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

6 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$575.13/BX

Regular Price: $2325.00/BX, you save $1,749.87 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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 01/08/2026

VIEW BRANCH INVENTORY

$797.76/BX

Regular Price: $3225.00/BX, you save $2,427.24 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

10 in Stock. More available 01/12/2026

VIEW BRANCH INVENTORY

$686.45/BX

Regular Price: $2775.00/BX, you save $2,088.55 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

3 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$1100.80/BX

Regular Price: $4450.00/BX, you save $3,349.20 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

3 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$465.06/BX

Regular Price: $1880.00/BX, you save $1,414.94 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

6 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$575.13/BX

Regular Price: $2325.00/BX, you save $1,749.87 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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 01/08/2026

VIEW BRANCH INVENTORY

$797.76/BX

Regular Price: $3225.00/BX, you save $2,427.24 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

10 in Stock. More available 01/12/2026

VIEW BRANCH INVENTORY

$686.45/BX

Regular Price: $2775.00/BX, you save $2,088.55 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

3 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$1100.80/BX

Regular Price: $4450.00/BX, you save $3,349.20 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

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

3 in Stock. More available 01/08/2026

VIEW BRANCH INVENTORY

$465.06/BX

Regular Price: $1880.00/BX, you save $1,414.94 (75%)

QTY

U/M

EA BX

ADD TO CARTADD TO LIST

Results Per Page

8162448