LSP10 Surge Protection Modules

Littelfuse LSP10 Surge Protection Modules offer protection up to 20kA. The LSP10 is a thermally self-protected device specially designed for outdoor and commercial LED lighting fixtures for transient overvoltage protection. Using Littelfuse varistor technology, its built-in thermal disconnect function provides additional protection to prevent catastrophic failure and fire hazard even under the extreme circumstances of varistor end-of-life or sustaining overvoltage conditions. LSP10 Series connected option allows clear indication of thermal fault protection by disconnecting power to the luminaire.

Types of Circuit Protection

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Results: 25
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse LED Protection Devices 120V 10kA IP66 PARALLEL 309In Stock
$29.87
$27.48
$23.32
$19.10
$18.77
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices LSP THERMALLY PROTECTED VARISTOR 48In Stock
$28.73
$28.55
$20.37
$19.81
$19.07
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 277V 10kA IP66 PARALLEL 3,544In Stock
24On Order
$25.14
$23.26
$19.05
$17.43
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 277V 10kA IP66 Series 4,876In Stock
2,928Expected 3/18/2027
$25.23
$22.45
$19.92
$18.14
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 120V 10kA IP66 Series 497In Stock
$26.73
$26.56
$21.74
$21.65
$21.36
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 240V 10kA IP66 Series 122In Stock
$31.15
$25.92
$24.15
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 240V 10kA IP66 PARALLEL 622In Stock
$28.55
$28.39
$23.06
$21.00
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 240V 10kA IP66 Series 82In Stock
$34.13
$32.42
$28.74
$24.64
$24.15
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 480V 10kA IP66 PARALLEL 194In Stock
$26.03
$21.55
$19.23
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 240V 10kA IP66 PARALLEL 41In Stock
$28.65
$27.48
$26.40
$21.18
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 347V 10kA IP66 Series 6In Stock
$32.98
$32.24
$25.18
$24.15
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 480V 10kA IP66 Series 46In Stock
32Expected 11/3/2026
$31.15
$30.08
$24.21
$24.19
$24.15
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 480V 10kA IP66 Series 18In Stock
248On Order
$25.45
$25.38
$20.14
$20.11
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 347V 10kA IP66 PARALLEL 43In Stock
$26.23
$26.22
$21.37
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 240V 10kA IP66 Parallel Non-Stocked Lead-Time 19 Weeks
$21.63
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices THERMALLY PROTECTED VARISTOR Non-Stocked Lead-Time 19 Weeks
$21.63
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices 240V 10kA IP66 Series Non-Stocked Lead-Time 19 Weeks
$24.88
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices THERMALLY PROTECTED VARISTOR Non-Stocked Lead-Time 19 Weeks
$31.15
$27.12
$24.15
Min.: 1
Mult.: 1
Littelfuse LED Protection Devices 277V 10kA IP66 Parallel Non-Stocked Lead-Time 19 Weeks
$22.48
$22.11
$22.00
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices THERMALLY PROTECTED VARISTOR Non-Stocked Lead-Time 19 Weeks
$22.44
$22.09
$22.07
$21.97
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices 277V 10kA IP66 Series Non-Stocked Lead-Time 19 Weeks
$24.90
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices THERMALLY PROTECTED VARISTOR Non-Stocked Lead-Time 19 Weeks
$24.90
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices 480V 10kA IP66 PARALLEL Non-Stocked Lead-Time 19 Weeks
$21.00
Min.: 80
Mult.: 8
Littelfuse LED Protection Devices LSP THERMALLY PROTECTED VARISTOR Non-Stocked Lead-Time 19 Weeks
$27.34
$26.74
$19.77
$19.63
Min.: 1
Mult.: 1
Littelfuse Varistors Non-Stocked Lead-Time 17 Weeks