"BQD" Bolt-on Breakers (277/480V)

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SIEM BQD370

Part #SIEM BQD370 70AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 70 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Low Tab Connection, 8

MFG #BQD370

3 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$712.23/EA

Regular Price: $2090.00/EA, you save $1,377.77 (66%)

QTY

U/M

EA BX /12CA /480CS /480

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SIEM BQD315

Part #SIEM BQD315 15AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 15 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD315

81 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

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SIEM BQD360

Part #SIEM BQD360 60AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 60 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 6

MFG #BQD360

15 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

U/M

EA BX /8

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SIEM BQD120

Part #SIEM BQD120 20AMP 1POLE 277VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 277 VAC, 20 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, Lug-In/Out Connection, 12 to 6 A

MFG #BQD120

48 in Stock. More available 04/04/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$134.96/EA

Regular Price: $396.00/EA, you save $261.04 (66%)

QTY

U/M

EA BX /34

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SIEM BQD220

Part #SIEM BQD220 20AMP 2POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 277/480 VAC, 125/250 VDC, 20 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, Low Tab

MFG #BQD220

3 in Stock. More available 04/04/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$298.86/EA

Regular Price: $877.00/EA, you save $578.14 (66%)

QTY

U/M

EA BX /8

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SIEM BQD330

Part #SIEM BQD330 30AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 30 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD330

96 in Stock. More available 04/04/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$525.17/EA

Regular Price: $1549.00/EA, you save $1,023.83 (66%)

QTY

U/M

EA BX /8CA /480CS /480

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SIEM BQD3100

Part #SIEM BQD3100 100AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480Y/277 VAC, 100 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Low Tab Connectio

MFG #BQD3100

19 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$712.23/EA

Regular Price: $2090.00/EA, you save $1,377.77 (66%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

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SIEM BQD320

Part #SIEM BQD320 20AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 20 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD320

45 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$525.17/EA

Regular Price: $1549.00/EA, you save $1,023.83 (66%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

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SIEM BQD350

Part #SIEM BQD350 50AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 277/480 VAC, 50 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Low Tab Connection, 8

MFG #BQD350

14 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

U/M

EA BX /12CA /480CS /480

ADD TO CARTADD TO LIST

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SIEM BQD340

Part #SIEM BQD340 40AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 40 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD340

10 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

SIEM BQD370

Part #SIEM BQD370 70AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 70 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Low Tab Connection, 8

MFG #BQD370

3 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$712.23/EA

Regular Price: $2090.00/EA, you save $1,377.77 (66%)

QTY

U/M

EA BX /12CA /480CS /480

ADD TO CARTADD TO LIST

Compare

SIEM BQD315

Part #SIEM BQD315 15AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 15 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD315

81 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

ADD TO CARTADD TO LIST

Compare

SIEM BQD360

Part #SIEM BQD360 60AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 60 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 6

MFG #BQD360

15 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

U/M

EA BX /8

ADD TO CARTADD TO LIST

Compare

SIEM BQD120

Part #SIEM BQD120 20AMP 1POLE 277VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 277 VAC, 20 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 1 Pole, 1 ph, Toggle Actuator, Lug-In/Out Connection, 12 to 6 A

MFG #BQD120

48 in Stock. More available 04/04/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$134.96/EA

Regular Price: $396.00/EA, you save $261.04 (66%)

QTY

U/M

EA BX /34

ADD TO CARTADD TO LIST

Compare

SIEM BQD220

Part #SIEM BQD220 20AMP 2POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 277/480 VAC, 125/250 VDC, 20 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, Low Tab

MFG #BQD220

3 in Stock. More available 04/04/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$298.86/EA

Regular Price: $877.00/EA, you save $578.14 (66%)

QTY

U/M

EA BX /8

ADD TO CARTADD TO LIST

Compare

SIEM BQD330

Part #SIEM BQD330 30AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 30 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD330

96 in Stock. More available 04/04/2026 and 04/20/2026

VIEW BRANCH INVENTORY

$525.17/EA

Regular Price: $1549.00/EA, you save $1,023.83 (66%)

QTY

U/M

EA BX /8CA /480CS /480

ADD TO CARTADD TO LIST

Compare

SIEM BQD3100

Part #SIEM BQD3100 100AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480Y/277 VAC, 100 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Low Tab Connectio

MFG #BQD3100

19 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$712.23/EA

Regular Price: $2090.00/EA, you save $1,377.77 (66%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

SIEM BQD320

Part #SIEM BQD320 20AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 20 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD320

45 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$525.17/EA

Regular Price: $1549.00/EA, you save $1,023.83 (66%)

QTY

U/M

EA BX /4

ADD TO CARTADD TO LIST

Compare

SIEM BQD350

Part #SIEM BQD350 50AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 277/480 VAC, 50 A, 50/60 Hz Frequency, 14 kA Interrupt, 100 A Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Low Tab Connection, 8

MFG #BQD350

14 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

U/M

EA BX /12CA /480CS /480

ADD TO CARTADD TO LIST

Compare

SIEM BQD340

Part #SIEM BQD340 40AMP 3POLE 277/480VAC BOLT ON CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type BQD, 480/277 VAC, 40 A, 50/60 Hz Frequency, 14 kA Interrupt, BQ Frame, Thermal/Magnetic Trip, 3 Pole, 3 ph, Toggle Actuator, Lug-In/Out Connection, 1

MFG #BQD340

10 in Stock. More available 04/20/2026

VIEW BRANCH INVENTORY

$527.88/EA

Regular Price: $1549.00/EA, you save $1,021.12 (66%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Results Per Page

12243648