Square D Panelboards (Switchboards) ManufacturersSquare D (188)LocationColorado (1)Florida (6)North Carolina (101)Ohio (55)Pennsylvania (17)South Carolina (1)Tennessee (4)Washington (1)British Columbia (2)Motor ConditionAll ConditionsUsed Only (175)New/Rebuilt Only (13) Search by Keywords Reset 101 - 150 of 188 listings View All ListingsMotor ConditionAll ConditionsUsed Only (175)New/Rebuilt Only (13) Sort by Sort by RelevanceTitleRecently ListedYear (Newest)Price Low to HighPrice High to Low Show/Hide Photos 400 Amp. Square D NQOD442L400, Panelboard, 208Y/120 Volts 3PH 4W Indoor Encl 42 Circuit MLO P470Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D HCP, Panelboard, Interior 208/120 Volts 3PH LGA36400U31X Main MCB, NewBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NQ, Panelboard, 208/120 Volts 3PH 4W MLO 42 Circuit Indoor Encl SP101Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NQ, Panelboard, 208/120 Volts 3PH 4W MLO 42 Circuit Indoor Encl MH50Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NQOD442L400TFL, Panelboard, 208Y/120 Volts 3PH 4W Indoor Encl MLO 42 Cir P361Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square DGet email updates for newly added Panelboards (Switchboards)New Listing AlertPanelboards (also known as switchboards) are electrical panels used to distribute and manage electrical power to various circuits within a building or facility. Commonly used in residential, commercial, and industrial applications, they house circuit breakers or fuses to protect electrical circuits. Panelboards are essential for organizing and controlling electrical distribution, ensuring safety and efficient power management. 400 Amp. Square D NQOD442L400TFL, Panelboard, 208Y/120 Volts 3PH 4W 42 Cir Indoor Encl MLO P365Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 480/277 Volts 3PH 4W Main LAP36400MT W/ JDL36200 30 Cir P555Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 480Y/277 Volts 3PH 4W 42 Cir Indoor Encl MLO HDL36150U33X P639, NewBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 480/277 Volts 3PH 4W Main LAP36400MB MCB Indoor Encl P670, NewBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 480/277 Volts 3PH 4W 42Cir MLO Indoor Encl MH74Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 480/277 Volts 3PH 4W 42Cir LAP36400MB MCB Indoor Encl P677, NewBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 480/277 Volts 3PH 4W 42Cir MLO Indoor Encl MH74Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 600Y/347 Volts 3PH 4W MLO 42 Circuit Main Lug Indoor Encl P330Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 600/347 Volts 3PH 4W MLO 54 Circuit Indoor Encl MH62 P564Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 600Y/347 Volts 3PH 4W MLO 42 Circuit Main Lug Indoor Encl P375Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 600/347 Volts 3PH 4W MLO 54 Circuit Main Lug Indoor Encl P570Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 400 Amp. Square D NF, Panelboard, 600Y/347 Volts 3PH 4W MLO 42 Cir Main Lug Indoor Encl P373Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square DJUST ADDED! 400 Amp. Square D NF442L4C, Panelboard, 600Y/347 VAC, 3ph, 4W, 42 Space, unusedOK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Panelboards (Switchboards)Seller: OK Sales IncLocation: Burlington, NC Mfr: Square DSquare D NF442L4C Panelboard Interior 400 Amp 600Y/347 VAC 3 Phase 4 Wire 42 SP, New unused uninstalled item condition. Minor cosmetic scratches and markings due to age and storage. Please review all photos and video carefully. The item shown is the exact unit you will receive. Sold as-is. Confirm compatibility and ...more 400 Amp. Square D #I-Line, Panelboard, 3 breaker, 1x MG300, 2x QD225Quantum Technology | Shippensburg, PA 484-74... (Show) 484-749-8600 Category: Panelboards (Switchboards)Seller: Quantum TechnologyLocation: Shippensburg, PA Mfr: Square D*Local Pickup Does Not Include any Palletization* '*Handling times for freight shipments average 5 days, but may vary depending on size, weight, location, and current trucking conditions. This does not include shipping time.*, Please be aware that item s are provided as-is without any warranties or guarantees of ...more 400 Amp. Square D, Series E1, I-Line panelboard, 4w, 277/480 Volts, 3 phaseEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 400 Amp. Square D, I-Line Panelboard, 277/480Y Volts 3 phase 4W, 42 space, type 1 enclosureOK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Panelboards (Switchboards)Seller: OK Sales IncLocation: Burlington, NC Mfr: Square DSquare D I-Line Panelboard 400A 480Y/277V 3 Phase 4W 42 Space Type 1 Enclosure, Brand: Square D Model: 12156831970010001Type: I-Line Panelboard 400 Amp 480Y/277V 3 Phase 4 Wire 42 Space Type 1 EnclosureCover: HC3273TSHRDimensions: 73" x 32" x 9".Featured 400 Amp. Square D panel enclosure with breakers. 5 x 125A Square D breakers 1 x 20A breakers. Other amp configurations availableAmplifiedag | Charleston, SC 843-76... (Show) 843-764-7193 Category: Panelboards (Switchboards)Seller: AmplifiedagLocation: Charleston, SC Mfr: Square DUsed equipment. In service for only 2 years. Good condition. Other amp configurations available. 450 Amp. Square D I-Line, Panelboard, 208/120 Volts 3PH 4W MCB 450 Amp Panel 24 Cir MGP36450Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 500 Amp. Square D I-Line, Panelboard, 208Y/120 Volts, w/ Main, Circuit Breakers, & Kirk KeysQuantum Technology | Shippensburg, PA 484-74... (Show) 484-749-8600 Category: Panelboards (Switchboards)Seller: Quantum TechnologyLocation: Shippensburg, PA Mfr: Square D*Local Pickup Does Not Include any Palletization* 500A Square D Panelboard 208Y\/120V, 3PH with Circuit Breakers, Panelboard, Cat No. 12388014820050001, 500A, 208Y\/120V, 3PH, w\/(1) 600A Circuit Breaker; (6) 100A Circuit Breaker, *Handling times for freight shipments average 5 days, but may vary depending on size ...more 500 Amp. Square D NQOD, Panelboard, 208/120 Volts 3PH 4W 42 Cir Indoor Encl MCB MAP36500 P629Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D #12409330630010001, 600 VAC, 3PH, 3-Wire Panelboard, Nema 4XLenmark Industries | Langley, BC 778-65... (Show) 778-653-5801 Category: Panelboards (Switchboards)Seller: Lenmark IndustriesLocation: Langley, BC Mfr: Square DSKU: 142332, Model: 12409330630010001, Condition: Used, Amps: 600 amps, Voltage: 600 volts, # of Circuits: 42, Enclosure Type: Nema 4X, Phase: 3-phase, Dimensions: 20.00 (H) x 35.00 (W) x 84.00 (L) inches, Additional :, Breakers: 600 Volt, 175 Amp 3 Pole JLA36175YP x 6. 600 Amp. Square D, E1, I-line, Panelboard, 600 VAC, HCM-3691-6M, 5 breakersEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 600 Amp. Square D, HCM 3691-6M, I-Line panelboard, 600 VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 600 Amp. Square D, HCM 44-0890575, I-Line panelboard, 4 wire, 120/208 VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 600 Amp. Square D, HCM 44-0890575, I-Line panelboard, 4 wire, 120/208 VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 600 Amp. Square D, HCW 12-2402624A0, I-Line panelboard, 4 wire, 277/480Y VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 600 Amp. Square D, I-line, Panelboard, 480Y/277 Volts, 4 W, 3 phase, HCW 12-2402624FO, 9 breakerEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 600 Amp. Square D, i-Line, HCM73TSD panelboard, 600 V.AC, 250 V.DCDH Griffin | Greensboro, NC 336-90... (Show) 336-906-6109 Category: Panelboards (Switchboards)Seller: DH GriffinLocation: Greensboro, NC Mfr: Square D 600 Amp. Square D #HCP, I-Line Interior Panelboard Enclosure, 208Y/120 VAC, SPST, Stainless Steel 3R, NO DOOR, unusedOK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Panelboards (Switchboards)Seller: OK Sales IncLocation: Burlington, NC Mfr: Square DSquare D HCP I-Line Interior Panelboard Enclosure 600 Amp 208Y/120 VAC 3PH 4W, Brand: Square DMPN: 44423072700010001HCP I-Line Interior Panelboard Enclosure600 Amp208Y/120 VAC3 Phase4 WireBox MPN: HC4286BD66 Space, No Door. Empty, unused, uninstalled panelboard. Breakers were removed. Check pictures/video as the Item ...more 600 Amp. Square D, Panelboard, 120/208Y Volts, 600A 700A NF Panelboard Loaded NEW 14 Breakers InstalledQuantum Technology | Shippensburg, PA 484-74... (Show) 484-749-8600 Category: Panelboards (Switchboards)Seller: Quantum TechnologyLocation: Shippensburg, PA Mfr: Square D*Local Pickup Does Not Include any Palletization* '*Handling times for freight shipments average 5 days, but may vary depending on size, weight, location, and current trucking conditions. This does not include shipping time.*, Item Dimensions - L X W X H - 26X9X62, 4 20a, 5 25a, 2 40a, 3 60a, Step up your ...more 600 Amp. Square D NQ, Panelboard, 208Y/120 Volts 3PH 4W 42 Cir LGP36600U31X MCB Indoor Encl P672, NewBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D NQ, Panelboard, 208Y/120 Volts 3PH 42 Cir LGP36600U31X MCB Indoor Encl P675, NewBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D NQOB-98201-948, Panelboard, 120/240 Volts, 3Ph, 4W, Type NQOB, Nema Type 1OK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Panelboards (Switchboards)Seller: OK Sales IncLocation: Burlington, NC Mfr: Square DSquare D NQOB-98201-948 Panel Board 600A 120/240V 3Ph 4W Type NQOB Nema Type 1, Brand: Square DModel: NQOB-98201-948Type: NQOB Panel Board W/ MH74, MDC74TSAmps: 600AVolts: 120/240VPhase: 3Wire: 3 or 4: Nema Type 1 Enclosure Breakers: Square D QO series 3P and 1P 60A 30A and 20A, Check pictures/video as the Item ...more 600 Amp. Square D I-Line, Panelboard, 480/277 Volts 3PH 4W 66 Circuit Indoor Encl MLO P562Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D NF, Panelboard, 480Y/277 Volts 3PH 4W 42 Cir Indoor Encl MCB LGP36600U31X P608Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D NF, Panelboard, 480/277 Volts 3PH 4W 54 Circuit Main Lug MLO Indoor Encl P572Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D NF, Panelboard, 480Y/277 Volts 3PH 4W MLO 54 Circuit Main Lug Indoor Encl P560Brilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 600 Amp. Square D I-Line, Panelboard, 480/277 Volts 3PH 4W 48Space MCB MAP36600 Indoor Encl HC3291BBrilliant Equipment Services | Burlington, NC 336-89... (Show) 336-895-1371 Category: Panelboards (Switchboards)Seller: Brilliant Equipment ServicesLocation: Burlington, NC Mfr: Square D 700 Amp. Square D #I-Line, Panelboard, 208/120 VAC, 3 phase, 4 wire, #12241127970010001Quantum Technology | Shippensburg, PA 484-74... (Show) 484-749-8600 Category: Panelboards (Switchboards)Seller: Quantum TechnologyLocation: Shippensburg, PA Mfr: Square D*Local Pickup Does Not Include any Palletization* '*Handling times for freight shipments average 5 days, but may vary depending on size, weight, location, and current trucking conditions. This does not include shipping time.*, Please be aware that item s are provided as-is without any warranties or guarantees of ...more 800 Amp. Square D, 1206105022, I-Line panelboard, 4 wire, 277/480 Y Volts, 3 phaseEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 800 Amp. Square D, 12173484730010001, I-Line panelboard, 4 wire, 277/480 Y VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 800 Amp. Square D, 12224482510100001, I-Line panelboard, 3 wire, 480 Volts, 3 phaseEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 800 Amp. Square D, 44-08905-75, I-Line panelboard, 4 wire, 277/480 VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 800 Amp. Square D, 44418682790010001, I-Line panelboard, 4 wire, 120/208Y VoltsEquipment Recovery Corp | Willoughby, OH 440-94... (Show) 440-942-3003 Category: Panelboards (Switchboards)Seller: Equipment Recovery CorpLocation: Willoughby, OH Mfr: Square D 800 Amp. Square D, HCJ, I-line panelboard, vertical, 3R enclosure, 120/208Y Volts 3 phase, 42 SpaceOK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Panelboards (Switchboards)Seller: OK Sales IncLocation: Burlington, NC Mfr: Square DSquare D HCJ I-Line Panelboard 800 AMP 208Y/120V 3 Phase 42 Space Type 3R, 5, 12, Brand: Square DModel: 44436282890010001Type: HCJ I-Line Panelboard 800 Amp 208Y/120V 3 Phase 42 Space Type 3R, 5, 12 EnclosureBox: HCJ3273WPDimensions: 33.14in W x 73in H x 11.75in D. Listings Per Page 50 Listings Per Page100 Listings Per Page Have One to Sell? Previous 50 Listings 1 2 3 4 Next 38 Listings View All Listings