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Description
KSI380D40-L40A 380VAC Single Phase Solid State Relay with 4~32VDC Control Voltage, Zero Crossing Mode and LED Indication 40A 380VAC Solid State Relay Features Suitable cover : KPC 0A ; Suitable heatsink : KHS 1A , KHS 1B and KHS 1C Specifications Input Circuit : Control Voltage Range : 4~32VDC Minimum Turn On Voltage : 4VDC Minimum Turn Off Voltage : 1VDC Maximum Input Current : 25mA Output Circuit Load Voltage Range : 48~440VAC Maximum Turn On Time : 1 2AC
40A 380VAC Single Phase Solid State Relay with 4~32VDC Control Voltage, Zero Crossing Mode and LED Indication
40A 380VAC Solid State Relay
Features
Suitable cover : KPC-0A ; Suitable heatsink : KHS-1A , KHS-1B and KHS-1C
Specifications
- Input Circuit :
- Control Voltage Range : 4~32VDC
- Minimum Turn-On Voltage : 4VDC
- Minimum Turn-Off Voltage : 1VDC
- Maximum Input Current : 25mA
- Output Circuit
- Load Voltage Range : 48~440VAC
- Maximum Turn-On Time : 1/2AC Cycle + 1ms
- Maximum Turn-Off Time : 1/2AC Cycle + 1ms
- Maximum Surge Current [@10ms] : 440A
- Maximum I2t For Fusing [@10ms] : 9702A
- Transient Overvoltage : 800Vpk
- Dielectric Strength : ≥4000Vrms [Input/Output], ≥2500Vrms [Ouput/Base]
Downloads
Additional Information
| Keywords | relay, solid state, solid state relay, kudom, |
| Device | Relay |
| Type | Solid State | Single Phase | AC Output |
| Highlights | 58.6x45.7x26.5mm | with LED | Zero Crossing Switching Mode |
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4.6 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great wiring harness for light installations.
Size: 16AWG Wiring Harness-2 Leads, Size: 16AWG Wiring Harness-2 Leads
This is a great wiring harness for LED lights. These come in one or two leads application. All that means is that they come ready for one or two lights, depending on your installation. The plug in connectors for each light comes with the set so that is a plus. I’ve attached a picture of the plug/connector for the lights so you can take a look at them. Although the relay is an “overkill” for low wattage LEDs, it’s OK to have it just in case you decide to change your lights for larger ones or halogens, in the future. In my case I will be using this harness in my motorcycle. It is very long for my need, which is great for cars, but too long for motorcycles since you have to remember that room/space is scarce in motorcycles. I ended up cutting the wires to my desired length and using heat shrink butt connectors and “glued” heat shrink covers for waterproofing the connection points. All in all these are great quality and I am very happy with them.
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Reviewed in the United States on December 16, 2020
★★★★★ 5
Nice
Size: 16AWG Wiring Harness-2 Leads
Worked great, easy to install
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Reviewed in the United States on January 8, 2026
★★★★★ 4
Wire length between the two connectors is short for a full-size pickup
Size: 16AWG Wiring Harness-2 Leads
I used the harness to wire ditch lights on opposite sides of a full-size pickup (F150). The wire between the 2 2-pin connectors was about 18 inches too short. Fortunately, splicing the wires from the (Nilight) ditch lights and the included pigtails gave barely enough length to reach the connectors. The connectors are buried inside the trim channel for the cowl; I'd have preferred they were exposed on each side to allow for easy swapping of the lights, but I can live with it. There is more than enough wire from the first connector to the relay for my all-under-hood installation, but I didn't think to measure if it would reach into the truck bed. The harness is of good quality and is a very good value. It would be a 5-star if it weren't for that little length issue.
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Reviewed in the United States on June 1, 2025
★★★★★ 5
great value
Size: 16AWG Wiring Harness-2 Leads
very affordable light install kit. worth the price just in the wiring connectors. I used this with my Nilight front bumper kit. i bypassed the button and wired high beam (+) to the yellow small wire. I did this so when the highbeams come on the light bar comes on. because with the stock arragement of this harness, the button continously draws power for the indicator LED
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Reviewed in the United States on April 30, 2026
★★★★★ 5
The Easiest!
Size: 16AWG Wiring Harness-2 Leads
This is one of the best and easiest wiring system to install that I have every used. And the price is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2025
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