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  • General-Purpose Relay MY4

General-Purpose Relay MY4 MY4N-D2 DC12

4.50 (36)
MY4N-D2 DC12
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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Installation Shape
Standard form
Protection Structure
Closed (with case)
Maximum Switching Frequency (times/hour)/mechanical
Weight (g)
About 35
Release Voltage
More than 10%
Coil Inductance (H)/ Iron Working Time
Reference value: 1.37 (60Hz)
Coil Inductance (H)/ Iron Opening Time
Reference value: 0.73 (60Hz)
Rated Current (A)
CR Circuit
Impact Resistance
Contact Materials
Au clad + Ag alloy
Resistance Load
AC220V 3A, DC24V 3A
Contact Arrangement
Number of Pins
Failure Rate P Level (Reference Value: Opening/Closing Frequency 120 times/min)
DC1V 1mA
Withstand Voltage
Between coil and contacts, between the poles contact: AC2000V 50 / 60Hz 1min same polarity between contacts: AC1000V 50 / 60Hz 1min
Electrical Durability
200 000 times or more (rated load, switching frequency 1800 times / h, ambient temperature conditions + 23 degree C )
Mechanical Durability
More than 100 million times (switching frequency 18000 times / h)
Compatible Standard
(CSA) standard number: C22.2 No.0, No.14 file No .: LR31928 (LR) 98/10014 (UL) standard number: UL508 file No .: E41515 (VDE) 112467UG
Vibration Resistance (malfunction)
10 ~ 55 ~ 10Hz piece amplitude 0.5mm (double amplitude 1.0mm)
Insulation Resistance (Mohm)
100 or more (at DC500V insulation resistance meter to measure the same place as the withstand voltage)
Recovery Time
20ms when below the rated operating voltage applied.Ambient temperature conditions 23 degree C
Operating Time
20ms when below the rated operating voltage applied.Ambient temperature conditions 23 degree C
Impact Resistance (Malfunction)
Maximum Switching Frequency (times/hour)/rated load
Number of Poles
Operating Voltage
80% or less
Maximum Voltage (V)
110% of the rated voltage
Contact Mechanism
Power Consumption (VA, W)
About 0.9
Contact Maximum Value
Ambient Humidity
5 ~ 85% RH
Indicator Lamp
Inductive Load (cos phi =0.4, L/R = 7 ms)
AC220V 0.8A, DC24V 1.5A
Terminal Shape
Plug-in termination
Maximum Contact Voltage (V)
AC250, DC125
Rated Voltage (V)
Rated Current (mA)
72.7 (when coil temperature of 23 degrees, tolerance DC coil resistance +/- 15%)
Vibration Resistance
10 ~ 55 ~ 10Hz piece amplitude 0.5mm (double amplitude 1.0mm)
Maximum switch Current
AC: 3A (resistive load (cos phi = 1)), 3A (inductive load (cos phi = 0.4)) DC: 3A (resistance load), 3A (inductive load (L / R = 7ms))
Maximum Switching Capacity
AC: 660VA (resistive load (cos phi = 1)) AC: 176VA (inductive load (cos phi = 0.4))
Contact Resistance (mohm)
50 or less (by DC5V 1A voltage drop method)
Operating Ambient Temperature (deg C)
-55 To 70 (freezing, without condensation)
External Dimensions (Width (W)x Depth (D)x Height (H)) (mm)
21.5 The following x 28 x 36 or less below
Diode operation indicator built-in type
Coil Resistance (ohm)
Reference values: 165 (when coil temperature of 23 degrees, tolerance DC coil resistance +/- 15%)
Customer Reviews
5 star 28
4 star 1
3 star 5
2 star 1
1 star 1
Review Rating: 4.50
36 Customer Reviews
The reviews are automatic translation.
Yamaha Integrated Amplifier Relay Exchange
From Japan
On 2018-05-15 18:36:54
In 1987 I used it for the replacement of the Yamaha Integrated Amplifier relay (existing from DEC). It works without problems.
This review is about item#2493014.
Replacing the control box relay
From Japan
On 2018-04-27 10:23:09
At the time of switching on / off, I tried to replace the drive because of error of reading drive. I'd like to exchange another if it is okay to try it for a while.
This review is about item#2492953.
Stereo power amplifier
From Japan
On 2018-03-24 11:14:22
I worried if I do not know because the sound quality is bad, but it is very good.
This review is about item#35080473.
Tape deck repair
From Japan
On 2018-03-20 17:29:03
Since it is a reliable manufacturer's part, I am using it with confidence.
This review is about item#39088646.
Maintenance change
From Japan
On 2018-02-21 15:06:27
It is made by a Japanese manufacturer, so you can trust it very well.
This review is about item#2493041.
During repair and maintenance of equipment
From Japan
On 2018-02-09 17:13:41
We use safe and secure with manufacturer products. I am satisfied with the price as well.
This review is about item#2492953.
Used for switching power supply (inverter output) from solar panel and household power supply
From Japan
On 2017-12-21 13:44:37
Since the control panel of the company that I worked in before was using OMRON products and it was a very reliable part, this time I installed a solar panel on power saving at home and is using it for switching AC power. Switching instantly without cutting, I am very satisfied.
This review is about item#2492987.
For replacing Chinese made relay
From Japan
On 2017-11-23 15:50:12
Because the relay made in China is extremely short in life expectancy, it is not usable unless it is made in Japan.
This review is about item#2493084.
Used for control circuit
From Japan
On 2017-08-20 17:39:12
I could not get it on consecutive holidays, but it was saved because the delivery date was early.
This review is about item#2493041.
Used for opening and closing the motor
From Japan
On 2017-05-28 19:28:39
Since it is made by a trusted manufacturer, I used it with confidence, but it works without problems.
This review is about item#2492996.