 400a Amp 600v-ac 3p
- new
- Manufacturer: Square D
- Model: LAL3640036M
“New without Factory Packaging” Model number: LAL3640036M | Current: 400 A AMP | Voltage (ac): 600 V-AC | # poles: 3P | Mpn: LAL3640036M | Shipping weight: 17 lbs | Shipping dimensions: 14 x 9 x 8 in | Reference ...
$5,888 USD
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Est. $116/mo
Delta, OH
Trusted Seller
Square D MGL36800E10 Molded Case Circuit Breaker 3p 800a Amp 600v-ac
- new
- Manufacturer: Square D
“SHELF WEAR” Model number: MGL36800E10 | # poles: 3P | Current: 800 A AMP | Voltage (ac): 600 V-AC | Mpn: MGL36800E10 | Shipping weight: 28.4 lbs | Shipping dimensions: 16 x 11.5 x 11 in | Additional notes: SHELF...
$5,378 USD
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Est. $106/mo
Delta, OH
Trusted Seller
Square D LXIL36400 Molded Case Circuit Breaker 3p 400a Amp 240/480/600v-ac
- new
- Manufacturer: Square D
“New without Factory Packaging” Model number: LXIL36400 | # poles: 3P | Current: 400 A AMP | Voltage (ac): 240 V-AC, 480 V-AC, 600 V-AC | Mpn: LXIL36400 | Shipping weight: 29.4 lbs | Shipping dimensions: 20.5 x 1...
$5,945 USD
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Est. $117/mo
Delta, OH
Trusted Seller
Square D PL1200 PLM34120CU44A Molded Case Circuit Breaker 3p 1200a 240/480v-ac
- used
- Manufacturer: Square D
“W/O BOTTOM TERMINAL” Model number: PL1200 PLM34120CU44A | # poles: 3P | Current: 1200 A AMP | Voltage (ac): 240 V-AC, 480 V-AC | Mpn: PL1200 PLM34120CU44A | Shipping weight: 34.6 lbs | Shipping dimensions: 18 x ...
$5,430 USD
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Est. $107/mo
Delta, OH
Trusted Seller
Square D MHL3660042M Mhl-36600-42m Molded Case Circuit Breaker 3p 600a 600v-ac
- used
- Manufacturer: Square D
“Used” Model number: MHL3660042M | # poles: 3P | Current: 600 A AMP | Voltage (ac): 600 V-AC | Mpn: MHL3660042M | Shipping weight: 33 lbs | Shipping dimensions: 17 x 12 x 9 in | Reference sku: 1013114
$7,234 USD
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Est. $142/mo
Delta, OH
Square D Masterpact 1200A NW12HF, Schneider Electric, CAT: BL3CCVSSX9CFBFXXCA
- used
- Manufacturer: Square D
- Model: NW12
Square D Masterpact 1200A NW12HF - Schneider Electric, CAT: BL3CCVSSX9CFBFXXCA
$2,475 USD
Toledo, OH

Overview

Circuit breakers are essential safety devices that protect electrical circuits from damage caused by overloads or short circuits. They automatically interrupt the flow of electricity when a fault is detected, preventing potential fires and equipment damage. Circuit breakers are used in residential, commercial, and industrial settings to ensure electrical safety and reliability.

FAQ

What should I consider when buying a used circuit breaker?

Check the breaker’s amperage rating, compatibility with your electrical system, and overall condition. Ensure it has been tested and certified for safety.

How do I ensure the circuit breaker is shipped safely to my location?

Use a transport service that specializes in delicate electrical components. Ensure the breaker is well-packaged and cushioned to prevent damage during transit.

What is the maintenance schedule for a circuit breaker?

Regular maintenance includes visual inspections for signs of wear or damage, testing for proper operation, and cleaning any dust or debris from the breaker. Consult the manufacturer’s manual for detailed maintenance intervals.