"B" Bolt-on Breakers (120/240V)

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12243648

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SIEM B250

Part #SIEM B250 50AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 50 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 A

MFG #B250

65 in Stock. More available 06/08/2026

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$62.14/EA

Regular Price: $242.00/EA, you save $179.87 (74%)

QTY

U/M

EA BX /6

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SIEM B350

Part #SIEM B350 50AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 50 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 AWG Wire,

MFG #B350

10 in Stock. More available 05/21/2026 and 06/13/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

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SIEM B3100

Part #SIEM B3100 100AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 100 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 4 to 1/0 AWG, 2 to 1/0 AW

MFG #B3100

14 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$282.66/EA

Regular Price: $1077.00/EA, you save $794.34 (74%)

QTY

U/M

EA BX /4CA /16CS /16

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SIEM B360

Part #SIEM B360 60AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 60 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 4 AWG, 8 to 2 AWG Wire,

MFG #B360

27 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

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SIEM BF120A

Part #SIEM BF120A 20AMP 1POLE 120VAC GFCI BOLT ON CIRCUIT BREAKER Siemens Ground Fault Circuit Breaker, Type GFCI Class A, 120 VAC, 20 A, 10 kA Interrupt, BLF2 Frame, Thermal Magnetic Trip, 5 mA Trip, 1 Pole, Bolt-On Connection, Panelboard Mounting

MFG #BF120A

14 in Stock. More available 06/08/2026

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$108.78/EA

Regular Price: $828.00/EA, you save $719.22 (87%)

QTY

U/M

EA BX /24

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SIEM B315

Part #SIEM B315 15AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG Wire, Bo

MFG #B315

3 in Stock. More available 05/31/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4CA /16CS /16

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SIEM B115

Part #SIEM B115 15AMP 1POLE 120VAC BOLT ON CIRCUIT BREAKER 10K AIC Siemens Molded Case Circuit Breaker, Type BL, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG

MFG #B115

69 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$28.08/EA

Regular Price: $107.00/EA, you save $78.92 (74%)

QTY

U/M

EA BX /12CA /48CS /48

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SIEM B215

Part #SIEM B215 15AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to

MFG #B215

27 in Stock. More available 06/08/2026

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$63.52/EA

Regular Price: $242.00/EA, you save $178.48 (74%)

QTY

U/M

EA BX /6

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SIEM B320

Part #SIEM B320 20AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10K AIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG

MFG #B320

26 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$201.80/EA

Regular Price: $786.00/EA, you save $584.20 (74%)

QTY

U/M

EA BX /4

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SIEM B260

Part #SIEM B260 60AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 60 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 8 to 4 AWG, 8 to 2 A

MFG #B260

31 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$63.52/EA

Regular Price: $242.00/EA, you save $178.48 (74%)

QTY

U/M

EA BX /6

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SIEM B330

Part #SIEM B330 30AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10K AIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 30 A, 60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 12 to 6 AWG Aluminum, 14 to 6 AWG Copper

MFG #B330

22 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

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SIEM B230

Part #SIEM B230 30AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 30 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 14 to 6 AWG, 12 to 6

MFG #B230

128 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$60.81/EA

Regular Price: $242.00/EA, you save $181.19 (75%)

QTY

U/M

EA BX /6CA /24CS /24

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SIEM B120

Part #SIEM B120 20AMP 1POLE 120VAC BOLT ON CIRCUIT BREAKER TYPE BL 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to

MFG #B120

205 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$26.33/EA

Regular Price: $107.00/EA, you save $80.67 (75%)

QTY

U/M

EA BX /12CA /48CS /48

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SIEM B2100

Part #SIEM B2100 100AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 100 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 4 to 1/0 AWG, 2 t

MFG #B2100

36 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$165.08/EA

Regular Price: $629.00/EA, you save $463.92 (74%)

QTY

U/M

EA BX /6

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SIEM B120H

Part #SIEM B120H 20AMP 1POLE 120V 22KAIC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BLH, 120 VAC, 20 A, 60 Hz Frequency, 22 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG Wire, Bolt-On/

MFG #B120H

64 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$56.14/EA

Regular Price: $209.00/EA, you save $152.86 (73%)

QTY

U/M

EA BX /12

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SIEM B130

Part #SIEM B130 30AMP 1POLE 120VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BL, 120 VAC, 30 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 6 AWG, 12 to 6 AWG Wire, Bolt

MFG #B130

43 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$28.08/EA

Regular Price: $107.00/EA, you save $78.92 (74%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

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SIEM B340

Part #SIEM B340 40AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10AIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 40 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 AWG Wire,

MFG #B340

5 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

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SIEM B370

Part #SIEM B370 70AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 70 A, 60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 4 AWG, 8 to 2 AWG Wire, Bolt-On/Pane

MFG #B370

4 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$251.17/EA

Regular Price: $957.00/EA, you save $705.84 (74%)

QTY

U/M

EA BX /4CA /16CS /16

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SIEM B220

Part #SIEM B220 20AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to

MFG #B220

95 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$60.81/EA

Regular Price: $242.00/EA, you save $181.19 (75%)

QTY

U/M

EA BX /6

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SIEM B240

Part #SIEM B240 40AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 40 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 A

MFG #B240

28 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$63.52/EA

Regular Price: $242.00/EA, you save $178.48 (74%)

QTY

U/M

EA BX /6

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SIEM B250

Part #SIEM B250 50AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 50 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 A

MFG #B250

65 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$62.14/EA

Regular Price: $242.00/EA, you save $179.87 (74%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

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SIEM B350

Part #SIEM B350 50AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 50 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 AWG Wire,

MFG #B350

10 in Stock. More available 05/21/2026 and 06/13/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

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SIEM B3100

Part #SIEM B3100 100AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 100 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 4 to 1/0 AWG, 2 to 1/0 AW

MFG #B3100

14 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$282.66/EA

Regular Price: $1077.00/EA, you save $794.34 (74%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

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SIEM B360

Part #SIEM B360 60AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 60 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 4 AWG, 8 to 2 AWG Wire,

MFG #B360

27 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

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SIEM BF120A

Part #SIEM BF120A 20AMP 1POLE 120VAC GFCI BOLT ON CIRCUIT BREAKER Siemens Ground Fault Circuit Breaker, Type GFCI Class A, 120 VAC, 20 A, 10 kA Interrupt, BLF2 Frame, Thermal Magnetic Trip, 5 mA Trip, 1 Pole, Bolt-On Connection, Panelboard Mounting

MFG #BF120A

14 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$108.78/EA

Regular Price: $828.00/EA, you save $719.22 (87%)

QTY

U/M

EA BX /24

ADD TO CARTADD TO LIST

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SIEM B315

Part #SIEM B315 15AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG Wire, Bo

MFG #B315

3 in Stock. More available 05/31/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

Compare

SIEM B115

Part #SIEM B115 15AMP 1POLE 120VAC BOLT ON CIRCUIT BREAKER 10K AIC Siemens Molded Case Circuit Breaker, Type BL, 120 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG

MFG #B115

69 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$28.08/EA

Regular Price: $107.00/EA, you save $78.92 (74%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

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SIEM B215

Part #SIEM B215 15AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 15 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to

MFG #B215

27 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$63.52/EA

Regular Price: $242.00/EA, you save $178.48 (74%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

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SIEM B320

Part #SIEM B320 20AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10K AIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG

MFG #B320

26 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$201.80/EA

Regular Price: $786.00/EA, you save $584.20 (74%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

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SIEM B260

Part #SIEM B260 60AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 60 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 8 to 4 AWG, 8 to 2 A

MFG #B260

31 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$63.52/EA

Regular Price: $242.00/EA, you save $178.48 (74%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

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SIEM B330

Part #SIEM B330 30AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10K AIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 30 A, 60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 12 to 6 AWG Aluminum, 14 to 6 AWG Copper

MFG #B330

22 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

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SIEM B230

Part #SIEM B230 30AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 30 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 14 to 6 AWG, 12 to 6

MFG #B230

128 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$60.81/EA

Regular Price: $242.00/EA, you save $181.19 (75%)

QTY

U/M

EA BX /6CA /24CS /24

ADD TO CARTADD TO LIST

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SIEM B120

Part #SIEM B120 20AMP 1POLE 120VAC BOLT ON CIRCUIT BREAKER TYPE BL 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to

MFG #B120

205 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$26.33/EA

Regular Price: $107.00/EA, you save $80.67 (75%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

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SIEM B2100

Part #SIEM B2100 100AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 100 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 4 to 1/0 AWG, 2 t

MFG #B2100

36 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$165.08/EA

Regular Price: $629.00/EA, you save $463.92 (74%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

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SIEM B120H

Part #SIEM B120H 20AMP 1POLE 120V 22KAIC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BLH, 120 VAC, 20 A, 60 Hz Frequency, 22 kA Interrupt, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to 10 AWG Wire, Bolt-On/

MFG #B120H

64 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$56.14/EA

Regular Price: $209.00/EA, you save $152.86 (73%)

QTY

U/M

EA BX /12

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SIEM B130

Part #SIEM B130 30AMP 1POLE 120VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BL, 120 VAC, 30 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, 14 to 6 AWG, 12 to 6 AWG Wire, Bolt

MFG #B130

43 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$28.08/EA

Regular Price: $107.00/EA, you save $78.92 (74%)

QTY

U/M

EA BX /12CA /48CS /48

ADD TO CARTADD TO LIST

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SIEM B340

Part #SIEM B340 40AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10AIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 40 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 AWG Wire,

MFG #B340

5 in Stock. More available 06/08/2026

VIEW BRANCH INVENTORY

$206.28/EA

Regular Price: $786.00/EA, you save $579.72 (74%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

Compare

SIEM B370

Part #SIEM B370 70AMP 3POLE 240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 240 VAC, 70 A, 60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, 8 to 4 AWG, 8 to 2 AWG Wire, Bolt-On/Pane

MFG #B370

4 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$251.17/EA

Regular Price: $957.00/EA, you save $705.84 (74%)

QTY

U/M

EA BX /4CA /16CS /16

ADD TO CARTADD TO LIST

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SIEM B220

Part #SIEM B220 20AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 20 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 14 to 10 AWG, 12 to

MFG #B220

95 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$60.81/EA

Regular Price: $242.00/EA, you save $181.19 (75%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SIEM B240

Part #SIEM B240 40AMP 2POLE 120/240VAC BOLT ON CIRCUIT BREAKER 10KAIC Siemens Molded Case Circuit Breaker, Type BL, 120/240 VAC, 40 A, 60 Hz Frequency, 10 kA Interrupt, 125 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, 8 to 6 AWG, 8 to 4 A

MFG #B240

28 in Stock. More available 05/21/2026 and 06/08/2026

VIEW BRANCH INVENTORY

$63.52/EA

Regular Price: $242.00/EA, you save $178.48 (74%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

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