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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
LED Protection Devices 120V 10kA IP66 PARALLEL LSP10120P Littelfuse 1: S/ 89.45 309In Stock	Mfr. Part # LSP10120P Mouser Part # 576-LSP10120P	Littelfuse	LED Protection Devices 120V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	309In Stock	S/ 89.45 S/ 82.29 S/ 69.83 S/ 57.18 S/ 56.21	Min.: 1 Mult.: 1
LED Protection Devices LSP THERMALLY PROTECTED VARISTOR LSP10GI277S Littelfuse 1: S/ 86.02 48In Stock	Mfr. Part # LSP10GI277S Mouser Part # 576-LSP10GI277S	Littelfuse	LED Protection Devices LSP THERMALLY PROTECTED VARISTOR Learn More about Littelfuse LSP10 modules	Datasheet	48In Stock	S/ 86.02 S/ 85.48 S/ 61.00 S/ 59.32 S/ 57.10	Min.: 1 Mult.: 1
LED Protection Devices 277V 10kA IP66 PARALLEL LSP10277P Littelfuse 1: S/ 75.28 3,544In Stock 24On Order	Mfr. Part # LSP10277P Mouser Part # 576-LSP10277P	Littelfuse	LED Protection Devices 277V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	3,544In Stock 24On Order	S/ 75.28 S/ 69.64 S/ 57.03 S/ 52.20	Min.: 1 Mult.: 1
LED Protection Devices 277V 10kA IP66 Series LSP10277S Littelfuse 1: S/ 75.55 4,876In Stock 2,928Expected 3/18/2027	Mfr. Part # LSP10277S Mouser Part # 576-LSP10277S	Littelfuse	LED Protection Devices 277V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	4,876In Stock 2,928Expected 3/18/2027	S/ 75.55 S/ 67.22 S/ 59.63 S/ 54.30 View S/ 54.18 S/ 53.99 S/ 53.95 S/ 53.33	Min.: 1 Mult.: 1
LED Protection Devices 120V 10kA IP66 Series LSP10120S Littelfuse 1: S/ 80.03 497In Stock	Mfr. Part # LSP10120S Mouser Part # 576-LSP10120S	Littelfuse	LED Protection Devices 120V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	497In Stock	S/ 80.03 S/ 79.52 S/ 65.08 S/ 64.81 S/ 63.95	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 Series LSP10240LLS Littelfuse 1: S/ 93.26 122In Stock	Mfr. Part # LSP10240LLS Mouser Part # 576-LSP10240LLS	Littelfuse	LED Protection Devices 240V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	122In Stock	S/ 93.26 S/ 77.62 S/ 72.32	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 PARALLEL LSP10240P Littelfuse 1: S/ 85.48 622In Stock	Mfr. Part # LSP10240P Mouser Part # 576-LSP10240P	Littelfuse	LED Protection Devices 240V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	622In Stock	S/ 85.48 S/ 85.01 S/ 69.05 S/ 62.86	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 Series LSP10240S Littelfuse 1: S/ 102.18 82In Stock	Mfr. Part # LSP10240S Mouser Part # 576-LSP10240S	Littelfuse	LED Protection Devices 240V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	82In Stock	S/ 102.18 S/ 97.08 S/ 86.06 S/ 73.76 S/ 72.32	Min.: 1 Mult.: 1
LED Protection Devices 480V 10kA IP66 PARALLEL LSP10480P Littelfuse 1: S/ 77.93 194In Stock	Mfr. Part # LSP10480P Mouser Part # 576-LSP10480P	Littelfuse	LED Protection Devices 480V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	194In Stock	S/ 77.93 S/ 64.54 S/ 57.57	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 PARALLEL LSP10240LLP Littelfuse 1: S/ 85.79 41In Stock	Mfr. Part # LSP10240LLP Mouser Part # 576-LSP10240LLP	Littelfuse	LED Protection Devices 240V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	41In Stock	S/ 85.79 S/ 82.29 S/ 79.06 S/ 63.41	Min.: 1 Mult.: 1
LED Protection Devices 347V 10kA IP66 Series LSP10347S Littelfuse 1: S/ 98.75 6In Stock	Mfr. Part # LSP10347S Mouser Part # 576-LSP10347S	Littelfuse	LED Protection Devices 347V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	6In Stock	S/ 98.75 S/ 96.53 S/ 75.40 S/ 72.32	Min.: 1 Mult.: 1
LED Protection Devices 480V 10kA IP66 Series LSP10480LLS Littelfuse 1: S/ 93.26 48In Stock 32Expected 11/3/2026	Mfr. Part # LSP10480LLS Mouser Part # 576-LSP10480LLS	Littelfuse	LED Protection Devices 480V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	48In Stock 32Expected 11/3/2026	S/ 93.26 S/ 90.07 S/ 72.48 S/ 72.44 S/ 72.32	Min.: 1 Mult.: 1
LED Protection Devices 480V 10kA IP66 Series LSP10480S Littelfuse 1: S/ 76.22 18In Stock 248On Order	Mfr. Part # LSP10480S Mouser Part # 576-LSP10480S	Littelfuse	LED Protection Devices 480V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	18In Stock 248On Order On Order Ship Dates Mfr. #: LSP10480S Stock: 18 Can Ship Immediately On Order: 48 Expected 11/2/2026 80 Expected 11/5/2026 120 Expected 3/24/2027 Factory Lead-Time: 19 Weeks	S/ 76.22 S/ 75.98 S/ 60.29 S/ 60.22 View S/ 59.75 S/ 53.44 S/ 53.33	Min.: 1 Mult.: 1
LED Protection Devices 347V 10kA IP66 PARALLEL LSP10347P Littelfuse 1: S/ 78.55 43In Stock	Mfr. Part # LSP10347P Mouser Part # 576-LSP10347P	Littelfuse	LED Protection Devices 347V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	43In Stock	S/ 78.55 S/ 78.51 S/ 63.99 Quote Quote	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 Parallel LSP10240PX3316 Littelfuse 80: S/ 64.77 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10240PX3316 Mouser Part # 576-LSP10240PX3316	Littelfuse	LED Protection Devices 240V 10kA IP66 Parallel Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 64.77 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10240PX3333 Littelfuse 80: S/ 64.77 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10240PX3333 Mouser Part # 576-LSP10240PX3333	Littelfuse	LED Protection Devices THERMALLY PROTECTED VARISTOR Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 64.77 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices 240V 10kA IP66 Series LSP10240SX3316 Littelfuse 80: S/ 74.50 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10240SX3316 Mouser Part # 576-LSP10240SX3316	Littelfuse	LED Protection Devices 240V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 74.50 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10240SX3333 Littelfuse 1: S/ 93.26 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10240SX3333 Mouser Part # 576-LSP10240SX3333	Littelfuse	LED Protection Devices THERMALLY PROTECTED VARISTOR Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 93.26 S/ 81.20 S/ 72.32	Min.: 1 Mult.: 1
LED Protection Devices 277V 10kA IP66 Parallel LSP10277PX3316 Littelfuse 80: S/ 67.30 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10277PX3316 Mouser Part # 576-LSP10277PX3316	Littelfuse	LED Protection Devices 277V 10kA IP66 Parallel Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 67.30 S/ 66.21 S/ 65.86 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10277PX3333 Littelfuse 80: S/ 67.18 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10277PX3333 Mouser Part # 576-LSP10277PX3333	Littelfuse	LED Protection Devices THERMALLY PROTECTED VARISTOR Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 67.18 S/ 66.13 S/ 66.09 S/ 65.78 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices 277V 10kA IP66 Series LSP10277SX3316 Littelfuse 80: S/ 74.54 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10277SX3316 Mouser Part # 576-LSP10277SX3316	Littelfuse	LED Protection Devices 277V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 74.54 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10277SX3333 Littelfuse 80: S/ 74.54 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10277SX3333 Mouser Part # 576-LSP10277SX3333	Littelfuse	LED Protection Devices THERMALLY PROTECTED VARISTOR Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 74.54 Quote Quote	Min.: 80 Mult.: 8
LED Protection Devices 480V 10kA IP66 PARALLEL LSP10480LLP Littelfuse 80: S/ 62.86 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10480LLP Mouser Part # 576-LSP10480LLP	Littelfuse	LED Protection Devices 480V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 62.86	Min.: 80 Mult.: 8
LED Protection Devices LSP THERMALLY PROTECTED VARISTOR LSP10GI277P Littelfuse 1: S/ 81.86 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # LSP10GI277P Mouser Part # 576-LSP10GI277P	Littelfuse	LED Protection Devices LSP THERMALLY PROTECTED VARISTOR Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 19 Weeks	S/ 81.86 S/ 80.07 S/ 59.20 S/ 58.78	Min.: 1 Mult.: 1
Varistors LSP05HST277P2 Littelfuse Non-Stocked Lead-Time 17 Weeks Factory Special Order	Mfr. Part # LSP05HST277P2 Mouser Part # 576-LSP05HST277P2 Factory Special Order	Littelfuse	Varistors Learn More about Littelfuse LSP10 modules	Datasheet	Non-Stocked Lead-Time 17 Weeks		Request a Quote

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