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  • General-Purpose Relay LY4
  • General-Purpose Relay LY4
  • General-Purpose Relay LY4

General-Purpose Relay LY4 LY4N-D2 DC24

4.60 (10)
LY4N-D2 DC24
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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Failure Rate P Level (Reference Value: Opening/Closing Frequency 120 times/min)
DC5V 100mA
Maximum Switching Frequency (times/hour)/mechanical
Rated Current
Resistance Load
DC24V 10A
Maximum Contact Voltage (V)
Coil Inductance (H)/ Iron Working Time
Reference value: 2.91 (60 Hz)
Ambient Humidity
5 - 85%RH
Impact Resistance
Terminal Shape
Plug-in terminals
Rated Voltage (V)
Indicator Lamp
Inductive Load (cos phi =0.4, L/R = 7 ms)
DC24V 5A
Impact Resistance (Malfunction)
Vibration Resistance (malfunction)
10 to 55 to 10 Hz single amplitude 0.5mm (double amplitude of 1.0 mm)
External Dimensions (Width (W)x Depth (D)x Height (H)) (mm)
Less than 41.5 x 42.4 x less than 28.0
Recovery Time
25 ms or less Rated operation voltage condition, excluding contact bounce.
Operating Time
25 ms or less Rated operation voltage condition, excluding contact bounce.Surrounding temperature 23 deg C
Coil Resistance (ohm)
Reference value: 350 (coil temperature 23 degree C) Tolerance: + 15%
Vibration Resistance
10 to 55 to 10 Hz single amplitude 0.5mm (double amplitude of 1.0 mm)
Mechanical Durability
100 million times or more (opening and closing frequency of 18000 times per hour)
Contact Type
Maximum Switching Frequency (times/hour)/rated load
Operating Voltage
80% or less
Number of Poles
Weight (g)
About 70
Release Voltage
Above 30%
Coil Inductance (H)/ Iron Opening Time
Reference value: 1.41 (60 Hz)
CR Circuit
Rated Current (mA)
Contact Materials
Power Consumption (VA, W)
About 1.5
Number of Pins
Installation Shape
Standard type
Operating Ambient Temperature (deg C)
-25 to 40 (however, no freezing or condensation) When current flowing is below 4A, it will be -25 to 55 deg C.
Insulation Resistance (Mohm)
100 or more Measure the same DC500V insulation resistance meter for voltage section location
Maximum Voltage (V)
110% (surrounding temperature of 23 deg C)
Diode and built-in operation indication lamp type
Contact Maximum Value
Resistive load: 10A Inductive load: 10A
Withstand Voltage
Between coil and contact points: AC2000V 50/60Hz 1min Between heteropolar contact points: AC2000V 50/60Hz 1min Between homopolar contact points: AC1000V 50/60Hz 1min
Electrical Durability
200,000 times or more (rated load opening and closing frequency of 1800 times / hour)
Contact Resistance (mohm)
Less than 50 By DC5V 1A voltage depression method.
Customer Reviews
5 star 8
4 star 0
3 star 2
2 star 0
1 star 0
Review Rating: 4.60
10 Customer Reviews
The reviews are automatic translation.
Repair of welding machine
From Japan
On 2016-12-28 22:33:25
It is not perfect in replacing genuine. After a little more restrained and can the price, it is even better.
This review is about item#2492332.
Maintenance of machinery
From Japan
On 2016-11-16 20:28:34
I do not know because there is no track record because it is the first time the exchange called the movement of the machine is smooth
This review is about item#2492314.
For the workplace of the machine
From Japan
On 2016-02-23 18:08:34
Of this purchase was purchased in the spare.
This review is about item#02492323.
Original Equipment (auto racing field)
From Japan
On 2015-09-17 22:32:41
You can use to under adverse environment peace of mind in the stable operation. I think that I want you to production now even longer.
This review is about item#35080726.
Cutting of the circuit
From Japan
On 2014-06-19 20:01:10
Goods is likely to be firm to have confidence
This review is about item#02492314.
Instantaneous switching of power
From Japan
On 2014-02-25 19:18:24
- Suitable for the application in good
This review is about item#02492314.
We have used for the annual inter-OFF circuit of household toilet heater.
From Japan
On 2014-02-18 22:51:42
It is compact when viewed from the contact capacity. Also robustness is good. It feels and improvements that hard to look at a diagram of the contact. Because it is not company work Remove company name of the check.
This review is about item#02492314.
Machine control system repair
From Japan
On 2013-12-23 17:27:04
Because it is being used in the machine control system that repair has in stock at all times, but this time because there is no retail store in the neighborhood it was purchased in Monotarou's. You can use normally. Also those of the other relay buyers have been written, but because I think that leg of the relay is able to bend at the time of transport, I think that it may be equal to protect refers to the Styrofoam.
This review is about item#02492375.
Synchronization on / off control of the load connected to the tenant circuit.
From Japan
On 2011-09-11 23:14:09
Normally, even pricewise, to say from the multitude of choices I think probably a place to select the "MY ~". But, I am in the "LY ~". <Good points> ① Unlike "MY ~", legs for the operating coil has become the "portrait", Education easy point for beginners of workers, "Honest mistake is less" in terms of the time of construction. <Disliked> ① this time, probably because it was ordered in individual packaging "is one leg, had bent a little bit," because, Situ, repair by pliers. And was exaggerated to say the "disliked", does not also become something of a problem. It plans to use in the future. ② compared with the "MY ~", "price is high" point as the "choice is less" points. I think the price is high for aside, may choices increases. For example, a if "eBook ~", "with the CR circuit," which is granted to line up.
This review is about item#02492341.
As replacement parts.
From Japan
On 2011-01-27 10:31:52
Selling Summary of a box even want to consider. Individual packaging is often the trouble to peel as the number increases are bent take Shi legs.
This review is about item#02492357.