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Disconnects

Industrial-Grade Disconnects for Safe Power Isolation

Shop dependable disconnect switches designed to safely isolate electrical equipment during maintenance or emergencies. We offer fused and non-fused safety disconnects from trusted brands like Square D, Cutler-Hammer, and Eaton—available in a range of voltage and amperage options.

Perfect for commercial, industrial, and heavy-duty applications, our selection includes both indoor and outdoor models built for durability and code compliance. Each unit is inspected and tested to ensure long-lasting performance.

Need help finding the right disconnect for your system? Our experts are ready to assist with fast, accurate support.

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Square D NF Panelboard 250A 600Y/347V 3PH 4W Main Lug MLO Indoor Encl 42 Circuit P334 Used

Square D NF Panelboard 250A 600Y/347V 3PH 4W Main Lug MLO Indoor Encl 42 Circuit P334 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600Y/347V 3PH 4WIndoor Encl Main Lug MLO 42 Circuit P333 Used

Square D NF Panelboard 250A 600Y/347V 3PH 4WIndoor Encl Main Lug MLO 42 Circuit P333 Used

$1,200.00

$1,200.00

Square D NF Panelboard 400A 600Y/347V 3PH 4W MLO 42 Circuit Main Lug Indoor Encl P330 Used

Square D NF Panelboard 400A 600Y/347V 3PH 4W MLO 42 Circuit Main Lug Indoor Encl P330 Used

$2,500.00

$2,500.00

Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug 42 Circuit MLO P328 Used

Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug 42 Circuit MLO P328 Used

$1,200.00

$1,200.00

Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir MCB 3R Outdoor Encl P636 Used

Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir MCB 3R Outdoor Encl P636 Used

$1,400.00

$1,400.00

Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir 3R Outdoor Encl MCB P635 Used

Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir 3R Outdoor Encl MCB P635 Used

$1,400.00

$1,400.00

Square D NF Panelboard 400A 480/277V 3PH 4W Main LAP36400MT W/ JDL36200 30 Cir P555 Used

Square D NF Panelboard 400A 480/277V 3PH 4W Main LAP36400MT W/ JDL36200 30 Cir P555 Used

$4,200.00

$4,200.00

Square D MEF36150LSG Used

Square D MEF36150LSG Used

$3,500.00

$3,500.00

Square D NF442L2 Panelboard 250A 600Y/347V 3PH 4W 42 Circuit Indoor Encl MLO P349 Used

Square D NF442L2 Panelboard 250A 600Y/347V 3PH 4W 42 Circuit Indoor Encl MLO P349 Used

$1,200.00

$1,200.00

Square D NF430L2C NF Panelboard 250A 600Y/347V 3PH 4W 30 Circuit Indoor Encl MLO P468 Used

Square D NF430L2C NF Panelboard 250A 600Y/347V 3PH 4W 30 Circuit Indoor Encl MLO P468 Used

$1,200.00

$1,200.00

Square D NF430L2 NF Panelboard 250A 600Y/347V 3PH 4W 30 Cir Main JDL36150 MCB P274 Used

Square D NF430L2 NF Panelboard 250A 600Y/347V 3PH 4W 30 Cir Main JDL36150 MCB P274 Used

$1,800.00

$1,800.00

Square D NF NF430L2 Panelboard 225A 600Y/347V 3PH 4W 225 Amp MCB Main JDL36225 P273 Used

Square D NF NF430L2 Panelboard 225A 600Y/347V 3PH 4W 225 Amp MCB Main JDL36225 P273 Used

$2,000.00

$2,000.00

Square D NF442L4C NF Panelboard 400A 600Y/347V 3PH 4W 42 Cir Indoor Encl MLO P657 New

Square D NF442L4C NF Panelboard 400A 600Y/347V 3PH 4W 42 Cir Indoor Encl MLO P657 New

$4,000.00

$4,000.00

Square D NF412L1C NF Panelboard 125A 600V 3PH 4W 12 Circuit MLO 125 Amp Main Lug P504 Used

Square D NF412L1C NF Panelboard 125A 600V 3PH 4W 12 Circuit MLO 125 Amp Main Lug P504 Used

$850.00

$850.00

Square D NF21SRBG3 New

Square D NF21SRBG3 New

$600.00

$600.00

Square D NF Panelboard 125A 480Y/277V 3PH 4W 42 Cir Indoor Encl MLO 125 Amp MH38 P645 Used

Square D NF Panelboard 125A 480Y/277V 3PH 4W 42 Cir Indoor Encl MLO 125 Amp MH38 P645 Used

$1,200.00

$1,200.00

Square D NF Panelboard 150A 480/277V 3PH 4W 30 Circuit Indoor Encl MCB KAL36100 P628 Used

Square D NF Panelboard 150A 480/277V 3PH 4W 30 Circuit Indoor Encl MCB KAL36100 P628 Used

$2,000.00

$2,000.00

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Circuit Box MH44 250 Amp P408 Used

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Circuit Box MH44 250 Amp P408 Used

$1,000.00

$1,000.00

Square D NF Panelboard 250A 600/347V 3PH 4W 42 Circuit Box MH44 250 Amp 240V P402 Used

Square D NF Panelboard 250A 600/347V 3PH 4W 42 Circuit Box MH44 250 Amp 240V P402 Used

$1,000.00

$1,000.00

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Circuit 250 Amp MH44 P401 Used

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Circuit 250 Amp MH44 P401 Used

$1,000.00

$1,000.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor NEMA 1 P386 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor NEMA 1 P386 Used

$1,200.00

$1,200.00

Square D NF MLO Panelboard 250A 600V 3PH 4W 42 Cir Main Lug Panel Indoor Encl P384 Used

Square D NF MLO Panelboard 250A 600V 3PH 4W 42 Cir Main Lug Panel Indoor Encl P384 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor NEMA 1 P382 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor NEMA 1 P382 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor Encl P379 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor Encl P379 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Main Lug Panel Indoor Encl MLO P378 Used

Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Main Lug Panel Indoor Encl MLO P378 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Indoor Encl Main Lug Panel MLO P376 Used

Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Indoor Encl Main Lug Panel MLO P376 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor 250Amp NEMA 1 P370 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor 250Amp NEMA 1 P370 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor NEMA 1 250Amp P368 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor NEMA 1 250Amp P368 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W Main Lug Panel Indoor Encl 42 Circuit P363 Used

Square D NF Panelboard 250A 600V 3PH 4W Main Lug Panel Indoor Encl 42 Circuit P363 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor 250Amp NEMA 1 P362 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor 250Amp NEMA 1 P362 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor NEMA 1 P360 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel Indoor NEMA 1 P360 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor 250Amp NEMA 1 P327 Used

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor 250Amp NEMA 1 P327 Used

$1,200.00

$1,200.00

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Cir Box MH44 Indoor P318 Used

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Cir Box MH44 Indoor P318 Used

$1,000.00

$1,000.00

Square D NF Panelboard 100A 480/277V 3PH 4W 42 Circuit Indoor Encl MCB HDP36100 P005 New

Square D NF Panelboard 100A 480/277V 3PH 4W 42 Circuit Indoor Encl MCB HDP36100 P005 New

$2,000.00

$2,000.00

Square D NF Panelboard 250A 600V 3PH 3W 42 Circuit Indoor Encl MCB KAL36200 Main P004 Used

Square D NF Panelboard 250A 600V 3PH 3W 42 Circuit Indoor Encl MCB KAL36200 Main P004 Used

$2,500.00

$2,500.00

Square D NEHB Panelboard 225A 480/277V 3PH 4W Indoor Encl 42 Cir Main Lug MLO P654 Used

Square D NEHB Panelboard 225A 480/277V 3PH 4W Indoor Encl 42 Cir Main Lug MLO P654 Used

$1,200.00

$1,200.00

Square D NEHB Panelboard 125A 480Y/277V 3PH 4W Indoor Encl 18 Cir MLO Main Lug P482 Used

Square D NEHB Panelboard 125A 480Y/277V 3PH 4W Indoor Encl 18 Cir MLO Main Lug P482 Used

$1,200.00

$1,200.00

Square D NEHB Panelboard 80A 480Y/277V 3PH 4W Indoor Encl 18 Cir MCB FAL34080 P465 Used

Square D NEHB Panelboard 80A 480Y/277V 3PH 4W Indoor Encl 18 Cir MCB FAL34080 P465 Used

$1,600.00

$1,600.00

Square D NEHB Panelboard 225A 480/277V 3PH 4W Indoor Encl 42 Cir MLO Main Lug P109 Used

Square D NEHB Panelboard 225A 480/277V 3PH 4W Indoor Encl 42 Cir MLO Main Lug P109 Used

$1,100.00

$1,100.00

Square D NEHB Panelboard 100A 277/480V 3PH 4W Indoor Encl 30 Cir MLO Main Lug P001 Used

Square D NEHB Panelboard 100A 277/480V 3PH 4W Indoor Encl 30 Cir MLO Main Lug P001 Used

$1,100.00

$1,100.00

Square D NA361200 Used

Square D NA361200 Used

$4,000.00

$4,000.00

Square D NA361000 Used

Square D NA361000 Used

$4,000.00

$4,000.00

Square D MX36800G Used

Square D MX36800G Used

$4,100.00

$4,100.00

Square D MJL36600 Used

Square D MJL36600 Used

$2,980.00

$2,980.00

Square D MJA36800LH New

Square D MJA36800LH New

$6,700.00

$6,700.00

Square D MJA36800 Used

Square D MJA36800 Used

$3,365.00

$3,365.00

Square D MJA36600 Used

Square D MJA36600 Used

$3,280.00

$3,280.00

Square D MJA36500 Used

Square D MJA36500 Used

$3,565.00

$3,565.00

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