1-Phase Main Breaker

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12243648

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SIEM SN3030B1100

Part #SIEM SN3030B1100 STD PNR LC MB 30S/30C 1PH 100A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 30 Circuits, 3-Wire Wiring Configura

MFG #SN3030B1100

58 in Stock. More available 02/16/2026 and 03/02/2026

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$261.03/EA

Regular Price: $263.00/EA, you save $1.97 (1%)

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EA PL /21

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SIEM SN4060B1200

Part #SIEM SN4060B1200 STD PNR LC MB 40S/60C 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 60 Circuits, 3-Wire Wiring Configura

MFG #SN4060B1200

34 in Stock. More available 03/02/2026

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$467.15/EA

Regular Price: $544.00/EA, you save $76.85 (14%)

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EA PL /21

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SIEM SNW3048B1200

Part #SIEM SNW3048B1200 STD PNR LC MB 30S/48C 1PH 200A N3R GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 48 Circuits, 3-Wire Wiring Configu

MFG #SNW3048B1200

2 in Stock. More available 03/06/2026

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$650.75/EA

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SIEM SN2020B1100-KIT

Part #SIEM SN2020B1100-KIT STD PNR LC MB 20S/20C 1PH 100A INDOOR NEMA1 100AMP MAIN BREAKER GRY, BREAKERS INCLUDED(1)Q230 (6)Q120

MFG #SN2020B1100-KIT

44 in Stock. More available 03/02/2026

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$319.81/EA

Regular Price: $359.80/EA, you save $39.99 (11%)

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SIEM SN4040B1200-KIT

Part #SIEM SN4040B1200-KIT STD PNR LC MB 40S/40C 1PH 200A N1 200AMP MAIN BREAKER BREAKERS INCLUDED(6)Q115,(6)Q120,(1)Q230,(1) Q250

MFG #SN4040B1200-KIT

33 in Stock. More available 03/02/2026

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$656.24/EA

Regular Price: $773.60/EA, you save $117.37 (15%)

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EA SK /21

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SIEM SN3048B1200

Part #SIEM SN3048B1200 STD PNR LC MB 30S/48C 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 48 Circuits, 3-Wire Wiring Configura

MFG #SN3048B1200

31 in Stock. More available 03/05/2026

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$408.75/EA

Regular Price: $476.00/EA, you save $67.25 (14%)

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U/M

EA BX /21

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SIEM SN4040B1200

Part #SIEM SN4040B1200 STD PNR LC MB 40S/40C 1PH 200A N1 GRY ALUMINUM BUS Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 40 Circuits, 3-Wire Wir

MFG #SN4040B1200

33 in Stock. More available 03/02/2026

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$447.32/EA

Regular Price: $532.00/EA, you save $84.68 (16%)

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EA BX /24PL /24

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SIEM SN3048B1200-KIT

Part #SIEM SN3048B1200-KIT STD PNR LC MB 30S/48C 1PH 200A N1 200AMP MAIN BREAKER GRY, BREAKERS INCLUDED(6)Q115,(6)Q120,(1)Q230,(1) Q250

MFG #SN3048B1200-KIT

31 in Stock. More available 03/05/2026

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$617.66/EA

Regular Price: $717.60/EA, you save $99.94 (14%)

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SIEM SN2020B1100

Part #SIEM SN2020B1100 STD PNR LC MB 20S/20C 1PH 100A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 20 Circuits, 3-Wire Wiring Configura

MFG #SN2020B1100

35 in Stock. More available 03/02/2026

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$215.64/EA

Regular Price: $239.00/EA, you save $23.36 (10%)

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U/M

EA PL /28

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SIEM SNW2020B1100

Part #SIEM SNW2020B1100 STD PNR LC MB 20S/20C 1PH 100A N3R GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 20 Circuits, 3-Wire Wiring Configu

MFG #SNW2020B1100

6 in Stock. More available 03/02/2026

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$425.60/EA

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SIEM SNW2040B1200

Part #SIEM SNW2040B1200 STD PNR LC MB 20S/40C 1PH 200A N3R GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 40 Circuits, 3-Wire Wiring Configu

MFG #SNW2040B1200

3 in Stock. More available 03/02/2026

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$520.61/EA

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SIEM SN2040B1200

Part #SIEM SN2040B1200 STD PNR LC MB 20S/40C 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 40 Circuits, 3-Wire Wiring Configura

MFG #SN2040B1200

2 in Stock. More available 03/02/2026

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$421.76/EA

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SIEM SN3030B1150

Part #SIEM SN3030B1150 STD PNR LC MB 30S/30C 1PH 150A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 150 A, 22 kAIC Interrupt, 30 Circuits, 3-Wire Wiring Configura

MFG #SN3030B1150

9 in Stock. More available 03/02/2026

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$401.07/EA

Regular Price: $448.00/EA, you save $46.93 (10%)

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SIEM SN1224B1100

Part #SIEM SN1224B1100 STD PNR LC MB 12S/24C 1PH 100A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 24 Circuits, 3-Wire Wiring Configura

MFG #SN1224B1100

7 in Stock. More available 03/02/2026

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$233.24/EA

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SIEM SN3030B1100-KIT

Part #SIEM SN3030B1100-KIT STD PNR LC MB 30S/30C 1PH 100A N1 ALUM BUS BAR,100AMP MAIN BREAKER GRY, BREAKERS INCLUDED,(1)Q230,(6)Q120

MFG #SN3030B1100-KIT

58 in Stock. More available 03/02/2026

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$365.20/EA

Regular Price: $383.80/EA, you save $18.60 (5%)

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SIEM SN5482B1200-KIT

Part #SIEM SN5482B1200-KIT STD PNR LC MB 54S/82C AL 1PH 200A N1 GRY,BREAKERS INCLUDED,(12)Q115,(12)Q115,(1)Q230. (1)Q250

MFG #SN5482B1200-KIT

12 in Stock. More available 03/07/2026

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$1144.57/EA

Regular Price: $1294.60/EA, you save $150.03 (12%)

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SIEM SNW0816B1200T

Part #SIEM SNW0816B1200T STD PNR LC MB 8S/16C 1PH 200A FTL N3R FEED THRU LUGS Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 16 Circuits, 3-Wire

MFG #SNW0816B1200T

23 in Stock. More available 03/02/2026

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$379.95/EA

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SIEM SN5482B1200

Part #SIEM SN5482B1200 STD PNR LC MB 54S/82C AL 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 82 Circuits, 3-Wire Wiring Config

MFG #SN5482B1200

12 in Stock. More available 03/07/2026

VIEW BRANCH INVENTORY

$782.99/EA

Regular Price: $873.00/EA, you save $90.01 (10%)

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SIEM SN3030B1100

Part #SIEM SN3030B1100 STD PNR LC MB 30S/30C 1PH 100A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 30 Circuits, 3-Wire Wiring Configura

MFG #SN3030B1100

58 in Stock. More available 02/16/2026 and 03/02/2026

VIEW BRANCH INVENTORY

$261.03/EA

Regular Price: $263.00/EA, you save $1.97 (1%)

QTY

U/M

EA PL /21

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SIEM SN4060B1200

Part #SIEM SN4060B1200 STD PNR LC MB 40S/60C 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 60 Circuits, 3-Wire Wiring Configura

MFG #SN4060B1200

34 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$467.15/EA

Regular Price: $544.00/EA, you save $76.85 (14%)

QTY

U/M

EA PL /21

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SIEM SNW3048B1200

Part #SIEM SNW3048B1200 STD PNR LC MB 30S/48C 1PH 200A N3R GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 48 Circuits, 3-Wire Wiring Configu

MFG #SNW3048B1200

2 in Stock. More available 03/06/2026

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$650.75/EA

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SIEM SN2020B1100-KIT

Part #SIEM SN2020B1100-KIT STD PNR LC MB 20S/20C 1PH 100A INDOOR NEMA1 100AMP MAIN BREAKER GRY, BREAKERS INCLUDED(1)Q230 (6)Q120

MFG #SN2020B1100-KIT

44 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$319.81/EA

Regular Price: $359.80/EA, you save $39.99 (11%)

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SIEM SN4040B1200-KIT

Part #SIEM SN4040B1200-KIT STD PNR LC MB 40S/40C 1PH 200A N1 200AMP MAIN BREAKER BREAKERS INCLUDED(6)Q115,(6)Q120,(1)Q230,(1) Q250

MFG #SN4040B1200-KIT

33 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$656.24/EA

Regular Price: $773.60/EA, you save $117.37 (15%)

QTY

U/M

EA SK /21

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SIEM SN3048B1200

Part #SIEM SN3048B1200 STD PNR LC MB 30S/48C 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 48 Circuits, 3-Wire Wiring Configura

MFG #SN3048B1200

31 in Stock. More available 03/05/2026

VIEW BRANCH INVENTORY

$408.75/EA

Regular Price: $476.00/EA, you save $67.25 (14%)

QTY

U/M

EA BX /21

ADD TO CARTADD TO LIST

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SIEM SN4040B1200

Part #SIEM SN4040B1200 STD PNR LC MB 40S/40C 1PH 200A N1 GRY ALUMINUM BUS Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 40 Circuits, 3-Wire Wir

MFG #SN4040B1200

33 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$447.32/EA

Regular Price: $532.00/EA, you save $84.68 (16%)

QTY

U/M

EA BX /24PL /24

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SIEM SN3048B1200-KIT

Part #SIEM SN3048B1200-KIT STD PNR LC MB 30S/48C 1PH 200A N1 200AMP MAIN BREAKER GRY, BREAKERS INCLUDED(6)Q115,(6)Q120,(1)Q230,(1) Q250

MFG #SN3048B1200-KIT

31 in Stock. More available 03/05/2026

VIEW BRANCH INVENTORY

$617.66/EA

Regular Price: $717.60/EA, you save $99.94 (14%)

QTY

ADD TO CARTADD TO LIST

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SIEM SN2020B1100

Part #SIEM SN2020B1100 STD PNR LC MB 20S/20C 1PH 100A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 20 Circuits, 3-Wire Wiring Configura

MFG #SN2020B1100

35 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$215.64/EA

Regular Price: $239.00/EA, you save $23.36 (10%)

QTY

U/M

EA PL /28

ADD TO CARTADD TO LIST

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SIEM SNW2020B1100

Part #SIEM SNW2020B1100 STD PNR LC MB 20S/20C 1PH 100A N3R GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 20 Circuits, 3-Wire Wiring Configu

MFG #SNW2020B1100

6 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$425.60/EA

QTY

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SIEM SNW2040B1200

Part #SIEM SNW2040B1200 STD PNR LC MB 20S/40C 1PH 200A N3R GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 40 Circuits, 3-Wire Wiring Configu

MFG #SNW2040B1200

3 in Stock. More available 03/02/2026

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$520.61/EA

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SIEM SN2040B1200

Part #SIEM SN2040B1200 STD PNR LC MB 20S/40C 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 40 Circuits, 3-Wire Wiring Configura

MFG #SN2040B1200

2 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$421.76/EA

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SIEM SN3030B1150

Part #SIEM SN3030B1150 STD PNR LC MB 30S/30C 1PH 150A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 150 A, 22 kAIC Interrupt, 30 Circuits, 3-Wire Wiring Configura

MFG #SN3030B1150

9 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$401.07/EA

Regular Price: $448.00/EA, you save $46.93 (10%)

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SIEM SN1224B1100

Part #SIEM SN1224B1100 STD PNR LC MB 12S/24C 1PH 100A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 100 A, 22 kAIC Interrupt, 24 Circuits, 3-Wire Wiring Configura

MFG #SN1224B1100

7 in Stock. More available 03/02/2026

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$233.24/EA

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SIEM SN3030B1100-KIT

Part #SIEM SN3030B1100-KIT STD PNR LC MB 30S/30C 1PH 100A N1 ALUM BUS BAR,100AMP MAIN BREAKER GRY, BREAKERS INCLUDED,(1)Q230,(6)Q120

MFG #SN3030B1100-KIT

58 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$365.20/EA

Regular Price: $383.80/EA, you save $18.60 (5%)

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SIEM SN5482B1200-KIT

Part #SIEM SN5482B1200-KIT STD PNR LC MB 54S/82C AL 1PH 200A N1 GRY,BREAKERS INCLUDED,(12)Q115,(12)Q115,(1)Q230. (1)Q250

MFG #SN5482B1200-KIT

12 in Stock. More available 03/07/2026

VIEW BRANCH INVENTORY

$1144.57/EA

Regular Price: $1294.60/EA, you save $150.03 (12%)

QTY

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SIEM SNW0816B1200T

Part #SIEM SNW0816B1200T STD PNR LC MB 8S/16C 1PH 200A FTL N3R FEED THRU LUGS Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 16 Circuits, 3-Wire

MFG #SNW0816B1200T

23 in Stock. More available 03/02/2026

VIEW BRANCH INVENTORY

$379.95/EA

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SIEM SN5482B1200

Part #SIEM SN5482B1200 STD PNR LC MB 54S/82C AL 1PH 200A N1 GRY Siemens SPEEDFAXâ„¢ Main Breaker Load Center, 1-Phase Assembled Low Voltage, Series: Standard SN Series, 120/240 VAC, 200 A, 22 kAIC Interrupt, 82 Circuits, 3-Wire Wiring Config

MFG #SN5482B1200

12 in Stock. More available 03/07/2026

VIEW BRANCH INVENTORY

$782.99/EA

Regular Price: $873.00/EA, you save $90.01 (10%)

QTY

ADD TO CARTADD TO LIST

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12243648