Lightning Surge Protection (LSP) Modules

Littelfuse Lightning Surge Surge Protection Modules (LSP) are the industry's first series connected, 20kA capable indicating surge arrestors for outdoor lighting applications. The LSP Modules are self-protected devices that can be used in outdoor and commercial LED lighting fixtures for transient overvoltage protection. LSP10 can provide up to 20kA protection module maximum lighting surge current and LSP05 provides up to 10kA. These Littelfuse devices are constructed with Littelfuse thermally protected varistor technology. The built-in thermal disconnect provides additional protection against catastrophic failure/fire hazard under varistor end-of-life or sustained overvoltage conditions. The LSP product series facilitates surge immunity compliance to IEEE C62.41.2 Location Category C High Exposure, ANSI C136.2, and US Dept of Energy MSSLC Model Spec.

Results: 131
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Breakdown Voltage On-State Voltage IP Rating Package / Case Packaging
Littelfuse LED Protection Devices 277V 10kA IP66 rated 880In Stock
Min.: 1
Mult.: 1
LSP10GIHP Module Bulk
Littelfuse LED Protection Devices 120V 10kA IP66 Series 706In Stock
Min.: 1
Mult.: 1

LSP10 120 V IP66 Module Bulk
Littelfuse LED Protection Devices LSP THERM PROTECTD VARISTOR 114In Stock
Min.: 1
Mult.: 1

LSP10GI Module Bulk
Littelfuse LED Protection Devices 347V 10kA IP66 Series 22In Stock
Min.: 1
Mult.: 1

LSP10 IP66 Module Bulk
Littelfuse LED Protection Devices 277V 5kA PARALLEL CXN 168In Stock
Min.: 1
Mult.: 1

LSP05G Module Bulk
Littelfuse LED Protection Devices 277V 5kA Series Connection 154In Stock
Min.: 1
Mult.: 1

LSP05G Module Bulk
Littelfuse LED Protection Devices 240V 5kA PARALLEL CXN 162In Stock
Min.: 1
Mult.: 1

LSP05G Module Bulk
Littelfuse LED Protection Devices 277V 10kA IP66 Series 3,165In Stock
1,352Expected 2026-05-25
Min.: 1
Mult.: 1

LSP10 277 V IP66 Module Bulk
Littelfuse LED Protection Devices 120V 5kA IP66 Parallel 244In Stock
Min.: 1
Mult.: 1

LSP05 IP66 Module Bulk
Littelfuse LED Protection Devices 277V 5kA PARL CONN IEC/EN61643-11 IP66 402In Stock
Min.: 1
Mult.: 1

LSP05GI Module Bulk
Littelfuse LED Protection Devices 120V 10kA IP66 PARALLEL 209In Stock
128Expected 2026-06-01
Min.: 1
Mult.: 1

LSP10 IP66 Module Bulk
Littelfuse LED Protection Devices 240V 10kA IP66 Series 186In Stock
Min.: 1
Mult.: 1

LSP10 IP66 Module Bulk
Littelfuse LED Protection Devices 240V 10kA IP66 PARALLEL 800In Stock
Min.: 1
Mult.: 1

LSP10 IP66 Module Bulk
Littelfuse LED Protection Devices 240V 10kA IP66 Series 125In Stock
Min.: 1
Mult.: 1

LSP10 240 V IP66 Module Bulk
Littelfuse LED Protection Devices 277V 10kA IP66 PARALLEL 474In Stock
232Expected 2026-06-15
Min.: 1
Mult.: 1

LSP10 IP66 Module Bulk
Littelfuse LED Protection Devices 480V 10kA IP66 Series 126In Stock
Min.: 1
Mult.: 1

LSP10 480 V IP66 Module Bulk
Littelfuse LED Protection Devices 480V 10kA IP66 rated 210In Stock
Min.: 1
Mult.: 1

LSP10GIHP Module Bulk
Littelfuse LED Protection Devices 240V 5kA IP66 Parallel 115In Stock
Min.: 1
Mult.: 1

LSP05 IP66 Module Bulk
Littelfuse LED Protection Devices 277V 5kA IP66 Parallel 55In Stock
Min.: 1
Mult.: 1

LSP05 IP66 Module Bulk
Littelfuse LED Protection Devices 480V 5kA IP66 Parallel 55In Stock
Min.: 1
Mult.: 1

LSP05 IP66 Module Bulk
Littelfuse LED Protection Devices 240V 5kA Parallel Connection 312In Stock
Min.: 1
Mult.: 1

LSP05G Module Bulk
Littelfuse LED Protection Devices 240V 5kA Series Connection 27In Stock
Min.: 1
Mult.: 1

LSP05G Module Bulk
Littelfuse LED Protection Devices 277V 5kA SERIES CXN 149In Stock
150Expected 2026-06-16
Min.: 1
Mult.: 1

LSP05G Module Bulk
Littelfuse LED Protection Devices LSP THERMALLY PROTECTED 15In Stock
Min.: 1
Mult.: 1

LSP05G IP66 Module Bulk
Littelfuse LED Protection Devices 240V 5kA SERIES CONN IEC/EN61643-11 IP66 11In Stock
Min.: 1
Mult.: 1

LSP05GI Module Bulk