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$18.00
Surge Protector - 6 Outlet - ULINE
Uline
$18.00
Surge Protector - 6 Outlet - ULINE
Uline
$32.00
Surge Protector - 7 Outlet - ULINE
Uline
$32.00
Surge Protector - 7 Outlet - ULINE
Uline
$34.00
Deluxe Surge Protector - 7 Outlet - Woods
Uline
$34.00
Deluxe Surge Protector - 7 Outlet - Woods
Uline
$180.08
APC Back-UPS Pro 1000VA UPS, 600W Battery Backup & Surge Protector, AVR, 8 Outlets (NEMA 5-15R), LCD Display, bx1000m Uninterruptible Power Supply For
Amazon.com
4K+
Free shipping
$180.08
APC Back-UPS Pro 1000VA UPS, 600W Battery Backup & Surge Protector, AVR, 8 Outlets (NEMA 5-15R), LCD Display, bx1000m Uninterruptible Power Supply For
Amazon.com
$89.99
$132.99
APC Battery Back Up Surge Protector, 350VA Backup Battery Power Supply, BK350 Back-UPS
Amazon.com
305
Free shipping
32% off
$89.99
$132.99
APC Battery Back Up Surge Protector, 350VA Backup Battery Power Supply, BK350 Back-UPS
Amazon.com
$189.99
APC UPS Back-UPS Pro 1500VA UPS, 900W Battery Backup & Surge Protector, AVR, 10 Outlets (NEMA 5-15R), LCD, bx1500m Uninterruptible Power Supply For
Amazon.com
11K+
Free shipping
$189.99
APC UPS Back-UPS Pro 1500VA UPS, 900W Battery Backup & Surge Protector, AVR, 10 Outlets (NEMA 5-15R), LCD, bx1500m Uninterruptible Power Supply For
Amazon.com
$1,299.95
Furman Elite-20 Pfi 20-Amp Power Line Conditioner And Surge Protector
Crutchfield
6
$1,299.95
Furman Elite-20 Pfi 20-Amp Power Line Conditioner And Surge Protector
Crutchfield
$399.95
Furman Elite 15I (7-Outlet Edition) Power Line Conditioner And Surge Protector
Crutchfield
10
$399.95
Furman Elite 15I (7-Outlet Edition) Power Line Conditioner And Surge Protector
Crutchfield
$203.00
Power Surge Protective Device (SPD): 20 kA (PN# 908166)
Automation Direct
$203.00
Power Surge Protective Device (SPD): 20 kA (PN# 908166)
Automation Direct
$529.95
Audioquest Powerquest 303 Power Line Conditioner And Surge Protector
Crutchfield
5
$529.95
Audioquest Powerquest 303 Power Line Conditioner And Surge Protector
Crutchfield
$13.12
$29.15
GEYA GSP9 DC Surge Protector PV SPD 600V 1000V 20KA 40KA SPD 2P 3P Surge Protective Device Lightning
AliExpress
Free shipping
54% off
$13.12
$29.15
GEYA GSP9 DC Surge Protector PV SPD 600V 1000V 20KA 40KA SPD 2P 3P Surge Protective Device Lightning
AliExpress
$9.18
$17.82
3P 3.0KV Power Protector Arrester Device For Lightning Protector Arrester Device Protector
AliExpress
48% off
$9.18
$17.82
3P 3.0KV Power Protector Arrester Device For Lightning Protector Arrester Device Protector
AliExpress
$4.21
SPD DC 500V/600V/800V/1000V 2P 3P 4P 10KA 20KA 40KA 60KA House Power Surge Protector Protective
AliExpress
$4.21
SPD DC 500V/600V/800V/1000V 2P 3P 4P 10KA 20KA 40KA 60KA House Power Surge Protector Protective
AliExpress
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908348)
Automation Direct
1
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908348)
Automation Direct
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908347)
Automation Direct
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908347)
Automation Direct
$151.00
Siemens QSPD2A065P 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
284
$151.00
Siemens QSPD2A065P 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
$71.00
Siemens QSPD2A035B 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
54
$71.00
Siemens QSPD2A035B 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
$114.99
ART Pds8u 8 Outlet Surge Protector With USB 8-Outlet Power Block With 2 USB Ports, EMI/RF Filtering, Overload Protection, And 20' Power Cord
Sweetwater
2
$114.99
ART Pds8u 8 Outlet Surge Protector With USB 8-Outlet Power Block With 2 USB Ports, EMI/RF Filtering, Overload Protection, And 20' Power Cord
Sweetwater
$117.18
Whole House Surge Protector Rated For 36,000 Amps IP66 Waterproof For Indoor And Outdoor Protects AC Power Supplies
Home Depot
Free shipping
$117.18
Whole House Surge Protector Rated For 36,000 Amps IP66 Waterproof For Indoor And Outdoor Protects AC Power Supplies
Home Depot
$307.82
Mersen Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC Model: STP480D07
Grainger
1
$307.82
Mersen Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC Model: STP480D07
Grainger
$281.27
FS140 Whole House Surge Protector Rated For 140,000 Amps IP66 Waterproof For Indoor And Outdoor Use Siemens Electric Box
Home Depot
Free shipping
$281.27
FS140 Whole House Surge Protector Rated For 140,000 Amps IP66 Waterproof For Indoor And Outdoor Use Siemens Electric Box
Home Depot
$265.99
MERSEN Surge Protection Device, 3 Phase, 480V AC, 3 Poles, 4 Wires, STP480D07
Zoro.com
1
$265.99
MERSEN Surge Protection Device, 3 Phase, 480V AC, 3 Poles, 4 Wires, STP480D07
Zoro.com
$241.00
Legrand Wiremold R5BZ20-15 Surge Protector, 6 Outlets, 36Ka, 120V | Power Outlet Strips - With Surge Protection
Newark
1
$241.00
Legrand Wiremold R5BZ20-15 Surge Protector, 6 Outlets, 36Ka, 120V | Power Outlet Strips - With Surge Protection
Newark
$15,660.00
Schneider Electric HL4IMA24C1 Surge Protection Device
SuperBreakers.com
$15,660.00
Schneider Electric HL4IMA24C1 Surge Protection Device
SuperBreakers.com
$355.10
Mersen Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 175/350 V AC Model: stp240s07m
Grainger
$355.10
Mersen Surge Protection Device: Single Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 175/350 V AC Model: stp240s07m
Grainger
$468.29
Eaton Surge Protection Device: Three Phase, 277/480V AC Wye, 1200V (L-N)/2000V (L-L), 277/480 V Model: SP1-480Y
Grainger
$468.29
Eaton Surge Protection Device: Three Phase, 277/480V AC Wye, 1200V (L-N)/2000V (L-L), 277/480 V Model: SP1-480Y
Grainger
$77.33
10-Outlets Heavy Duty Power Strip Metal Surge Protector With 15 Amps 15-Foot Yellow Power Cord 2800 Joules For Garden
Home Depot
Free shipping
$77.33
10-Outlets Heavy Duty Power Strip Metal Surge Protector With 15 Amps 15-Foot Yellow Power Cord 2800 Joules For Garden
Home Depot
$472.08
Hughes 50 Amp Power Watchdog Surge Protector With Auto Shutoff Portable PWD50-EPO
PartsWarehouse.com
$472.08
Hughes 50 Amp Power Watchdog Surge Protector With Auto Shutoff Portable PWD50-EPO
PartsWarehouse.com
$376.16
Hughes 30 Amp Power Watchdog Surge Protector With Auto Shutoff Hardwired PWD30-EPO-H
PartsWarehouse.com
$376.16
Hughes 30 Amp Power Watchdog Surge Protector With Auto Shutoff Hardwired PWD30-EPO-H
PartsWarehouse.com
$35.99
4ft 6 Outlet Surge Protector With ENI/RFI Filter 750J 120V 15A
CablesAndKits.com
$35.99
4ft 6 Outlet Surge Protector With ENI/RFI Filter 750J 120V 15A
CablesAndKits.com
$140.99
SQUARE D Surge Protection Device, 1 Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 900 J, NEMA 2, HOM2175SB
Zoro.com
250
$140.99
SQUARE D Surge Protection Device, 1 Phase, 120/240V AC, 2 Poles, 3 Wires, L-L/L-N, 900 J, NEMA 2, HOM2175SB
Zoro.com
$2,262.00
Square D MA4IMA241 Surge Protection Device
SuperBreakers.com
$2,262.00
Square D MA4IMA241 Surge Protection Device
SuperBreakers.com
$188.40
$2,497.81
CHSPT2ULTRA - Eaton 50A 120/240V 2-Pole Surge Protection Device NEMA 4
Essential Electric Supply
2K+
92% off
$188.40
$2,497.81
CHSPT2ULTRA - Eaton 50A 120/240V 2-Pole Surge Protection Device NEMA 4
Essential Electric Supply
$75.54
DITEK DTK-120HW Surge Protective Device Power 120VAC
Voomi Supply
$75.54
DITEK DTK-120HW Surge Protective Device Power 120VAC
Voomi Supply
$79.99
ART PB 4X4 Rackmount 8 Outlet Power Conditioner & Surge Protector 8-Outlet Power Conditioner With EMI/RF Filtering, Overload Protection, And
Sweetwater
5
$79.99
ART PB 4X4 Rackmount 8 Outlet Power Conditioner & Surge Protector 8-Outlet Power Conditioner With EMI/RF Filtering, Overload Protection, And
Sweetwater
$307.76
$369.99
Hughes Autoformers 50 Amp Hughes Autoformer Power Watchdog Bluetooth Smart RV Surge Protector With Automatic Shut Off (Emergency Power Off) In Black | Camping World
Camping World
5
Free shipping
16% off
$307.76
$369.99
Hughes Autoformers 50 Amp Hughes Autoformer Power Watchdog Bluetooth Smart RV Surge Protector With Automatic Shut Off (Emergency Power Off) In Black | Camping World
Camping World
What is a Surge Protection Device (SPD)? and How Do They Work?
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Shop power protection

Sponsored
About our ads
$18.00
Surge Protector - 6 Outlet - ULINE
Uline
$18.00
Surge Protector - 6 Outlet - ULINE
Uline
$32.00
Surge Protector - 7 Outlet - ULINE
Uline
$32.00
Surge Protector - 7 Outlet - ULINE
Uline
$34.00
Deluxe Surge Protector - 7 Outlet - Woods
Uline
$34.00
Deluxe Surge Protector - 7 Outlet - Woods
Uline
$180.08
APC Back-UPS Pro 1000VA UPS, 600W Battery Backup & Surge Protector, AVR, 8 Outlets (NEMA 5-15R), LCD Display, bx1000m Uninterruptible Power Supply For
Amazon.com
4K+
Free shipping
$180.08
APC Back-UPS Pro 1000VA UPS, 600W Battery Backup & Surge Protector, AVR, 8 Outlets (NEMA 5-15R), LCD Display, bx1000m Uninterruptible Power Supply For
Amazon.com
$89.99
$132.99
APC Battery Back Up Surge Protector, 350VA Backup Battery Power Supply, BK350 Back-UPS
Amazon.com
305
Free shipping
32% off
$89.99
$132.99
APC Battery Back Up Surge Protector, 350VA Backup Battery Power Supply, BK350 Back-UPS
Amazon.com
$189.99
APC UPS Back-UPS Pro 1500VA UPS, 900W Battery Backup & Surge Protector, AVR, 10 Outlets (NEMA 5-15R), LCD, bx1500m Uninterruptible Power Supply For
Amazon.com
11K+
Free shipping
$189.99
APC UPS Back-UPS Pro 1500VA UPS, 900W Battery Backup & Surge Protector, AVR, 10 Outlets (NEMA 5-15R), LCD, bx1500m Uninterruptible Power Supply For
Amazon.com
$1,299.95
Furman Elite-20 Pfi 20-Amp Power Line Conditioner And Surge Protector
Crutchfield
6
$1,299.95
Furman Elite-20 Pfi 20-Amp Power Line Conditioner And Surge Protector
Crutchfield
$399.95
Furman Elite 15I (7-Outlet Edition) Power Line Conditioner And Surge Protector
Crutchfield
10
$399.95
Furman Elite 15I (7-Outlet Edition) Power Line Conditioner And Surge Protector
Crutchfield
$203.00
Power Surge Protective Device (SPD): 20 kA (PN# 908166)
Automation Direct
$203.00
Power Surge Protective Device (SPD): 20 kA (PN# 908166)
Automation Direct
$529.95
Audioquest Powerquest 303 Power Line Conditioner And Surge Protector
Crutchfield
5
$529.95
Audioquest Powerquest 303 Power Line Conditioner And Surge Protector
Crutchfield
$13.12
$29.15
GEYA GSP9 DC Surge Protector PV SPD 600V 1000V 20KA 40KA SPD 2P 3P Surge Protective Device Lightning
AliExpress
Free shipping
54% off
$13.12
$29.15
GEYA GSP9 DC Surge Protector PV SPD 600V 1000V 20KA 40KA SPD 2P 3P Surge Protective Device Lightning
AliExpress
$9.18
$17.82
3P 3.0KV Power Protector Arrester Device For Lightning Protector Arrester Device Protector
AliExpress
48% off
$9.18
$17.82
3P 3.0KV Power Protector Arrester Device For Lightning Protector Arrester Device Protector
AliExpress
$4.21
SPD DC 500V/600V/800V/1000V 2P 3P 4P 10KA 20KA 40KA 60KA House Power Surge Protector Protective
AliExpress
$4.21
SPD DC 500V/600V/800V/1000V 2P 3P 4P 10KA 20KA 40KA 60KA House Power Surge Protector Protective
AliExpress
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908348)
Automation Direct
1
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908348)
Automation Direct
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908347)
Automation Direct
$237.00
Power Surge Protective Device (SPD): 20 kA (PN# 908347)
Automation Direct
$151.00
Siemens QSPD2A065P 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
284
$151.00
Siemens QSPD2A065P 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
$71.00
Siemens QSPD2A035B 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
54
$71.00
Siemens QSPD2A035B 120/240V 1-Phase 3-Wire Surge Protector Device BY BUYRITE ELECTRIC
BuyRite Electric
$114.99
ART Pds8u 8 Outlet Surge Protector With USB 8-Outlet Power Block With 2 USB Ports, EMI/RF Filtering, Overload Protection, And 20' Power Cord
Sweetwater
2
$114.99
ART Pds8u 8 Outlet Surge Protector With USB 8-Outlet Power Block With 2 USB Ports, EMI/RF Filtering, Overload Protection, And 20' Power Cord
Sweetwater