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40A SSR Solid State Relay

by Lightobject
4.0 out of 5 stars  See all reviews (5 customer reviews)

Price: $9.98
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Only 3 left in stock.
Ships from and sold by Tabstore.

Frequently Bought Together

40A SSR Solid State Relay + Amico Aluminum Heat Sink for Solid State Relay SSR Small Type Heat Dissipation
Price for both: $15.88

These items are shipped from and sold by different sellers.

Buy the selected items together


Product Features

  • Low Cost
  • No mechanical movement so last longer
  • No signal noise
  • Wide input: DC 3V-32V

Product Description

For sale is a 40A Solid State Relay (SSR). It's good for heater, oven, or other appliance up to 3500Watt power consumption. Ideal for PID temperature controller.

Specification
Input: 3V-32V DC
Control: 24V~380V AC
Current: 40A


Note: A heatsink must be used or it will get burned out.

Product Details



Customer Questions & Answers

Customer Reviews

4.0 out of 5 stars
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Most Helpful Customer Reviews
3 of 3 people found the following review helpful
5.0 out of 5 stars Works like a charm. March 19, 2012
Verified Purchase
I put about 23 amps through this when running my 240V, 5500 watt heater element in my brewery setup. It runs nice and cool with a heatsink and a fan blowing across the heatsink. Switches on and off perfectly. The terminals are solid, hold anything from a small spade connector to bare 10 ga wire just fine, (and can probably take much bigger wire). It's a nice, sturdy little component.
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2 of 2 people found the following review helpful
2.0 out of 5 stars Item is as pictured November 23, 2011
Verified Purchase
This relay is exactly as pictured, the Fotek SSR-40 DA. It has a metal backing plate, but a matching metal fin heat sink is sold separately.

It's very easy to drive, and I've had no problem driving it with 5V and sinking the current through a microcontroller. No driver required for an Atmega328P.

After about two years of extremely light, intermittent use, this relay has died on me. Regardless of input (open or closed), and regardless of the LED status light, the output circuit is always closed, causing the connected device to run continuously. Things fail, but if this thing fails, and whatever you have hooked up to it can't run indefinitely, you have a real problem.
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1 of 1 people found the following review helpful
5.0 out of 5 stars CNC December 23, 2013
Verified Purchase
I use this as a switch to turn on the Porter cable router and vacuum for a homemade CNC routing table.
Works flawlessly and highly recommend.
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1 of 1 people found the following review helpful
4.0 out of 5 stars Easy to install, works well November 21, 2011
By Kevin
Verified Purchase
I bought this item so that I could use low voltage control to enable and disable my oil-less air compressor. It is easy to install. My air compressor draws about 16 amps at 120VAC single phase. So far this solid state relay is performing as expected.

It does say it needs a heat sink. My air compressor only runs for maybe a minute or two at a time, so I haven't noticed any appreciable heat output from this device. I used some heat sink goop on the back and simply mounted it in a 4" square metal electric box that had a smooth back; that seems to give it a bit of heat sink.

I used a spare 4.5VDC cell phone charger with the end cut off as the DC supply for control voltage. It seems to be working fine.
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1 of 1 people found the following review helpful
4.0 out of 5 stars Good item October 19, 2011
Verified Purchase
Needed this for work - it works great. I got it fast, no issues. Still being used at work for our customers.
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