Shop DIY 400 Amp Service

Sponsored
About our ads
$2,295.99
Generac Smart Switch Automatic Generator Transfer Switch, 400 Amps, 120/240 Volts, Single Phase, Model RTSR400A3
Northern Tool
Free shipping
$2,295.99
Generac Smart Switch Automatic Generator Transfer Switch, 400 Amps, 120/240 Volts, Single Phase, Model RTSR400A3
Northern Tool
$3,019.00
Generac RTSW400A3 400 Amp Service Entrance Rated Single Phase Automatic Transfer Switch New RTSW400A3
FactoryPure
58
$3,019.00
Generac RTSW400A3 400 Amp Service Entrance Rated Single Phase Automatic Transfer Switch New RTSW400A3
FactoryPure
$20,737.97
400A Portable Transfer Switch Panel - 480V AC Wye 3-Phase - Camlock Inputs/Outputs - (2) 400-Amp Mol
Larson Electronics
$20,737.97
400A Portable Transfer Switch Panel - 480V AC Wye 3-Phase - Camlock Inputs/Outputs - (2) 400-Amp Mol
Larson Electronics
$20,586.50
400A Switchboard W/ 400A Main Circuit Breaker - 480V 3PH, 3W, 60Hz - NEMA 3R
Larson Electronics
$20,586.50
400A Switchboard W/ 400A Main Circuit Breaker - 480V 3PH, 3W, 60Hz - NEMA 3R
Larson Electronics
$9,779.21
400 Amp Non-Fused Manual DC Disconnect Safety Switch - 1500V DC - 2-Pole, 2-Wire - NEMA 3R
Larson Electronics
$9,779.21
400 Amp Non-Fused Manual DC Disconnect Safety Switch - 1500V DC - 2-Pole, 2-Wire - NEMA 3R
Larson Electronics
$11,030.85
400-Amp Automatic Transfer Switch - 240V 1PH - Aluminum - Service Entrance Rated - NEMA 1
Larson Electronics
$11,030.85
400-Amp Automatic Transfer Switch - 240V 1PH - Aluminum - Service Entrance Rated - NEMA 1
Larson Electronics
$50,552.64
400-Amp Portable I-Line Panel - 480V Delta, 3-Phase - (5) 100A 3P MCCB, (1) 200A 3P MCCB - (5) DS100
Larson Electronics
$50,552.64
400-Amp Portable I-Line Panel - 480V Delta, 3-Phase - (5) 100A 3P MCCB, (1) 200A 3P MCCB - (5) DS100
Larson Electronics
$4,851.00
GE AEF3304MBX 400A 480Y/277 Breaker Panel Board 3PH 4W 400 Amp MLO 480V 3R (DW5865-1)
River City Industrial
$4,851.00
GE AEF3304MBX 400A 480Y/277 Breaker Panel Board 3PH 4W 400 Amp MLO 480V 3R (DW5865-1)
River City Industrial
$12,151.25
Power Distribution Panel - 240V AC, 1-Phase - 400A MB Panel - (33) Breakers - Left Side Hinged Door
Larson Electronics
$12,151.25
Power Distribution Panel - 240V AC, 1-Phase - 400A MB Panel - (33) Breakers - Left Side Hinged Door
Larson Electronics
$16,181.66
400 Amp Fused Manual AC Transfer Switch - 600V AC - 3-Pole - (2) Inputs, (3) 400A Class J Fuses - N
Larson Electronics
$16,181.66
400 Amp Fused Manual AC Transfer Switch - 600V AC - 3-Pole - (2) Inputs, (3) 400A Class J Fuses - N
Larson Electronics
$7,341.95
Power Distribution Panel - 208Y/120V 3PH - 400A MCB - (3) 3P 208V Breakers - N3R
Larson Electronics
$7,341.95
Power Distribution Panel - 208Y/120V 3PH - 400A MCB - (3) 3P 208V Breakers - N3R
Larson Electronics
$46,743.72
Dual 400A Portable Disconnect Panel, 208Y/120 3PH, (6) 100A MS90555C52412S (8) 60A MS90555C32412S Ou
Larson Electronics
$46,743.72
Dual 400A Portable Disconnect Panel, 208Y/120 3PH, (6) 100A MS90555C52412S (8) 60A MS90555C32412S Ou
Larson Electronics
$8,597.31
Electrical Power Distribution Panel - 120/240V 1PH - 400A MCB - NEMA 3R
Larson Electronics
$8,597.31
Electrical Power Distribution Panel - 120/240V 1PH - 400A MCB - NEMA 3R
Larson Electronics
$980.00
Siemens Tiastar Furnas 89 400 Amp Main Fusible Feeder MCC Bucket 400A Fused (TK4974-12)
River City Industrial
$980.00
Siemens Tiastar Furnas 89 400 Amp Main Fusible Feeder MCC Bucket 400A Fused (TK4974-12)
River City Industrial
$2,086.53
400A Electrical Meter Socket Enclosure For OH/UG - 120/240V 1PH, Ringless, Bypass Switch - Coated St
Larson Electronics
$2,086.53
400A Electrical Meter Socket Enclosure For OH/UG - 120/240V 1PH, Ringless, Bypass Switch - Coated St
Larson Electronics
$8,047.20
400A Power Panelboard, 3PH Main Lug Only Panel, 42 Circuit, 480Y/277, No Breakers, NEMA 3R, Wall Mou
Larson Electronics
$8,047.20
400A Power Panelboard, 3PH Main Lug Only Panel, 42 Circuit, 480Y/277, No Breakers, NEMA 3R, Wall Mou
Larson Electronics
$6,795.20
Power Distribution Panel - 480V 3PH - 400A MLO - (2) 150A 3P 480V (5) 20A 3P 480V Breakers - N3R
Larson Electronics
$6,795.20
Power Distribution Panel - 480V 3PH - 400A MLO - (2) 150A 3P 480V (5) 20A 3P 480V Breakers - N3R
Larson Electronics
$10,213.74
400-Amp Automatic Transfer Switch - 250V 1PH, 2 Pole 3 Wire - Aluminum - NEMA 4X
Larson Electronics
$10,213.74
400-Amp Automatic Transfer Switch - 250V 1PH, 2 Pole 3 Wire - Aluminum - NEMA 4X
Larson Electronics
$2,450.00
Square D H365 400A 600V Fusible Heavy Duty Safety Switch Disconnect 400 Amp E1 (DW5569-1)
River City Industrial
1
$2,450.00
Square D H365 400A 600V Fusible Heavy Duty Safety Switch Disconnect 400 Amp E1 (DW5569-1)
River City Industrial
$13.99
SIGANDG 400 Amp ANL Fuse Holder 0/2/4 Gauge Fuse Block With 400A ANL Fuses For Car Audio Truck DIY (2 Pack)
Amazon.com
229
$13.99
SIGANDG 400 Amp ANL Fuse Holder 0/2/4 Gauge Fuse Block With 400A ANL Fuses For Car Audio Truck DIY (2 Pack)
Amazon.com
$780.08
GE TJH4SS 400A Hi-Break Circuit Breaker W/ 400 Amp Plug 3P General Electric (EM0576-1)
River City Industrial
$780.08
GE TJH4SS 400A Hi-Break Circuit Breaker W/ 400 Amp Plug 3P General Electric (EM0576-1)
River City Industrial
$3,700.16
D-Curve MCCB Circuit Breaker For Power Distribution - 400 Amp - Three Pole - 480V AC Max - Fixed The
Larson Electronics
$3,700.16
D-Curve MCCB Circuit Breaker For Power Distribution - 400 Amp - Three Pole - 480V AC Max - Fixed The
Larson Electronics
$2,939.84
400A Electrical Meter Main Distribution Unit - 120/240V 1PH, 2P3W, Main Lug Input Connection, Alumin
Larson Electronics
$2,939.84
400A Electrical Meter Main Distribution Unit - 120/240V 1PH, 2P3W, Main Lug Input Connection, Alumin
Larson Electronics
$4,699.10
NEW Eaton Prl1a 400A 120/240V Main Breaker Panel Interior 1PH 3W 400 Amp Single (DW5620-1)
River City Industrial
$4,699.10
NEW Eaton Prl1a 400A 120/240V Main Breaker Panel Interior 1PH 3W 400 Amp Single (DW5620-1)
River City Industrial
$63,160.47
400A Portable Distribution Panel, 208Y - 208Y/120 3PH, 125A Terminal Lug NEMA Enclosure - (2) Sets C
Larson Electronics
$63,160.47
400A Portable Distribution Panel, 208Y - 208Y/120 3PH, 125A Terminal Lug NEMA Enclosure - (2) Sets C
Larson Electronics
$58,408.02
Power Distribution Disconnect - 600V 3PH - 2000A - 400A/600V Male Camlocks Input - NEMA 3R
Larson Electronics
$58,408.02
Power Distribution Disconnect - 600V 3PH - 2000A - 400A/600V Male Camlocks Input - NEMA 3R
Larson Electronics
$59.88
DIHOOL Heavy Duty Battery Disconnect Switch, 400 Amp DC Circuit Breaker For Boat Trolling Motor Marine
Amazon.com
35
Free shipping
$59.88
DIHOOL Heavy Duty Battery Disconnect Switch, 400 Amp DC Circuit Breaker For Boat Trolling Motor Marine
Amazon.com
$980.00
Square D H325N 400A 240V Fusible Safety Switch Disconnect 400 Amp H325-N D2 (DW5608-2)
River City Industrial
$980.00
Square D H325N 400A 240V Fusible Safety Switch Disconnect 400 Amp H325-N D2 (DW5608-2)
River City Industrial
$5,184.00
400 Amp Non-Fused Manual AC Disconnect Safety Switch - 600V AC - 3-Pole - NEMA 12
Larson Electronics
$5,184.00
400 Amp Non-Fused Manual AC Disconnect Safety Switch - 600V AC - 3-Pole - NEMA 12
Larson Electronics
$4,216.61
400 Amp Non-Fused Manual AC Disconnect Safety Switch - 600V AC - 3-Pole - NEMA 3R
Larson Electronics
$4,216.61
400 Amp Non-Fused Manual AC Disconnect Safety Switch - 600V AC - 3-Pole - NEMA 3R
Larson Electronics
$7,385.86
Power Distribution Panel - 480V 3PH - 400A MLO - (4) 100A 3P Breakers -Switchrack
Larson Electronics
$7,385.86
Power Distribution Panel - 480V 3PH - 400A MLO - (4) 100A 3P Breakers -Switchrack
Larson Electronics
$11.99
Joinfworld 400A MEGA Fuse, High Current Bolt Mount Automotive 400 Amp MEGA/AMG Fuse For Cars, Trucks, Construction Vehicles, Buses, Boats - 3Pcs
Amazon.com
115
$11.99
Joinfworld 400A MEGA Fuse, High Current Bolt Mount Automotive 400 Amp MEGA/AMG Fuse For Cars, Trucks, Construction Vehicles, Buses, Boats - 3Pcs
Amazon.com
$38.00
Spartan Power 400 Amp ANL Fuse & Holder Kit With 12 Inch 4/0 AWG Cable
Amazon.com
18
Free shipping
$38.00
Spartan Power 400 Amp ANL Fuse & Holder Kit With 12 Inch 4/0 AWG Cable
Amazon.com
$8,864.07
Power Distribution Panel - 240D 3PH - 400A MCB - (24) L6-20R - NEMA 3R
Larson Electronics
$8,864.07
Power Distribution Panel - 240D 3PH - 400A MCB - (24) L6-20R - NEMA 3R
Larson Electronics
$11,437.01
400A Portable Power Distribution Panel, 480V 3PH, (12) 30A 3P Breakers
Larson Electronics
$11,437.01
400A Portable Power Distribution Panel, 480V 3PH, (12) 30A 3P Breakers
Larson Electronics
$18,598.22
400A Rack Mount Power Distribution - 208Y/120V Wye Input - (6) L21-30R (6) 5-20R GFCI Duplex Outlets
Larson Electronics
$18,598.22
400A Rack Mount Power Distribution - 208Y/120V Wye Input - (6) L21-30R (6) 5-20R GFCI Duplex Outlets
Larson Electronics
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Shop DIY 400 Amp Service

Sponsored
About our ads
$2,295.99
Generac Smart Switch Automatic Generator Transfer Switch, 400 Amps, 120/240 Volts, Single Phase, Model RTSR400A3
Northern Tool
Free shipping
$2,295.99
Generac Smart Switch Automatic Generator Transfer Switch, 400 Amps, 120/240 Volts, Single Phase, Model RTSR400A3
Northern Tool
$3,019.00
Generac RTSW400A3 400 Amp Service Entrance Rated Single Phase Automatic Transfer Switch New RTSW400A3
FactoryPure
58
$3,019.00
Generac RTSW400A3 400 Amp Service Entrance Rated Single Phase Automatic Transfer Switch New RTSW400A3
FactoryPure
$20,737.97
400A Portable Transfer Switch Panel - 480V AC Wye 3-Phase - Camlock Inputs/Outputs - (2) 400-Amp Mol
Larson Electronics
$20,737.97
400A Portable Transfer Switch Panel - 480V AC Wye 3-Phase - Camlock Inputs/Outputs - (2) 400-Amp Mol
Larson Electronics
$20,586.50
400A Switchboard W/ 400A Main Circuit Breaker - 480V 3PH, 3W, 60Hz - NEMA 3R
Larson Electronics
$20,586.50
400A Switchboard W/ 400A Main Circuit Breaker - 480V 3PH, 3W, 60Hz - NEMA 3R
Larson Electronics
$9,779.21
400 Amp Non-Fused Manual DC Disconnect Safety Switch - 1500V DC - 2-Pole, 2-Wire - NEMA 3R
Larson Electronics
$9,779.21
400 Amp Non-Fused Manual DC Disconnect Safety Switch - 1500V DC - 2-Pole, 2-Wire - NEMA 3R
Larson Electronics
$11,030.85
400-Amp Automatic Transfer Switch - 240V 1PH - Aluminum - Service Entrance Rated - NEMA 1
Larson Electronics
$11,030.85
400-Amp Automatic Transfer Switch - 240V 1PH - Aluminum - Service Entrance Rated - NEMA 1
Larson Electronics
$50,552.64
400-Amp Portable I-Line Panel - 480V Delta, 3-Phase - (5) 100A 3P MCCB, (1) 200A 3P MCCB - (5) DS100
Larson Electronics
$50,552.64
400-Amp Portable I-Line Panel - 480V Delta, 3-Phase - (5) 100A 3P MCCB, (1) 200A 3P MCCB - (5) DS100
Larson Electronics
$4,851.00
GE AEF3304MBX 400A 480Y/277 Breaker Panel Board 3PH 4W 400 Amp MLO 480V 3R (DW5865-1)
River City Industrial
$4,851.00
GE AEF3304MBX 400A 480Y/277 Breaker Panel Board 3PH 4W 400 Amp MLO 480V 3R (DW5865-1)
River City Industrial
$12,151.25
Power Distribution Panel - 240V AC, 1-Phase - 400A MB Panel - (33) Breakers - Left Side Hinged Door
Larson Electronics
$12,151.25
Power Distribution Panel - 240V AC, 1-Phase - 400A MB Panel - (33) Breakers - Left Side Hinged Door
Larson Electronics
$16,181.66
400 Amp Fused Manual AC Transfer Switch - 600V AC - 3-Pole - (2) Inputs, (3) 400A Class J Fuses - N
Larson Electronics
$16,181.66
400 Amp Fused Manual AC Transfer Switch - 600V AC - 3-Pole - (2) Inputs, (3) 400A Class J Fuses - N
Larson Electronics
$7,341.95
Power Distribution Panel - 208Y/120V 3PH - 400A MCB - (3) 3P 208V Breakers - N3R
Larson Electronics
$7,341.95
Power Distribution Panel - 208Y/120V 3PH - 400A MCB - (3) 3P 208V Breakers - N3R
Larson Electronics
$46,743.72
Dual 400A Portable Disconnect Panel, 208Y/120 3PH, (6) 100A MS90555C52412S (8) 60A MS90555C32412S Ou
Larson Electronics
$46,743.72
Dual 400A Portable Disconnect Panel, 208Y/120 3PH, (6) 100A MS90555C52412S (8) 60A MS90555C32412S Ou
Larson Electronics
$8,597.31
Electrical Power Distribution Panel - 120/240V 1PH - 400A MCB - NEMA 3R
Larson Electronics
$8,597.31
Electrical Power Distribution Panel - 120/240V 1PH - 400A MCB - NEMA 3R
Larson Electronics
$980.00
Siemens Tiastar Furnas 89 400 Amp Main Fusible Feeder MCC Bucket 400A Fused (TK4974-12)
River City Industrial
$980.00
Siemens Tiastar Furnas 89 400 Amp Main Fusible Feeder MCC Bucket 400A Fused (TK4974-12)
River City Industrial
$2,086.53
400A Electrical Meter Socket Enclosure For OH/UG - 120/240V 1PH, Ringless, Bypass Switch - Coated St
Larson Electronics
$2,086.53
400A Electrical Meter Socket Enclosure For OH/UG - 120/240V 1PH, Ringless, Bypass Switch - Coated St
Larson Electronics
$8,047.20
400A Power Panelboard, 3PH Main Lug Only Panel, 42 Circuit, 480Y/277, No Breakers, NEMA 3R, Wall Mou
Larson Electronics
$8,047.20
400A Power Panelboard, 3PH Main Lug Only Panel, 42 Circuit, 480Y/277, No Breakers, NEMA 3R, Wall Mou
Larson Electronics
$6,795.20
Power Distribution Panel - 480V 3PH - 400A MLO - (2) 150A 3P 480V (5) 20A 3P 480V Breakers - N3R
Larson Electronics
$6,795.20
Power Distribution Panel - 480V 3PH - 400A MLO - (2) 150A 3P 480V (5) 20A 3P 480V Breakers - N3R
Larson Electronics
$10,213.74
400-Amp Automatic Transfer Switch - 250V 1PH, 2 Pole 3 Wire - Aluminum - NEMA 4X
Larson Electronics
$10,213.74
400-Amp Automatic Transfer Switch - 250V 1PH, 2 Pole 3 Wire - Aluminum - NEMA 4X
Larson Electronics