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![Square D SDSA2040 SPD T1 SDSA 40KA 120/208V 3P4W | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-sdsa2040_medium.png?v=1721245777)
SDSA2040 | SPD T1 SDSA 40KA 120 / 208V 3P4W | Square D by Schneider Electric
Brand: Square D
SKU: SDSA2040
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![Square D SDSA4040 Surge Protect - 40kA, 480Y/277VAC, 3P4W, T4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/349956814_5f33e22f-f724-4c1f-acd6-389b86c2242f_medium.png?v=1720019795)
SDSA4040 | Surge Protect - 40kA, 480Y / 277VAC, 3P4W, T4X | Square D by Schneider Electric
Brand: Square D
SKU: SDSA4040
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![Square D SDSA4040D SDSA Surge Protective Device, 480 V Delta, 3-phase, 3-wire | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-sdsa4040d_5b92a04e-db00-478d-bab0-30260af02cd2_medium.png?v=1721419820)
SDSA4040D | SDSA Surge Protective Device, 480 V Delta, 3-phase, 3-wire | Square D by Schneider Electric
Brand: Square D
SKU: SDSA4040D
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![Square D SDSA2040D SDSA Surge Protective Device, 240 V Delta, 3-phase, 3-wire | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-sdsa2040d_medium.png?v=1721245777)
SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-phase, 3-wire | Square D by Schneider Electric
Brand: Square D
SKU: SDSA2040D
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![Square D SDSA3650D SURGE SUPPRESSOR, 40KA, 600V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-sdsa3650d_ff4cb537-490f-47f5-ae75-1a69334065dd_medium.png?v=1720468602)
SDSA3650D | SURGE SUPPRESSOR, 40KA, 600V | Square D by Schneider Electric
Brand: Square D
SKU: SDSA3650D
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![Square D TVS4HWA10X SURGE PROTECTOR, 100KA, 277V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tvs4hwa10x_medium.png?v=1720019858)
TVS4HWA10X | SURGE PROTECTOR, 100KA, 277V | Square D by Schneider Electric
Brand: Square D
SKU: TVS4HWA10X
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![Square D SDSA1175T SPD T1 SDSA 36KA 120/240V 1P2W | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-sdsa1175t_medium.png?v=1720019805)
SDSA1175T | SPD T1 SDSA 36KA 120 / 240V 1P2W | Square D by Schneider Electric
Brand: Square D
SKU: SDSA1175T
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