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Molded Case Circuit Breakers

1,498 products
Filter: Siemens · clear
Siemens MG1D Panel Mounting Kit, For Use With P5, SWBD VL M Frame Circuit Breaker, 600 V AC, 800 A, 3-Phase, 200 kA Short Circuit Current, Single Mount, Copper Siemens

Siemens MG1D Panel Mounting Kit, For Use With P5,…

SKU: MG1D
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 Siemens MM0202ML1125H 1-Phase Main Circuit Breaker Load Center With Field Installed Breaked, 120/240 V AC, 125 A, 65 kA Interrupt Siemens

Siemens MM0202ML1125H 1-Phase Main Circuit Breaker Load Center With…

SKU: MM0202ML1125H
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 Siemens MSE6 SentronTM MSE6 4-Piece Mounting Screw Kit, For Use With ED Molded Case Circuit Breaker Siemens

Siemens MSE6 SentronTM MSE6 4-Piece Mounting Screw Kit, For…

SKU: MSE6
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 Siemens MXD63S800A SentronTM MXD63S800A Type MXD6 Low Voltage Molded Case Circuit Breaker, 600 V AC, 800 A, 25 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens MXD63S800A SentronTM MXD63S800A Type MXD6 Low Voltage Molded…

SKU: MXD63S800A
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 Siemens N250 SentronTM N250 Type FD Circuit Breaker Enclosure, 7.1 in L x 4.9 in W x 5-1/2 in D, Steel Siemens

Siemens N250 SentronTM N250 Type FD Circuit Breaker Enclosure,…

SKU: N250
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 Siemens ND63B120 SentronTM ND63B120 Type ND6 Low Voltage Molded Case Circuit Breaker, 600 V AC/500 V DC, 1200 A, 25 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens ND63B120 SentronTM ND63B120 Type ND6 Low Voltage Molded…

SKU: ND63B120
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 Siemens ND63B800L Type ND6 Low Voltage Molded Case Circuit Breaker With Lugs, 600 V AC/500 V DC, 800 A, 25 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens ND63B800L Type ND6 Low Voltage Molded Case Circuit…

SKU: ND63B800L
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 Siemens NG1D Panel Mounting Kit, For Use With P5 NG Circuit Breaker, 600 V AC, 1200 A, 3-Phase, 200 kA Short Circuit Current, Single Mount, Copper Siemens

Siemens NG1D Panel Mounting Kit, For Use With P5…

SKU: NG1D
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 Siemens NGB1B015B Type NGB Molded Case Circuit Breaker, 347 V AC, 15 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip Siemens

Siemens NGB1B015B Type NGB Molded Case Circuit Breaker, 347…

SKU: NGB1B015B
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 Siemens NGB1B020 Type NGB Low Voltage Molded Case Circuit Breaker, 347 V AC, 20 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip Siemens

Siemens NGB1B020 Type NGB Low Voltage Molded Case Circuit…

SKU: NGB1B020
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 Siemens NGB1B020B Type NGB Molded Case Circuit Breaker, 347 V AC, 20 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip Siemens

Siemens NGB1B020B Type NGB Molded Case Circuit Breaker, 347…

SKU: NGB1B020B
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 Siemens NGB2B020B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 20 A, 14 kA Interrupt, 2 Poles, Thermal Magnetic Trip Siemens

Siemens NGB2B020B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB2B020B
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 Siemens NGB2B025B Low Voltage Molded Case Circuit Breaker, 600Y/347/480Y/277 V AC, 25 A, 14 to 25 kA Interrupt, 2 Poles, Thermal Magnetic Trip Siemens

Siemens NGB2B025B Low Voltage Molded Case Circuit Breaker, 600Y/347/480Y/277…

SKU: NGB2B025B
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 Siemens NGB2B030B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 30 A, 14 kA Interrupt, 2 Poles, Thermal Magnetic Trip Siemens

Siemens NGB2B030B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB2B030B
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 Siemens NGB3B020B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 20 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B020B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B020B
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 Siemens NGB3B025B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 25 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B025B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B025B
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 Siemens NGB3B035B Low Voltage Molded Case Circuit Breaker, 600Y/347/480Y/277 V AC, 35 A, 14 to 25 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B035B Low Voltage Molded Case Circuit Breaker, 600Y/347/480Y/277…

SKU: NGB3B035B
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 Siemens NGB3B040 Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 40 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B040 Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B040
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 Siemens NGB3B040B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 40 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B040B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B040B
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 Siemens NGB3B045B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 45 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B045B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B045B
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 Siemens NGB3B050 Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 50 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B050 Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B050
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 Siemens NGB3B050B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 50 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B050B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B050B
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 Siemens NGB3B060B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 60 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B060B Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B060B
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 Siemens NGB3B100 Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 100 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip Siemens

Siemens NGB3B100 Type NGB Low Voltage Molded Case Circuit…

SKU: NGB3B100
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