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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
LED Protection Devices 277V 10kA IP66 PARALLEL LSP10277P Littelfuse 1: $19.34 A tariff of 30% may be applied if shipping to the United States. 3,552In Stock	Mfr. Part # LSP10277P Mouser Part # 576-LSP10277P	Littelfuse	LED Protection Devices 277V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	3,552In Stock	$19.34 $17.95 $14.73 $13.41 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 120V 10kA IP66 PARALLEL LSP10120P Littelfuse 1: $23.34 A tariff of 30% may be applied if shipping to the United States. 284In Stock	Mfr. Part # LSP10120P Mouser Part # 576-LSP10120P	Littelfuse	LED Protection Devices 120V 10kA IP66 PARALLEL Learn More about Littelfuse LSP10 modules	Datasheet	284In Stock	$23.34 $21.14 $17.90 $14.69 View $14.47 $14.45 $14.44 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 PARALLEL LSP10240P Littelfuse 1: $21.84 A tariff of 30% may be applied if shipping to the United States. 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	$21.84 $19.76 $15.04 $14.68 View $14.55 $14.44 $14.43 Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices LSP THERMALLY PROTECTED VARISTOR LSP10GI277S Littelfuse 1: $22.09 A tariff of 30% may be applied if shipping to the United States. 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	$22.09 $21.96 $15.67 $15.24 $14.67 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 PARALLEL LSP10240LLP Littelfuse 1: $22.04 A tariff of 30% may be applied if shipping to the United States. 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	$22.04 $21.14 $20.31 $16.15 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 277V 10kA IP66 Series LSP10277S Littelfuse 1: $19.23 A tariff of 30% may be applied if shipping to the United States. 4,703In Stock 2,928Expected 1/28/2027	Mfr. Part # LSP10277S Mouser Part # 576-LSP10277S	Littelfuse	LED Protection Devices 277V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	4,703In Stock 2,928Expected 1/28/2027	$19.23 $16.99 $15.32 $13.70 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 120V 10kA IP66 Series LSP10120S Littelfuse 1: $20.56 A tariff of 30% may be applied if shipping to the United States. 486In Stock	Mfr. Part # LSP10120S Mouser Part # 576-LSP10120S	Littelfuse	LED Protection Devices 120V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	486In Stock	$20.56 $20.43 $16.72 $16.65 $16.43 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 Series LSP10240LLS Littelfuse 1: $23.96 A tariff of 30% may be applied if shipping to the United States. 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	$23.96 $19.94 $18.58 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 480V 10kA IP66 PARALLEL LSP10480P Littelfuse 1: $20.02 A tariff of 30% may be applied if shipping to the United States. 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	$20.02 $16.58 $14.79 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 480V 10kA IP66 Series LSP10480S Littelfuse 1: $19.58 A tariff of 30% may be applied if shipping to the United States. 146In Stock 120Expected 12/28/2026	Mfr. Part # LSP10480S Mouser Part # 576-LSP10480S	Littelfuse	LED Protection Devices 480V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	146In Stock 120Expected 12/28/2026	$19.58 $19.19 $15.49 $15.12 View $15.05 $13.73 $13.70 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 Series LSP10240S Littelfuse 1: $26.16 A tariff of 30% may be applied if shipping to the United States. 64In Stock	Mfr. Part # LSP10240S Mouser Part # 576-LSP10240S	Littelfuse	LED Protection Devices 240V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	64In Stock	$26.16 $24.59 $21.49 $18.58 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 347V 10kA IP66 PARALLEL LSP10347P Littelfuse 1: $20.18 A tariff of 30% may be applied if shipping to the United States. 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	$20.18 $20.17 $16.44 Quote Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 347V 10kA IP66 Series LSP10347S Littelfuse 1: $25.37 A tariff of 30% may be applied if shipping to the United States. 5In Stock	Mfr. Part # LSP10347S Mouser Part # 576-LSP10347S	Littelfuse	LED Protection Devices 347V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	5In Stock	$25.37 $24.80 $19.37 $18.58 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 480V 10kA IP66 Series LSP10480LLS Littelfuse 1: $27.19 A tariff of 30% may be applied if shipping to the United States. 73In Stock	Mfr. Part # LSP10480LLS Mouser Part # 576-LSP10480LLS	Littelfuse	LED Protection Devices 480V 10kA IP66 Series Learn More about Littelfuse LSP10 modules	Datasheet	73In Stock	$27.19 $25.63 $22.56 $19.16 $18.58 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 240V 10kA IP66 Parallel LSP10240PX3316 Littelfuse 80: $16.64 A tariff of 30% may be applied if shipping to the United States. 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	$16.64 Quote Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10240PX3333 Littelfuse 80: $16.64 A tariff of 50% may be applied if shipping to the United States. 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	$16.64 Quote Quote A tariff of 50% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices 240V 10kA IP66 Series LSP10240SX3316 Littelfuse 80: $19.14 A tariff of 30% may be applied if shipping to the United States. 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	$19.14 Quote Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10240SX3333 Littelfuse 1: $23.96 A tariff of 30% may be applied if shipping to the United States. 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	$23.96 $18.93 $18.58 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices 277V 10kA IP66 Parallel LSP10277PX3316 Littelfuse 80: $17.29 A tariff of 30% may be applied if shipping to the United States. 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	$17.29 $17.01 $16.92 Quote Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10277PX3333 Littelfuse 80: $17.26 A tariff of 50% may be applied if shipping to the United States. 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	$17.26 $16.99 $16.98 $16.90 Quote Quote A tariff of 50% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices 277V 10kA IP66 Series LSP10277SX3316 Littelfuse 80: $19.15 A tariff of 30% may be applied if shipping to the United States. 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	$19.15 Quote Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices THERMALLY PROTECTED VARISTOR LSP10277SX3333 Littelfuse 80: $19.15 A tariff of 50% may be applied if shipping to the United States. 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	$19.15 Quote Quote A tariff of 50% may be applied if shipping to the United States.	Min.: 80 Mult.: 8
LED Protection Devices 480V 10kA IP66 PARALLEL LSP10480LLP Littelfuse 1: $22.74 A tariff of 30% may be applied if shipping to the United States. 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	$22.74 $18.47 $16.15 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
LED Protection Devices LSP THERMALLY PROTECTED VARISTOR LSP10GI277P Littelfuse 1: $21.03 A tariff of 30% may be applied if shipping to the United States. 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	$21.03 $20.57 $15.21 $15.10 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Varistors LSP05HST277P2 Littelfuse A tariff of 30% may be applied if shipping to the United States. 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

LSP10 Surge Protection Modules

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LSP10 Surge Protection Modules

Types of Circuit Protection