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SIEM MBK100A

Part #SIEM MBK100A 100AMP MAIN BREAKER KIT FOR USE IN ULTIMATE LOADCENTERS 1PHASE Siemens Main Breaker Kit, Type ST Low Voltage Transfer Switch, 120/240 VAC, 100 A, 22 kA Interrupt, EQ Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, NEMA 1 Enclosure, Bolt-On/P

MFG #MBK100A

10 in Stock. More available 01/05/2026

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$116.92 per EA (1) / EA

Regular Price: $732.00 per EA (1), you save $615.08 (84%)

QTY

U/M

EA PL /252

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SIEM Q2200B

Part #SIEM Q2200B 200AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QPP, 120/240 VAC, 200 A, 60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Plug-In Connection, 3/0 AWG to 250 kcmil Wire, 12.9

MFG #Q2200B

2 in Stock. More available 12/22/2025 and 01/05/2026

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$345.03 per EA (1) / EA

Regular Price: $354.00 per EA (1), you save $8.98 (3%)

QTY

U/M

EA BX /2CA /8CS /8

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SIEM MBK200

Part #SIEM MBK200 200AMP MAIN BREAKER KIT FOR USE IN EQIII LOADCENTERS 1PHASE (OLDER STYLE) LOOKS LIKE A 4POLE Siemens Molded Case Circuit Breaker, Type EQ, 120/240 VAC, 200 A, 22 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Bolt-On Connection, 6.5 i

MFG #MBK200

7 in Stock. More available 01/05/2026

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$288.22 per EA (1) / EA

Regular Price: $2039.00 per EA (1), you save $1,750.78 (86%)

QTY

U/M

EA BX /4

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SIEM MBK200A

Part #SIEM MBK200A 200AMP MAIN BREAKER KIT FOR USE IN ULTIMATE LOADCENTERS 1PHASE (NEW STYLE) EQ8695 Siemens Molded Case Circuit Breaker, Type EQ, 120/240 VAC, 200 A, 22 kA Interrupt, EQ Frame, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Bolt-On Connection, 6.

MFG #MBK200A

12 in Stock. More available 01/05/2026

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$294.70 per EA (1) / EA

Regular Price: $1845.00 per EA (1), you save $1,550.30 (84%)

QTY

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SIEM MBK100A

Part #SIEM MBK100A 100AMP MAIN BREAKER KIT FOR USE IN ULTIMATE LOADCENTERS 1PHASE Siemens Main Breaker Kit, Type ST Low Voltage Transfer Switch, 120/240 VAC, 100 A, 22 kA Interrupt, EQ Frame, Thermal/Magnetic Trip, 2 Pole, 1 ph, NEMA 1 Enclosure, Bolt-On/P

MFG #MBK100A

10 in Stock. More available 01/05/2026

VIEW BRANCH INVENTORY

$116.92 per EA (1) / EA

Regular Price: $732.00 per EA (1), you save $615.08 (84%)

QTY

U/M

EA PL /252

ADD TO CARTADD TO LIST

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SIEM Q2200B

Part #SIEM Q2200B 200AMP 2POLE 120/240VAC PLUG-IN CIRCUIT BREAKER Siemens Molded Case Circuit Breaker, Type QPP, 120/240 VAC, 200 A, 60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Plug-In Connection, 3/0 AWG to 250 kcmil Wire, 12.9

MFG #Q2200B

2 in Stock. More available 12/22/2025 and 01/05/2026

VIEW BRANCH INVENTORY

$345.03 per EA (1) / EA

Regular Price: $354.00 per EA (1), you save $8.98 (3%)

QTY

U/M

EA BX /2CA /8CS /8

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SIEM MBK200

Part #SIEM MBK200 200AMP MAIN BREAKER KIT FOR USE IN EQIII LOADCENTERS 1PHASE (OLDER STYLE) LOOKS LIKE A 4POLE Siemens Molded Case Circuit Breaker, Type EQ, 120/240 VAC, 200 A, 22 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Bolt-On Connection, 6.5 i

MFG #MBK200

7 in Stock. More available 01/05/2026

VIEW BRANCH INVENTORY

$288.22 per EA (1) / EA

Regular Price: $2039.00 per EA (1), you save $1,750.78 (86%)

QTY

U/M

EA BX /4

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SIEM MBK200A

Part #SIEM MBK200A 200AMP MAIN BREAKER KIT FOR USE IN ULTIMATE LOADCENTERS 1PHASE (NEW STYLE) EQ8695 Siemens Molded Case Circuit Breaker, Type EQ, 120/240 VAC, 200 A, 22 kA Interrupt, EQ Frame, LI/Thermal Magnetic Trip, 2 Pole, 1 ph, Bolt-On Connection, 6.

MFG #MBK200A

12 in Stock. More available 01/05/2026

VIEW BRANCH INVENTORY

$294.70 per EA (1) / EA

Regular Price: $1845.00 per EA (1), you save $1,550.30 (84%)

QTY

ADD TO CARTADD TO LIST

Results Per Page

12243648