Solid state relay SSR-15AA, 15A 90-280V AC to AC

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$51.69

Single phase solid state relay (SSR), AC control, load current 15 Amp, input voltage 90-280V AC and load voltage 24-480V AC, with LED indicator and panel mount. High reliability and favorable price.

SKU: ATO-SSR-DH15AA

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Features

15A solid state relay (SSR) with 90-280V AC features 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.

Rating of 15A
Output voltage of 24-480V AC
Control voltage of 90-280V AC
Zero Crossing or Random-on Switching
Integrated lP20 touch-safe removable covers
Dielectric Strength 4000V ACrms
LED input status indicator

Specification

Model		ATO-VSR15AA48Z
Input	Control voltage range	90-280V AC
	Minimum turn-on voltage	90V AC
	Must turn-off voltage	10V AC
	Minimum input current	6.5mA (for on-state)
	Maximum input current	18mA
	Maximum turn-on time	1/2 Cycle
	Maximum turn-off time	1/2 Cycle
Output	Load voltage range	24-480V AC
	Load current range	0.05-15Arms
	Surge current 10mSec (Max.)	150Arms
	Transient overvoltage	1200Vpk
	Operating frequency range	47~63Hz
	Off state dv/dt (min.)	200V/μs
	Off state leakage current (Max.)	≤8mA
	On state voltage drop (Max.)	1.5Vrms
	Turn on time (Max.) “Zero-crossing”	1/2 Cycle
	Turn on time (Max.) “Random-on”	1mSec
	Turn-off time (AC input)	10mSec
	Thermal Resistance, (Rthjc)	2.5℃/W
General	Type	AC to AC, single phase
	Dielectric strength, input to output (50/60 Hz)	4000Vrms
	Dielectric strength, input/output to base (50/60 Hz)	2500Vrms
	Minimum insulation resistance (500V DC)	109Ω
	Maximum capacitance, input/output	0.8pF
	Ambient operating temperature range	-30 to 80℃
	Ambient storage temperature range	-30 to 100℃
	Input terminal screw torque range (in-lb/Nm)	11-18 /1.2-2.0
	Load terminal screw torque range (in-lb/Nm)	18-26 /2-3
	SSR mounting screw torque range (in-lb/Nm)	11-16 /1.2-1.8
	Humidity per lEC60068-2-78	95%
	LED input status indicator	Red
	Housing material	PET+30%GF
	Baseplate material	Pure copper
	Weight	145g

Dimensions (Unit: mm)

Wiring Diagram

Tips: Overheat protection of solid state relays

When the SSR is on, devices will withstand the dissipated power of P = V (tube voltage drop) × I (load), where effective values of V and I are the ones of saturation voltage drop and operating current, respectively. The load capacity of solid state relays is greatly affected by the ambient temperature and its own temperature rise. It is necessary to strictly refer to the allowable temperature rise (75 ℃) of the case when the rated working current is used according to the actual working environment conditions, to reasonably select the size of radiators or reduce the current usage. In the process of installation and use, good heat emission conditions should be ensured and otherwise, overheat will lead to incontrollable situation, or even cause damage to the product.
In general, for the product with rated operating current less than 10A, the instrument baseplate with good heat emission conditions can be used. For more than 10A, radiators should be equipped with. For 30A or less, natural air-cooling is used, while for products with continuous load current greater than 30A, the fan in the instrument should be used for forced air cooling. For more than 100A, a radiator and a fan for forced cooling should be equipped with. In the installation, pay attention to good contact between the bottom of the relay and the radiator, and consider the amount of thermal grease coated appropriate to achieve the best cooling effect. If the relay works under high temperature (40 ℃ ~ 80 ℃) in a long term, the user can consider derating to ensure normal operation according to data of maximum output current and ambient temperature curve.

Solid state relay (SSR) is simple but widely used in the automation fields. Thus, it is not complex to wire a solid state relay. In this vedio, ATO takes a 40 Amp SSR (DC - AC) for example to show the wiring of a SSR and then switch on/off a motor with this SSR.

How to Test a Solid State Relay?

Solid state relays are commonly used to control many electronic components, so if a component isn't working because there's no current flowing through it, it's likely a problem with the relay. With some simple troubleshooting steps, it's easy to check if an SSR is working as expected. In this video, we'll show you step-by-step instructions on how to test a solid state relay.

Types of Solid State Relays

There are different types of solid state relays according to various classification standards. In this video, we will introduce a series of different types of SSRs according to the following standards.

DC-AC/AC-AC Single Phase Solid State Relays

In this video we take a quick look at ATO's current single phase SSR models along with their specifications and key features. They are designed to operate high load currents using low control currents, using our advanced opto-isolation technology.

Electromagnetic Switches: Relays VS. Contactors

In this video we will try to clear the confusion many people have between relays and contactors by showing you how to tell the difference based on five criteria: Definition, Capacity, Structure, Contacts and Applications.

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 SSR-15AA, 15A 90-280V AC to AC

Works great

Bought this solid state relay to run an AC silicon heated bed for my 3D printer. Got a higher rated one so that it doesn't come close to the max amperage. So far it's been working like a champ.

From: Johanes | Date: 01/12/2022

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