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LY2-AC24 - 

Power Relay, DPDT, 24 VAC, 15 A, LY Series, Through Hole, Non Latching

OMRON INDUSTRIAL AUTOMATION LY2-AC24

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Manufacturer Part No:
LY2-AC24
Newark Part No.:
36K7544
Product Range
LY Series
Technical Datasheet:
(EN)
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Product Information

:
DPDT
:
24VAC
:
15A
:
LY Series
:
Through Hole
:
Non Latching
:
120VAC
:
Solder
:
28VDC
:
Silver Alloy
:
46ohm
:
CE, CSA, UL, VDE
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Product Overview

The LY2-AC24 is a standard General-purpose Relay with AC coil. This LY-series relay has DPDT Ag alloy single contacts, high dielectric strength (2000VAC) and long dependable service life assured by Ag alloy contacts.
  • PCB terminal type
  • Standard bracket mounting
  • -25 to 55°C Operating temperature range

Applications

Industrial

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1 year, 4 months ago
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Anonymous
 - Malden, MA, USA
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Answers

A: 
I am not sure of your circumstances, but to determine if a relay is bad, you may need a qualified electrician to come in and test the circuit. At the very least, we would need a complete circuit diagram to offer advise on how to trouble shoot your particular application.

In general, the way to check the relay is to check the coil voltage of the LY2. If there is 24VAC between terminals 7 and 8, then you know that the circuit is energized. When the circuit is energized, there should be continuity from pin 5 to 3, and from 6 to 4. In addition, there should be no continuity (an open circuit) between pins 5 and 1, and between pins 6 and 2.

If the controller is de-energizing the circuit because you have aenough heat, then the electrical opposite would be true...assuming there is 0VAC between terminals 7 and 8, then you know that the circuit is de-energized.
When the circuit is de-energized, there should be no continuity from pin 5 to 3, and from 6 to 4. In addition, there should be continuity between pins 5 and 1, and between pins 6 and 2.
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1 year, 4 months ago
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TechGTC
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1 year, 4 months ago
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chubydan
 - Malden, MA, USA
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A: 
My best guess is that there is a parallel circuit supplying power to the heating element. or the Solid State Relay that powers the heating element is broken and is shorting power regardless of its input signal.
Again. without a wiring diagram, your best bet is to get an electrician to help trouble shoot the circuit with a voltmeter.
1 year, 4 months ago
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TechGTC
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Q: 
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24 volt relay

Details: 
i have a 24 volt ac coil relay that i need a replacement part.
part # ly2-ua-006223
it's a 6 pin relay
contact = 1/3 hp @ 120 vac
12 a @ 240 vac

coil = 24 v ac

will your ly2n ac24 work as a replacement ? it is an 8 pin.
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2 years, 8 months ago
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Anonymous
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