Shop Square D Circuit Breaker and Surge Protective Device

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$123.80
Square D - QO250PSPD QO Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
232
Free shipping
$123.80
Square D - QO250PSPD QO Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
232
$54.99
Square D By Schneider Electric Square D HEPD25 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 25Ka
Amazon.com
1K+
Free shipping
$54.99
Square D By Schneider Electric Square D HEPD25 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 25Ka
Amazon.com
1K+
$102.00
Square D - HOM250PSPD Homeline Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
346
Free shipping
$102.00
Square D - HOM250PSPD Homeline Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
346
$83.98
Square D QO Whole Home 25-Ka Indoor Surge Protective Device In Black | QO2175SB
Lowe's
38
$83.98
Square D QO Whole Home 25-Ka Indoor Surge Protective Device In Black | QO2175SB
Lowe's
38
$65.09
Square D 9080Gcb50 : Circuit Protector 250V 5A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$65.09
Square D 9080Gcb50 : Circuit Protector 250V 5A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$84.49
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker, Surge Protection Device, 25Ka, 120/240V, 1-Phase, 3-Wire
Amazon.com
537
Free shipping
$84.49
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker, Surge Protection Device, 25Ka, 120/240V, 1-Phase, 3-Wire
Amazon.com
537
$61.98
Square D 1 Phase Surge Protection Device, 120/240VAC
Amazon.com
201
Free shipping
$61.98
Square D 1 Phase Surge Protection Device, 120/240VAC
Amazon.com
201
$75.00
Square D By Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground For 120/240V, 50Ka, Black
Amazon.com
127
Free shipping
$75.00
Square D By Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground For 120/240V, 50Ka, Black
Amazon.com
127
$59.59
Square D 9080Gcb10 : Circuit Protector 250V 1A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$59.59
Square D 9080Gcb10 : Circuit Protector 250V 1A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$359.99
Square D EDB34070 3 Pole Circuit Breaker
SuperBreakers.com
10
$359.99
Square D EDB34070 3 Pole Circuit Breaker
SuperBreakers.com
10
$122.98
Square D QO Whole Home 50-Ka Indoor Surge Protective Device In Black | QO250PSPD
Lowe's
38
$122.98
Square D QO Whole Home 50-Ka Indoor Surge Protective Device In Black | QO250PSPD
Lowe's
38
$238.31
$257.92
SDSA3650 Square D Surgelogic Surge Protective Device
Standard Electric Supply Co.
3
$238.31
$257.92
SDSA3650 Square D Surgelogic Surge Protective Device
Standard Electric Supply Co.
3
$395.76
Square D HDL36040 3 Pole Circuit Breaker
SuperBreakers.com
2
$395.76
Square D HDL36040 3 Pole Circuit Breaker
SuperBreakers.com
2
$136.00
Square D Universal Whole Home 80-Ka Indoor And Outdoor Surge Protective Device In Black | HEPD80
Lowe's
1K+
$136.00
Square D Universal Whole Home 80-Ka Indoor And Outdoor Surge Protective Device In Black | HEPD80
Lowe's
1K+
$115.00
Square D HEPD80 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 80Ka
Amazon.com
1K+
Free shipping
$115.00
Square D HEPD80 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 80Ka
Amazon.com
1K+
$89.99
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker Surge Protective Device Takes 2 Load Center Spaces (Pack Of 1)
Amazon.com
6
Free shipping
$89.99
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker Surge Protective Device Takes 2 Load Center Spaces (Pack Of 1)
Amazon.com
6
$96.98
Square D Homeline Whole Home 25-Ka Indoor Surge Protective Device In Black | HOM2175SB
Lowe's
643
$96.98
Square D Homeline Whole Home 25-Ka Indoor Surge Protective Device In Black | HOM2175SB
Lowe's
643
$99.63
Square D - QO250GFICP QO 50-Amp Two-Pole GFCI Breaker
Amazon.com
118
Free shipping
$99.63
Square D - QO250GFICP QO 50-Amp Two-Pole GFCI Breaker
Amazon.com
118
$240.46
Square D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L, N-G)/600V (L-N)/700V (L-G) Model: HEPD80
Grainger
1K+
$240.46
Square D Surge Protection Device: Single Phase, 120/240V AC, 1000V (L-L, N-G)/600V (L-N)/700V (L-G) Model: HEPD80
Grainger
1K+
$227.34
Square D Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 150 V AC Model: QO2175SB
Grainger
153
$227.34
Square D Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 150 V AC Model: QO2175SB
Grainger
153
$58.40
$95.68
SDSA1175 Square D Surgelogic Surge Arrester
Standard Electric Supply Co.
37
38% off
$58.40
$95.68
SDSA1175 Square D Surgelogic Surge Arrester
Standard Electric Supply Co.
37
$12,996.14
$16,070.00
HL4IMA24C - Square D 3 Pole 60A 480Y/277V Surge Protection Device, HL4 Frame, 240Ka Surge Current, 200Ka SCCR, Type 2 SPD
Essential Electric Supply
19% off
$12,996.14
$16,070.00
HL4IMA24C - Square D 3 Pole 60A 480Y/277V Surge Protection Device, HL4 Frame, 240Ka Surge Current, 200Ka SCCR, Type 2 SPD
Essential Electric Supply
$49.99
Square D By Schneider Electric Square D - QO115CAFI QO15A Arc Fault Breaker, Black
Amazon.com
242
Free shipping
$49.99
Square D By Schneider Electric Square D - QO115CAFI QO15A Arc Fault Breaker, Black
Amazon.com
242
$157.88
$185.00
HEPD80 - Square D 80Ka Surge Protection Device, 120/240V, 2-Pole, Panelboard Mount, Type 1, Culus Listed, Whole Home SPD
Essential Electric Supply
1K+
14% off
$157.88
$185.00
HEPD80 - Square D 80Ka Surge Protection Device, 120/240V, 2-Pole, Panelboard Mount, Type 1, Culus Listed, Whole Home SPD
Essential Electric Supply
1K+
$99.99
Square D Circuit Protector: Track Mount, 5 A Current, Circuit Breaker, Black Model: 9080GCB50
Grainger
$99.99
Square D Circuit Protector: Track Mount, 5 A Current, Circuit Breaker, Black Model: 9080GCB50
Grainger
$114.81
Square D Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-N), 150 V AC, 4X Model: SDSA1175
Grainger
37
$114.81
Square D Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-N), 150 V AC, 4X Model: SDSA1175
Grainger
37
$109.95
Square D Sdsa1175t Surge Protection Device 36Ka 120 Vac 1 Phase 3 Wire 25Ka Sccr Nema 1
Lite Store USA
$109.95
Square D Sdsa1175t Surge Protection Device 36Ka 120 Vac 1 Phase 3 Wire 25Ka Sccr Nema 1
Lite Store USA
$2,709.81
Square D Surge Protection Device: Three Phase, 120/240V AC High Leg Delta, 150/270 V AC, Plastic, 4X Model: TVS3HWA10X
Grainger
$2,709.81
Square D Surge Protection Device: Three Phase, 120/240V AC High Leg Delta, 150/270 V AC, Plastic, 4X Model: TVS3HWA10X
Grainger
$228.78
$257.92
SDSA3650D Square D Surgelogic Surge Protective Device
Standard Electric Supply Co.
3
11% off
$228.78
$257.92
SDSA3650D Square D Surgelogic Surge Protective Device
Standard Electric Supply Co.
3
$129.00
Square D Homeline Whole Home 50-Ka Indoor And Outdoor Surge Protective Device In Black | HOM250PSPD
Lowe's
346
$129.00
Square D Homeline Whole Home 50-Ka Indoor And Outdoor Surge Protective Device In Black | HOM250PSPD
Lowe's
346
$193.99
Square D SDSA3650D Surge Protection Device, 600Vac Delta, 3Ph
Zoro.com
3
$193.99
Square D SDSA3650D Surge Protection Device, 600Vac Delta, 3Ph
Zoro.com
3
$69.99
Square D QO QO2175SB 25Ka 120/240V Surge Protective Device NEW
RES LLC Store Main
153
$69.99
Square D QO QO2175SB 25Ka 120/240V Surge Protective Device NEW
RES LLC Store Main
153
$158.50
Square D HOM2175SB Surge Protection Device
SuperBreakers.com
643
$158.50
Square D HOM2175SB Surge Protection Device
SuperBreakers.com
643
$63.89
Square D SDSA1175 Surge Protection Device, 120/240Vac, 1Ph
Zoro.com
37
$63.89
Square D SDSA1175 Surge Protection Device, 120/240Vac, 1Ph
Zoro.com
37
$235.82
Square D Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 150 V AC Model: HOM2175SB
Grainger
643
$235.82
Square D Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 150 V AC Model: HOM2175SB
Grainger
643
$66.98
Square D Universal Whole Home 25-Ka Indoor And Outdoor Surge Protective Device In Black | HEPD25
Lowe's
88
$66.98
Square D Universal Whole Home 25-Ka Indoor And Outdoor Surge Protective Device In Black | HEPD25
Lowe's
88
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Shop Square D Circuit Breaker and Surge Protective Device

Sponsored
About our ads
$123.80
Square D - QO250PSPD QO Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
232
Free shipping
$123.80
Square D - QO250PSPD QO Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
232
$54.99
Square D By Schneider Electric Square D HEPD25 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 25Ka
Amazon.com
1K+
Free shipping
$54.99
Square D By Schneider Electric Square D HEPD25 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 25Ka
Amazon.com
1K+
$102.00
Square D - HOM250PSPD Homeline Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
346
Free shipping
$102.00
Square D - HOM250PSPD Homeline Whole House Surge Protection Device, 50Ka, 120/240V, 1-Phase, No Wiring, Plug-On Neutral
Amazon.com
346
$83.98
Square D QO Whole Home 25-Ka Indoor Surge Protective Device In Black | QO2175SB
Lowe's
38
$83.98
Square D QO Whole Home 25-Ka Indoor Surge Protective Device In Black | QO2175SB
Lowe's
38
$65.09
Square D 9080Gcb50 : Circuit Protector 250V 5A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$65.09
Square D 9080Gcb50 : Circuit Protector 250V 5A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$84.49
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker, Surge Protection Device, 25Ka, 120/240V, 1-Phase, 3-Wire
Amazon.com
537
Free shipping
$84.49
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker, Surge Protection Device, 25Ka, 120/240V, 1-Phase, 3-Wire
Amazon.com
537
$61.98
Square D 1 Phase Surge Protection Device, 120/240VAC
Amazon.com
201
Free shipping
$61.98
Square D 1 Phase Surge Protection Device, 120/240VAC
Amazon.com
201
$75.00
Square D By Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground For 120/240V, 50Ka, Black
Amazon.com
127
Free shipping
$75.00
Square D By Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground For 120/240V, 50Ka, Black
Amazon.com
127
$59.59
Square D 9080Gcb10 : Circuit Protector 250V 1A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$59.59
Square D 9080Gcb10 : Circuit Protector 250V 1A Type Nema
New Feedonomics Feed - ARC 8/12/2025
$359.99
Square D EDB34070 3 Pole Circuit Breaker
SuperBreakers.com
10
$359.99
Square D EDB34070 3 Pole Circuit Breaker
SuperBreakers.com
10
$122.98
Square D QO Whole Home 50-Ka Indoor Surge Protective Device In Black | QO250PSPD
Lowe's
38
$122.98
Square D QO Whole Home 50-Ka Indoor Surge Protective Device In Black | QO250PSPD
Lowe's
38
$238.31
$257.92
SDSA3650 Square D Surgelogic Surge Protective Device
Standard Electric Supply Co.
3
$238.31
$257.92
SDSA3650 Square D Surgelogic Surge Protective Device
Standard Electric Supply Co.
3
$395.76
Square D HDL36040 3 Pole Circuit Breaker
SuperBreakers.com
2
$395.76
Square D HDL36040 3 Pole Circuit Breaker
SuperBreakers.com
2
$136.00
Square D Universal Whole Home 80-Ka Indoor And Outdoor Surge Protective Device In Black | HEPD80
Lowe's
1K+
$136.00
Square D Universal Whole Home 80-Ka Indoor And Outdoor Surge Protective Device In Black | HEPD80
Lowe's
1K+
$115.00
Square D HEPD80 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 80Ka
Amazon.com
1K+
Free shipping
$115.00
Square D HEPD80 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire For 120/240V, 80Ka
Amazon.com
1K+
$89.99
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker Surge Protective Device Takes 2 Load Center Spaces (Pack Of 1)
Amazon.com
6
Free shipping
$89.99
Square D By Schneider Electric HOM2175SB Homeline Surgebreaker Surge Protective Device Takes 2 Load Center Spaces (Pack Of 1)
Amazon.com
6
$96.98
Square D Homeline Whole Home 25-Ka Indoor Surge Protective Device In Black | HOM2175SB
Lowe's
643
$96.98
Square D Homeline Whole Home 25-Ka Indoor Surge Protective Device In Black | HOM2175SB
Lowe's
643
$99.63
Square D - QO250GFICP QO 50-Amp Two-Pole GFCI Breaker
Amazon.com
118
Free shipping
$99.63
Square D - QO250GFICP QO 50-Amp Two-Pole GFCI Breaker
Amazon.com
118