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Description
SSR-40AA AC to AC Solid State Relay - 2 PackSSR 40AA Solid State Relay Key Features Model: SSR 40AA Type: Single Phase AC to AC Solid State Relay Load Current: 40A Input Voltage Range: 70 280V AC Output Voltage Range: 24 480V AC Switching Method: Zero Crossing Features a built in LED status indicator Designed with a metal base plate for thermal management Replaces Cross Reference Part Numbers SSR 40AA SSR 40AA Compatibility & Fitment General purpose component for applications requiring AC load
SSR-40AA Solid State Relay
Key Features
- Model: SSR-40AA
- Type: Single Phase AC-to-AC Solid State Relay
- Load Current: 40A
- Input Voltage Range: 70-280V AC
- Output Voltage Range: 24-480V AC
- Switching Method: Zero-Crossing
- Features a built-in LED status indicator
- Designed with a metal base plate for thermal management
Replaces / Cross-Reference Part Numbers
- SSR-40AA
- SSR 40AA
Compatibility & Fitment
- General-purpose component for applications requiring AC load switching.
- Commonly used in temperature control systems (PID), industrial automation, heating elements, lighting controls, and other machinery.
- Designed for use with resistive loads.
- Ensure your application's voltage and current requirements fall within this relay's specified operating range.
When to Replace
- The connected load does not turn on when control voltage is applied.
- The connected load remains on permanently, even with no control voltage.
- Operation is intermittent or unreliable.
- Visible signs of overheating, charring, or physical damage to the relay casing.
Installation Tips
- A heat sink is required for loads exceeding 10A to prevent overheating.
- Apply a thin layer of thermal compound between the relay's metal base and the heat sink for optimal heat transfer.
- Ensure all terminal connections are secure to prevent arcing.
- Use appropriately sized wiring to handle the intended load current.
- Verify correct wiring for input (control) and output (load) terminals before applying power.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Squishy and comfy
Very well made bed. Had I known about Amazon Basics brand sooner, I would have gotten two of these earlier. The other bed I purchased was a Snoozer XL and it arrived in a super compact state; the filler was even compressed and is therefore not as squishy and comfy as this Amazon Basics bed. The dog pictured is about 41 lbs, so it's perfect for her size (my other dog is a 70 lb pittie and he also fits on the bed).The 'hood' does detach, whereas the Snoozer one is permanently attached. Having the hood detach for washing the cover was another plus for this bed. The zippers are heavy duty and the 'sheepskin' is soft (I haven't washed the cover yet, so I don't know if it will pill). This bed arrived ready to use out of the box (very basic packaging); the filler was not compressed, so the bed is definitely more fluffy. This is the XL size and it is smaller than the Snoozer XL size but fits the corner of my room better. This is definitely worth the money.
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Reviewed in the United States on September 23, 2020
★★★★★ 2
I regret my purchase
Color: Blue, Size: Medium (Pack of 1)
A few things: 1) this bed is much smaller than you think. Even if you measure it the way it’s constructed makes the area under the flap super small.
2) my dogs, burrow under blankets, covers, everything. But they don’t burrow under this. It’s designed to be appealing to humans, but dogs don’t care for it.
3) you probably already read this another reviews, but the flap doesn’t really stay up at all. That wouldn’t be a problem for my dogs, but it may be for yours.
My recommendation – don’t buy this. It’s a gimmick. They make others with larger areas under the flap that are more expensive, but it’s worth the money instead of wasting it on this.
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Utensils
Number of Items: 500
This product was great. It’s heavy duty, it doesn’t break when you’re eating, it’s cheap for 500 pieces. Great for large parties.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great Quality
Number of Items: 500
Amazing! Best price for 500 forks outside of Sam’s Club or BJ,s. The sturdiness and thickness is strong! Easy to use, recommend for daily use, you can even wash and reuse them.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Good product
Number of Items: 500
Very good an sturdy
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Reviewed in the United States on April 10, 2026
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