Solid state relay, 3 phase, SSR-60AA, 60A 70-280V AC to AC

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$103.84

Cheap 60A AC to AC solid state relay, SSR-60AA, 3 phase, zero crossing, 70-280V AC control voltage, 24-480V AC load voltage, panel mount, strong structure and high reliability.

Heat Sink *

SKU: ATO-SSR-TH60AA

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Delivery date: 6-12 days

Features

60A 3-phase 70-280V AC to AC solid state relay (SSR) has high structural strength, good impact resistance, and strong shock resistance. The SSR offers a reliable switching the commercial and industrial loads, such as computer peripheral interface device, printing machine, molding machine, food machine, packaging machine, and so on.

Built in RC absorption
Photoelectric isolation
SCR output
LED indicator for operation status
Removable protective cover for safety
Panel mount
Zero-crossing switch type

Specification

Model		ATO-SSR-TH60AA
Input	Control voltage range	70-280V AC
	Max. input current	20mA
	Must operate voltage	70V AC
	Must release voltage	50V AC
Output	Load voltage range	24-480V AC
	Peak voltage	800V AC
	Maximum load current	60A
	Maximum off-state leakage current	8mA
	Maximum off-state time	10mS
	Maximum on-state voltage drop	1.5V
General	Type	AC to AC, 3 phase
	Dimension L – W – H (mm)	105х74.8х33
	Weight	500g
	Dielectric strength (input to output)	4000V
	Dielectric strength (input, output to the base)	2500V
	Operating temperature	-20℃~ 80℃
	Mount	Panel
	Certification	CE

Note:

When the load is a resistive load, the maximum load current of the selected SSR should be 2~3 times greater than the actual load current;
When the load is an inductive load, the maximum load current of the selected SSR should be more than 7~8 times the actual load current.
When the maximum load current is higher than 10A, a heat sink must be installed to the solid state relay, or the SSR relay should be mounted on a metal base plate with heat dissipation effect, and the thermal grease is applied between them.

Heat Sink

Product Name	Heat sink for 3 phase SSR
Material	Aluminum alloy
Dimension (LWH)	150125135mm
Mounting Size	Mounting Hole Diameter: 3mm Groove Distance: 84mm
Weight	2.1kg
Application	≤150A 3 phase solid state relay

Dimensions (Unit: mm)

Wiring Diagram

Tips: Interference to solid state relays

Solid state relays should be far away from electromagnetic interference and radio frequency interference source when installed and used in case of the relay’s mis-operation and out-of-control state. SSR relays are also a kind of interference source, which will produce radiation or power line interference through the load, and the degree of interference varies with the load size. The interference caused by the resistance of incandescent lamp is small, and the zero-voltage type is conducted near the zero-crossing area of the AC power supply (i.e. zero voltage), so the interference is also small. The reduction method is to install inductance coils in series in the load. In addition, cross interference should be avoided between the signal line and the power line.

3 Phase Solid State Relay DC/AC Controlled AC

This introductory video covers the specifications and features of the ATO 3 Phase SSR models. Capable of switching at zero voltage or instantaneous turn-on, these models feature back-to-back thyristor outputs and are suitable for working resistive, inductive and capacitive loads. The control voltage for this line is 3-32V DC or 70-280V AC. Load current ratings range from 10 to 120A with nominal output voltages up to 480V AC.

How to Choose the Right Solid State Relay?

In this video, we discuss the key considerations for choosing the right solid state relay.

Relays vs Circuit Breakers: What’s the Difference

In this video, we've described the difference between a relay and a circuit breaker as well as explaining their basic working and operation by means of animation. If you find this video helpful, please LIKE it and SHARE with your friends. Don't forget to check out the purchase links above if any featured items're of your interest.

Existing reviews of Solid state relay, 3 phase, SSR-60AA, 60A 70-280V AC to AC

Simple installation

I recently purchased this three-phase solid-state relay for controlling three-phase heating equipment. The installation process is very simple, the wiring terminals are firm, and the overall workmanship is good. When running for a long time, the relay will generate heat. It is recommended to pair it with suitable heat sinks or fans.

From: Rigg | Date: 03/03/2025

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