"Q" Plug-in Branch Breakers
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Part #SIEM Q120 20AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 20 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Mounting, 40 deg C, 3.6 in W x 12.8 in D x 3.5 in H Dimensions
MFG #Q120
2755 in Stock. More available 09/28/2026
$13.49/EA
Part #SIEM Q115 15AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER1 Siemens Molded Case Circuit Breaker, 120 VAC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Connection, 14 to 12 AWG, 12 to 10 AWG Wire, NEMA
MFG #Q115
2247 in Stock. More available 09/28/2026
$13.49/EA
Part #SIEM Q230 30AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 30 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q230
750 in Stock. More available 09/28/2026
$29.56/EA
Part #SIEM Q220 20AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 20 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 2 in W x 3 in D x 3 in H Dimensions
MFG #Q220
672 in Stock. More available 09/28/2026
$29.56/EA
Part #SIEM Q250 50AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 50 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q250
313 in Stock. More available 09/28/2026
$30.16/EA
Part #SIEM Q240 40AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120/240 VAC, 40 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q240
328 in Stock. More available 09/28/2026
$30.16/EA
Part #SIEM Q260 60AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens, Q260, Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 60 A, 60 Hz Frequency, 10 kA Interrupt, 2 in Frame, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/P
MFG #Q260
229 in Stock. More available 09/28/2026
$30.16/EA
Part #SIEM Q2100 100AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 100 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connectio
MFG #Q2100
164 in Stock. More available 09/28/2026
$109.93/EA
Part #SIEM Q215 15AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 15 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q215
186 in Stock. More available 09/10/2026 and 09/28/2026
$30.79/EA
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
140 in Stock. More available 09/28/2026
$36.50/EA
Part #SIEM Q225 25AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP, 120/240 VAC, 25 A, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q225
129 in Stock. More available 09/28/2026
$31.44/EA
Part #SIEM QF120A 20AMP 1POLE 120VAC GFCI PLUG-IN CIRCUIT BREAKER WITH PIGTAIL Siemens Ground Fault Circuit Breaker With Self Test, Type GFCI Class A, 120 VAC, 20 A, 10 kA Interrupt, QPF2 Frame, Thermal Magnetic Trip, 5 mA Trip, 1 Pole, Plug-In/Line and Lo
MFG #QF120A
61 available today. Please contact inside sales for delivery information.
$112.38/EA
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
185 in Stock. More available 09/10/2026 and 09/28/2026
$69.70/EA
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
132 in Stock. More available 09/28/2026
$36.50/EA
Part #SIEM Q130 30AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP, 120 VAC, 30 A, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Mounting, 40 deg C, 1 in W x 3 in D x 3 in H Dimensions
MFG #Q130
145 in Stock. More available 10/01/2026
$14.66/EA
Part #SIEM QA120AFC 20AMP 1POLE 120VAC AFCI PLUG-IN CIRCUIT BREAKER Siemens SpeedFaxâ„¢, QA120AFCCSA, Arc-Fault Circuit Breaker, Low Voltage, 120 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QAF2 Frame, LI/Thermal Magnetic Trip, 1 Pole, 1
MFG #QA120AFC
67 in Stock. More available 09/10/2026 and 10/02/2026
$105.79/EA
Part #SIEM Q120DF 20AMP 1POLE 120VAC AFCI/GFCI PLUG-IN CIRCUIT BREAKER 10kAIC Siemens Combination AFCI/GFCI Circuit Breaker, Type QFGA2 Dual Function, 120 VAC, 20 A, 10 kA Interrupt, LI/Thermal Magnetic Trip, 5 mA Trip, 1 Pole, 1, 14 to 8 AWG, 12 to 8 AWG
MFG #Q120DF
82 in Stock. More available 10/08/2026
$134.25/EA
Part #SIEM QA115AFC 15AMP 1POLE 120VAC AFCI PLUG-IN CIRCUIT BREAKER Siemens Arc Fault Circuit Breaker, 120 VAC, 15 A, 10 kA Interrupt, QAF2 Frame, LI/Thermal Magnetic Trip, 1 Pole, 1, Plug-In, 14 to 8 AWG, 12 to 8 AWG Wire, 6 in L x 1 in W x 3 in H
MFG #QA115AFC
108 in Stock. More available 09/10/2026 and 10/01/2026
$103.54/EA
Part #SIEM Q2125 125AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 125 A, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Plug-In Connection, 8 to 2/0 AWG Wire, 40 d
MFG #Q2125
38 in Stock. More available 09/10/2026 and 09/28/2026
$241.86/EA
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
132 in Stock. More available 09/28/2026
$71.22/EA
Part #SIEM Q115DF 15AMP 1POLE 120VAC AFCI/GFCI PLUG-IN CIRCUIT BREAKER 10kAIC Siemens Combination AFCI/GFCI Circuit Breaker, Type QFGA2, 120 VAC, 15 A, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Connection, 1 in L x 3 in W x 4-1/2 in H D
MFG #Q115DF
44 in Stock. More available 09/10/2026 and 09/28/2026
$137.23/EA
Part #SIEM Q330 30AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 14
MFG #Q330
22 in Stock. More available 09/28/2026
$175.47/EA
Part #SIEM QSA2020SPD 20AMP (2)20AMP 1POLE 120/240VAC PLUG-IN CIRCUIT BREAKERS W/SURGE PROTECTIVE DEVICE (ALL BRANCH CIRCUITS) Siemens Surge Protection Circuit Breaker, Molded Case, 120/240 VAC, 15 A, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, Plug-In
MFG #QSA2020SPD
30 in Stock. More available 09/28/2026
$357.11/EA
Part #SIEM QF250A 50AMP 2POLE 120/240VAC GFCI PLUG-IN CIRCUIT BREAKER Siemens Ground Fault Circuit Breaker, Type QPF, 120/240 VAC, 50 A, 10 kA Interrupt, QPF Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Connection, 12.7 in L x 6.8 in W x 7.9 in H Dimensio
MFG #QF250A
28 in Stock. More available 09/10/2026 and 10/02/2026
$250.45/EA
Part #SIEM Q120 20AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 20 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Mounting, 40 deg C, 3.6 in W x 12.8 in D x 3.5 in H Dimensions
MFG #Q120
2755 in Stock. More available 09/28/2026
$13.49/EA
Part #SIEM Q115 15AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER1 Siemens Molded Case Circuit Breaker, 120 VAC, 15 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Connection, 14 to 12 AWG, 12 to 10 AWG Wire, NEMA
MFG #Q115
2247 in Stock. More available 09/28/2026
$13.49/EA
Part #SIEM Q230 30AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 30 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q230
750 in Stock. More available 09/28/2026
$29.56/EA
Part #SIEM Q220 20AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 20 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 2 in W x 3 in D x 3 in H Dimensions
MFG #Q220
672 in Stock. More available 09/28/2026
$29.56/EA
Part #SIEM Q250 50AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 50 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q250
313 in Stock. More available 09/28/2026
$30.16/EA
Part #SIEM Q240 40AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120/240 VAC, 40 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q240
328 in Stock. More available 09/28/2026
$30.16/EA
Part #SIEM Q260 60AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens, Q260, Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 60 A, 60 Hz Frequency, 10 kA Interrupt, 2 in Frame, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/P
MFG #Q260
229 in Stock. More available 09/28/2026
$30.16/EA
Part #SIEM Q2100 100AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 100 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connectio
MFG #Q2100
164 in Stock. More available 09/28/2026
$109.93/EA
Part #SIEM Q215 15AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type Q, 120 VAC, 15 A, 10 kA Interrupt, QP Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q215
186 in Stock. More available 09/10/2026 and 09/28/2026
$30.79/EA
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
140 in Stock. More available 09/28/2026
$36.50/EA
Part #SIEM Q225 25AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP, 120/240 VAC, 25 A, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, Plug-In Mounting, 3 in W x 3 in D x 2 in H Dimensions
MFG #Q225
129 in Stock. More available 09/28/2026
$31.44/EA
Part #SIEM QF120A 20AMP 1POLE 120VAC GFCI PLUG-IN CIRCUIT BREAKER WITH PIGTAIL Siemens Ground Fault Circuit Breaker With Self Test, Type GFCI Class A, 120 VAC, 20 A, 10 kA Interrupt, QPF2 Frame, Thermal Magnetic Trip, 5 mA Trip, 1 Pole, Plug-In/Line and Lo
MFG #QF120A
61 available today. Please contact inside sales for delivery information.
$112.38/EA
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
185 in Stock. More available 09/10/2026 and 09/28/2026
$69.70/EA
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
132 in Stock. More available 09/28/2026
$36.50/EA
Part #SIEM Q130 30AMP 1POLE 120VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP, 120 VAC, 30 A, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Mounting, 40 deg C, 1 in W x 3 in D x 3 in H Dimensions
MFG #Q130
145 in Stock. More available 10/01/2026
$14.66/EA
Part #SIEM QA120AFC 20AMP 1POLE 120VAC AFCI PLUG-IN CIRCUIT BREAKER Siemens SpeedFaxâ„¢, QA120AFCCSA, Arc-Fault Circuit Breaker, Low Voltage, 120 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QAF2 Frame, LI/Thermal Magnetic Trip, 1 Pole, 1
MFG #QA120AFC
67 in Stock. More available 09/10/2026 and 10/02/2026
$105.79/EA
Part #SIEM Q120DF 20AMP 1POLE 120VAC AFCI/GFCI PLUG-IN CIRCUIT BREAKER 10kAIC Siemens Combination AFCI/GFCI Circuit Breaker, Type QFGA2 Dual Function, 120 VAC, 20 A, 10 kA Interrupt, LI/Thermal Magnetic Trip, 5 mA Trip, 1 Pole, 1, 14 to 8 AWG, 12 to 8 AWG
MFG #Q120DF
82 in Stock. More available 10/08/2026
$134.25/EA
Part #SIEM QA115AFC 15AMP 1POLE 120VAC AFCI PLUG-IN CIRCUIT BREAKER Siemens Arc Fault Circuit Breaker, 120 VAC, 15 A, 10 kA Interrupt, QAF2 Frame, LI/Thermal Magnetic Trip, 1 Pole, 1, Plug-In, 14 to 8 AWG, 12 to 8 AWG Wire, 6 in L x 1 in W x 3 in H
MFG #QA115AFC
108 in Stock. More available 09/10/2026 and 10/01/2026
$103.54/EA
Part #SIEM Q2125 125AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 125 A, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Plug-In Connection, 8 to 2/0 AWG Wire, 40 d
MFG #Q2125
38 in Stock. More available 09/10/2026 and 09/28/2026
$241.86/EA
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
132 in Stock. More available 09/28/2026
$71.22/EA
Part #SIEM Q115DF 15AMP 1POLE 120VAC AFCI/GFCI PLUG-IN CIRCUIT BREAKER 10kAIC Siemens Combination AFCI/GFCI Circuit Breaker, Type QFGA2, 120 VAC, 15 A, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Plug-In Connection, 1 in L x 3 in W x 4-1/2 in H D
MFG #Q115DF
44 in Stock. More available 09/10/2026 and 09/28/2026
$137.23/EA
Part #SIEM Q330 30AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 30 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 14
MFG #Q330
22 in Stock. More available 09/28/2026
$175.47/EA
Part #SIEM QSA2020SPD 20AMP (2)20AMP 1POLE 120/240VAC PLUG-IN CIRCUIT BREAKERS W/SURGE PROTECTIVE DEVICE (ALL BRANCH CIRCUITS) Siemens Surge Protection Circuit Breaker, Molded Case, 120/240 VAC, 15 A, 10 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, Plug-In
MFG #QSA2020SPD
30 in Stock. More available 09/28/2026
$357.11/EA
Part #SIEM QF250A 50AMP 2POLE 120/240VAC GFCI PLUG-IN CIRCUIT BREAKER Siemens Ground Fault Circuit Breaker, Type QPF, 120/240 VAC, 50 A, 10 kA Interrupt, QPF Frame, Thermal/Magnetic Trip, 2 Pole, Plug-In Connection, 12.7 in L x 6.8 in W x 7.9 in H Dimensio
MFG #QF250A
28 in Stock. More available 09/10/2026 and 10/02/2026
$250.45/EA