Duplex Circuit Breakers

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SIEM Q2020NC

Part #SIEM Q2020NC 20/20AMP 1POLE 120VAC (2)20AMP CIRCUITS PLUG-IN CIRCUIT BREAKER FITS NEW PANELS AND OLD Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature Non-Current Limiting, 120 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, QT F

MFG #Q2020NC

165 in Stock. More available 04/23/2026 and 05/11/2026

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$69.70/EA

Regular Price: $103.00/EA, you save $33.30 (32%)

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U/M

EA BX /12CA /48CS /48

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SIEM Q2020

Part #SIEM Q2020 20/20AMP 1POLE 120VAC (2)20AMP CIRCUITS PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature, 120 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, QT Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Togg

MFG #Q2020

192 in Stock. More available 05/11/2026

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$36.50/EA

QTY

U/M

EA BX /12CA /48CS /48

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SIEM Q1515

Part #SIEM Q1515 15/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, QT Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph

MFG #Q1515

118 in Stock. More available 05/11/2026

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$36.50/EA

QTY

U/M

EA BX /12CA /48CS /48

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SIEM Q1515NC

Part #SIEM Q1515NC 15/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER FOR REPLACEMENT USE ONLY IN PANELS MANUFACTURED BEFORE 1968 Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature Non-Current Limiting, 120 VAC, 15

MFG #Q1515NC

85 in Stock. More available 04/27/2026 and 05/11/2026

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$71.22/EA

Regular Price: $103.00/EA, you save $31.78 (31%)

QTY

U/M

EA BX /12

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SIEM Q1520NC

Part #SIEM Q1520NC 15/20AMP 1POLE 120VAC (1)15AMP (1) 20AMP CIRCUIT PLUG-IN CIRCUIT BREAKER FOR REPLACEMENT USE ONLY IN PANELS MANUFACTURED BEFORE 1968 Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature Non-Current Limiting, 120 VAC,

MFG #Q1520NC

35 in Stock. More available 05/11/2026

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$72.80/EA

Regular Price: $103.00/EA, you save $30.20 (29%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

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SIEM Q2020NC

Part #SIEM Q2020NC 20/20AMP 1POLE 120VAC (2)20AMP CIRCUITS PLUG-IN CIRCUIT BREAKER FITS NEW PANELS AND OLD Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature Non-Current Limiting, 120 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, QT F

MFG #Q2020NC

165 in Stock. More available 04/23/2026 and 05/11/2026

VIEW BRANCH INVENTORY

$69.70/EA

Regular Price: $103.00/EA, you save $33.30 (32%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q2020

Part #SIEM Q2020 20/20AMP 1POLE 120VAC (2)20AMP CIRCUITS PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature, 120 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, QT Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Togg

MFG #Q2020

192 in Stock. More available 05/11/2026

VIEW BRANCH INVENTORY

$36.50/EA

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q1515

Part #SIEM Q1515 15/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, QT Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph

MFG #Q1515

118 in Stock. More available 05/11/2026

VIEW BRANCH INVENTORY

$36.50/EA

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q1515NC

Part #SIEM Q1515NC 15/15AMP 1POLE 120VAC (2)15AMP 1POLE CIRCUITS PLUG-IN CIRCUIT BREAKER FOR REPLACEMENT USE ONLY IN PANELS MANUFACTURED BEFORE 1968 Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature Non-Current Limiting, 120 VAC, 15

MFG #Q1515NC

85 in Stock. More available 04/27/2026 and 05/11/2026

VIEW BRANCH INVENTORY

$71.22/EA

Regular Price: $103.00/EA, you save $31.78 (31%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

SIEM Q1520NC

Part #SIEM Q1520NC 15/20AMP 1POLE 120VAC (1)15AMP (1) 20AMP CIRCUIT PLUG-IN CIRCUIT BREAKER FOR REPLACEMENT USE ONLY IN PANELS MANUFACTURED BEFORE 1968 Siemens Molded Case Circuit Breaker, Type QT Duplex Low Voltage Miniature Non-Current Limiting, 120 VAC,

MFG #Q1520NC

35 in Stock. More available 05/11/2026

VIEW BRANCH INVENTORY

$72.80/EA

Regular Price: $103.00/EA, you save $30.20 (29%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

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12243648