"Q" Plug-in Branch Breakers

Filter

Skip to Results

Search Within Category

Stocked Items

In Stock

Amperage Rating

Length

Sub Brand

Enclosure

Special Features

Country of Origin

Actuator

Environmental Conditions

Operating Temperature

Height

Load Rating

Results Per Page

12243648

49 items

Sort by

Best MatchTop ProductsProduct: A to ZProduct: Z to APrice: Low to HighPrice: High to Low

Hide/Show Images

content loaded

Compare

SIEM Q120

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

3175 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$9.62/EA

Regular Price: $15.90/EA, you save $6.28 (39%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q250

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

543 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q230

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

2372 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q260

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

422 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q2100

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

226 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$75.27/EA

Regular Price: $97.50/EA, you save $22.23 (23%)

QTY

U/M

EA BX /6CA /24CS /24

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

210 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$24.98/EA

Regular Price: $34.30/EA, you save $9.32 (27%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM QA115AFC

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

74 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$66.48/EA

Regular Price: $82.00/EA, you save $15.52 (19%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

SIEM Q220

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

1146 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM QF250A

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

26 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$157.20/EA

Regular Price: $469.00/EA, you save $311.80 (66%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

SIEM Q120DF

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

30 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$87.09/EA

Regular Price: $104.50/EA, you save $17.41 (17%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

SIEM Q240

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

843 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q235

Part #SIEM Q235 35AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP, 120/240 VAC, 35 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connection, 14 to 6 AWG Wire, NEMA

MFG #Q235

17 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.65/EA

Regular Price: $32.70/EA, you save $13.05 (40%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q225

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

186 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.45/EA

Regular Price: $32.70/EA, you save $13.25 (41%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q23030CT2NC

Part #SIEM Q23030CT2NC 30AMP 2POLE 120/240VAC (2)30AMP 2POLE COMMON TRIP PLUG-IN CIRCUIT BREAKER FOR REPLACEMENT USE ONLY IN PANELS MANUFACTURED BEFORE 1968 Siemens Molded Case Circuit Breaker, Low Voltage Miniature Quadplex Residential, 120/240 VAC, 30 A,

MFG #Q23030CT2NC

8 in Stock. More available 04/27/2026

VIEW BRANCH INVENTORY

$84.22/EA

Regular Price: $180.00/EA, you save $95.78 (53%)

QTY

ADD TO CARTADD TO LIST

Compare

SIEM Q3100

Part #SIEM Q3100 100AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 100 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection,

MFG #Q3100

20 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$164.09/EA

Regular Price: $309.00/EA, you save $144.91 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM Q320

Part #SIEM Q320 20AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 14

MFG #Q320

31 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$109.93/EA

Regular Price: $207.00/EA, you save $97.07 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM QA120AFC

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

64 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$66.82/EA

Regular Price: $82.00/EA, you save $15.18 (19%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

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

172 in Stock. More available 04/06/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$47.70/EA

Regular Price: $103.00/EA, you save $55.30 (54%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q350

Part #SIEM Q350 50AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, 240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 8 to 6 AWG, 8 to 4 AWG Wire, NEMA 1/3R

MFG #Q350

16 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$109.93/EA

Regular Price: $207.00/EA, you save $97.07 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM Q290

Part #SIEM Q290 90AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 90 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connection,

MFG #Q290

25 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$77.60/EA

Regular Price: $97.50/EA, you save $19.90 (20%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q245

Part #SIEM Q245 BREAKER 45A 2P 120/240V 10K QP Siemens Molded Case Circuit Breaker, Type QP/MP, 120/240 VAC, 45 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Plug-In Connection, 8 to 6 AWG, 8 to 4 AWG Wire, NEMA 1/3R Enclosur

MFG #Q245

14 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.65/EA

Regular Price: $32.70/EA, you save $13.05 (40%)

QTY

ADD TO CARTADD TO LIST

Compare

SIEM Q23030CT2

Part #SIEM Q23030CT2 30AMP 2POLE 120/240VAC (2)30AMP 2POLE COMMON TRIP PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QT Low Voltage Miniature Quadplex, Series: Quadplex, 120/240 VAC, 30 A, 10 kA Interrupt, QT Frame, Thermal/Magnetic Tri

MFG #Q23030CT2

11 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$71.22/EA

Regular Price: $100.00/EA, you save $28.78 (29%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q270

Part #SIEM Q270 70AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 70 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connection,

MFG #Q270

23 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$53.72/EA

Regular Price: $67.50/EA, you save $13.78 (20%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q340

Part #SIEM Q340 40AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 8 t

MFG #Q340

10 in Stock. More available 04/19/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$109.93/EA

Regular Price: $207.00/EA, you save $97.07 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM Q120

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

3175 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$9.62/EA

Regular Price: $15.90/EA, you save $6.28 (39%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q250

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

543 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q230

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

2372 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q260

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

422 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q2100

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

226 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$75.27/EA

Regular Price: $97.50/EA, you save $22.23 (23%)

QTY

U/M

EA BX /6CA /24CS /24

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

210 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$24.98/EA

Regular Price: $34.30/EA, you save $9.32 (27%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM QA115AFC

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

74 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$66.48/EA

Regular Price: $82.00/EA, you save $15.52 (19%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

SIEM Q220

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

1146 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM QF250A

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

26 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$157.20/EA

Regular Price: $469.00/EA, you save $311.80 (66%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

SIEM Q120DF

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

30 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$87.09/EA

Regular Price: $104.50/EA, you save $17.41 (17%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

SIEM Q240

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

843 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.06/EA

Regular Price: $32.70/EA, you save $13.64 (42%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q235

Part #SIEM Q235 35AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP, 120/240 VAC, 35 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connection, 14 to 6 AWG Wire, NEMA

MFG #Q235

17 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.65/EA

Regular Price: $32.70/EA, you save $13.05 (40%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q225

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

186 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.45/EA

Regular Price: $32.70/EA, you save $13.25 (41%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q23030CT2NC

Part #SIEM Q23030CT2NC 30AMP 2POLE 120/240VAC (2)30AMP 2POLE COMMON TRIP PLUG-IN CIRCUIT BREAKER FOR REPLACEMENT USE ONLY IN PANELS MANUFACTURED BEFORE 1968 Siemens Molded Case Circuit Breaker, Low Voltage Miniature Quadplex Residential, 120/240 VAC, 30 A,

MFG #Q23030CT2NC

8 in Stock. More available 04/27/2026

VIEW BRANCH INVENTORY

$84.22/EA

Regular Price: $180.00/EA, you save $95.78 (53%)

QTY

ADD TO CARTADD TO LIST

Compare

SIEM Q3100

Part #SIEM Q3100 100AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 100 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection,

MFG #Q3100

20 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$164.09/EA

Regular Price: $309.00/EA, you save $144.91 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM Q320

Part #SIEM Q320 20AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 20 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 14

MFG #Q320

31 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$109.93/EA

Regular Price: $207.00/EA, you save $97.07 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM QA120AFC

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

64 in Stock. More available 04/02/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$66.82/EA

Regular Price: $82.00/EA, you save $15.18 (19%)

QTY

U/M

EA BX /10

ADD TO CARTADD TO LIST

Compare

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

172 in Stock. More available 04/06/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$47.70/EA

Regular Price: $103.00/EA, you save $55.30 (54%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

Compare

SIEM Q350

Part #SIEM Q350 50AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, 240 VAC, 50 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 8 to 6 AWG, 8 to 4 AWG Wire, NEMA 1/3R

MFG #Q350

16 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$109.93/EA

Regular Price: $207.00/EA, you save $97.07 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM Q290

Part #SIEM Q290 90AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 90 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connection,

MFG #Q290

25 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$77.60/EA

Regular Price: $97.50/EA, you save $19.90 (20%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q245

Part #SIEM Q245 BREAKER 45A 2P 120/240V 10K QP Siemens Molded Case Circuit Breaker, Type QP/MP, 120/240 VAC, 45 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Plug-In Connection, 8 to 6 AWG, 8 to 4 AWG Wire, NEMA 1/3R Enclosur

MFG #Q245

14 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$19.65/EA

Regular Price: $32.70/EA, you save $13.05 (40%)

QTY

ADD TO CARTADD TO LIST

Compare

SIEM Q23030CT2

Part #SIEM Q23030CT2 30AMP 2POLE 120/240VAC (2)30AMP 2POLE COMMON TRIP PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QT Low Voltage Miniature Quadplex, Series: Quadplex, 120/240 VAC, 30 A, 10 kA Interrupt, QT Frame, Thermal/Magnetic Tri

MFG #Q23030CT2

11 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$71.22/EA

Regular Price: $100.00/EA, you save $28.78 (29%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

Compare

SIEM Q270

Part #SIEM Q270 70AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QP/MP Low Voltage Miniature, 120/240 VAC, 70 A, 60 Hz Frequency, 10 kA Interrupt, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Load Lug/Plug-In Connection,

MFG #Q270

23 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$53.72/EA

Regular Price: $67.50/EA, you save $13.78 (20%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM Q340

Part #SIEM Q340 40AMP 3POLE 240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Low Voltage Miniature Residential, 240 VAC, 40 A, 50/60 Hz Frequency, 10 kA Interrupt, QP/MP Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Plug-In Connection, 8 t

MFG #Q340

10 in Stock. More available 04/19/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$109.93/EA

Regular Price: $207.00/EA, you save $97.07 (47%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Results Per Page

12243648