Convertible Mains — 3-Phase, 4-Wire 208Y/120V

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SIEM P1X30MC250CT

Part #SIEM P1X30MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (30) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X30MC250CT

1 in Stock. More available 05/08/2026 and 05/25/2026

VIEW BRANCH INVENTORY

$592.44/EA

Regular Price: $2395.00/EA, you save $1,802.56 (75%)

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SIEM P1X54MC250CT

Part #SIEM P1X54MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (54) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X54MC250CT

3 in Stock. More available 05/25/2026

VIEW BRANCH INVENTORY

$821.77/EA

Regular Price: $3322.00/EA, you save $2,500.23 (75%)

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SIEM P1X42MC250CT

Part #SIEM P1X42MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (42) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X42MC250CT

4 in Stock. More available 05/11/2026 and 05/25/2026

VIEW BRANCH INVENTORY

$707.22/EA

Regular Price: $2859.00/EA, you save $2,151.78 (75%)

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SIEM P1X42MC400CT

Part #SIEM P1X42MC400CT 400AMP 120/208VAC 3PHASE 4WIRE (42) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 400 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X42MC400CT

4 in Stock. More available 05/25/2026

VIEW BRANCH INVENTORY

$1133.95/EA

Regular Price: $4584.00/EA, you save $3,450.05 (75%)

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SIEM P1X18MC250CT

Part #SIEM P1X18MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (18) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X18MC250CT

2 in Stock. More available 05/25/2026

VIEW BRANCH INVENTORY

$479.15/EA

Regular Price: $1937.00/EA, you save $1,457.85 (75%)

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SIEM P1X30MC250CT

Part #SIEM P1X30MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (30) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X30MC250CT

1 in Stock. More available 05/08/2026 and 05/25/2026

VIEW BRANCH INVENTORY

$592.44/EA

Regular Price: $2395.00/EA, you save $1,802.56 (75%)

QTY

ADD TO CARTADD TO LIST

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SIEM P1X54MC250CT

Part #SIEM P1X54MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (54) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X54MC250CT

3 in Stock. More available 05/25/2026

VIEW BRANCH INVENTORY

$821.77/EA

Regular Price: $3322.00/EA, you save $2,500.23 (75%)

QTY

ADD TO CARTADD TO LIST

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SIEM P1X42MC250CT

Part #SIEM P1X42MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (42) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X42MC250CT

4 in Stock. More available 05/11/2026 and 05/25/2026

VIEW BRANCH INVENTORY

$707.22/EA

Regular Price: $2859.00/EA, you save $2,151.78 (75%)

QTY

ADD TO CARTADD TO LIST

Compare

SIEM P1X42MC400CT

Part #SIEM P1X42MC400CT 400AMP 120/208VAC 3PHASE 4WIRE (42) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 400 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X42MC400CT

4 in Stock. More available 05/25/2026

VIEW BRANCH INVENTORY

$1133.95/EA

Regular Price: $4584.00/EA, you save $3,450.05 (75%)

QTY

ADD TO CARTADD TO LIST

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SIEM P1X18MC250CT

Part #SIEM P1X18MC250CT 250AMP 120/208VAC 3PHASE 4WIRE (18) CIRCUIT PANELBOARD INTERIOR ONLY COPPER BUS Siemens Panelboard Interior, Type P1, 208/120 VAC, 250 A, BL/BLH/HBL Breaker, 3-Phase, 4-Wire Wiring Configuration, Copper Bus, NEMA 1/3R/12 Enclosure,

MFG #P1X18MC250CT

2 in Stock. More available 05/25/2026

VIEW BRANCH INVENTORY

$479.15/EA

Regular Price: $1937.00/EA, you save $1,457.85 (75%)

QTY

ADD TO CARTADD TO LIST

Results Per Page

12243648