DS40S DIN Rail AC Power Surge Suppressors

CITEL DS40S DIN Rail AC Power Surge Suppressors are UL1449 Type 1 and Type 4CA surge protection devices with a 40kA surge rating per module. The AC power surge suppressors operate within a -35°C to +60°C ambient temperature range and feature a modular construction with remote signaling, remote contacts, and a visual fault indicator. The DS40S devices from CITEL come with a ten-year warranty and are ideal for direct installation into critical equipment or within a nearby power panel. 

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Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 120 V Single Phase, 1P
Datasheet
32In Stock
24Expected 11/27/2026
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 120 VAC 40 kA - 35 C + 60 C 67 mm 18 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 400/230V, 3 Phase Wye, 1P+GSG
Datasheet
11In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 230 VAC 40 kA - 35 C + 60 C 67 mm 36 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 480V Delta,3P
Datasheet
22In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 480 VAC 40 kA - 35 C + 60 C 67 mm 54 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 230 V Single Phase, 1P
Datasheet
1In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 230 VAC 40 kA - 35 C + 60 C 67 mm 18 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 480V Single Phase, 1P
Datasheet
2In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 480 VAC 40 kA - 35 C + 60 C 67 mm 18 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120V Split Phase, 1P+GSG
Datasheet
2In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 120 VAC, 240 VAC 40 kA - 35 C + 60 C 67 mm 36 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 480/277V 3 Phase,3P
Datasheet
1In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 277 VAC, 480 VAC 40 kA - 35 C + 60 C 67 mm 54 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120V Split Phase, 2P+GSG
Datasheet
1In Stock
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 120 VAC, 240 VAC 40 kA - 35 C + 60 C 67 mm 54 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120V Split Phase, 2P
Datasheet
29Expected 9/16/2026
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 120 VAC, 240 VAC 40 kA - 35 C + 60 C 67 mm 36 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 277V Single Phase 1P
Datasheet
7Expected 12/11/2026
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 400 VAC 40 kA - 35 C + 60 C 67 mm 18 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 400/230V, 3 Phase Wye, 2P
Datasheet
4Expected 11/27/2026
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 230 VAC, 400 VAC 40 kA - 35 C + 60 C 67 mm 36 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 600V Single Phase, 1P
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 600 VAC 40 kA - 35 C + 60 C 67 mm 18 mm 99 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 400/230V 3 Phase,3P
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 230 VAC, 400 VAC 40 kA - 35 C + 60 C 67 mm 54 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 400/230V 3 Phase, 2P+GSG
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 4
Mult.: 4

AC Power DIN Rail Screw 230 VAC 40 kA - 35 C + 60 C 67 mm 54 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120V Split Phase, 4P
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 4
Mult.: 2

AC Power DIN Rail Screw 120 VAC, 240 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120V Split Phase, 3P+GSG
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 4
Mult.: 2

AC Power DIN Rail Screw 120 VAC, 240 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 415/240V Split Phase, 4P
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 240 VAC, 415 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 415/240V Split Phase, 3P+GSG
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 4
Mult.: 2

AC Power DIN Rail Screw 240 VAC, 415 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 415/240V Split Phase, 4P
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 4
Mult.: 2

AC Power DIN Rail Screw 277 VAC, 480 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 415/240V Split Phase, 3P+GSG
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 4
Mult.: 4

AC Power DIN Rail Screw 440 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S
Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 480V Delta,4P
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1

AC Power DIN Rail Screw 530 VAC 40 kA - 35 C + 60 C 67 mm 72 mm 90 mm DS40S