Product Features of OMRON Industrial Relays
Model of Industrial Relays |
Height |
Width |
Depth |
MY4 (Z) H |
35 |
22 |
28.5 |
MYQ4 (Z) (N) |
35.5 |
21.5 |
28 |
MY (excluding MY2N-CR AC24, MY2Z-CR, MY2ZN-CR, MY4N-CR AC24, MY□F, MY4ZF), MYK |
36 |
21.5 |
28 |
MY□F, MY4ZF |
36 |
22.5 |
44 |
MY2N-CR AC24, MY2Z-CR, MY2ZN-CR, MY4N-CR AC24 |
53 |
21.5 |
28 |
Model Configuration of OMRON Industrial Relays
Category of Industrial Relays |
Number of Poles |
Contact |
Plug-in Terminal of Industrial Relays |
PCB Terminal |
Top Mount Type |
With Operation Indicator |
Without Operation Indicator |
With Latching Lever |
Standard Type (Electrical Appliance and Material Safety Law Compliant) |
2 |
Single |
MY2N |
MY2 |
MY2IN(S) |
MY2-02 |
MY2F |
2 |
Twin |
MY2ZN |
MY2Z |
― |
― |
― |
3 |
Single |
MY3N |
MY3 |
― |
MY3-02 |
MY3F |
4 |
Single |
MY4N |
MY4 |
MY4IN(S) |
MY4-02 |
MY4F |
4 |
Twin |
MY4ZN |
MY4Z |
MY4ZIN(S) |
― |
MY4ZF |
Built-in Diode for Coil Surge Absorption (Coil specification: DC only) |
2 |
Single |
MY2N-D2 |
MY2-D |
MY2IN-D2(S) |
― |
― |
2 |
Twin |
MY2ZN-D2 |
MY2Z-D |
― |
3 |
Single |
MY3N-D2 |
MY3-D |
― |
4 |
Single |
MY4N-D2 |
MY4-D |
MY4IN-D2(S) |
4 |
Twin |
MY4ZN-D2 |
MY4Z-D |
MY4ZIN-D2(S) |
Built-in CR Circuit for Coil Surge Absorption (Coil specification: AC only) |
2 |
Single |
MY2N-CR |
MY2-CR |
― |
― |
― |
4 |
Single |
MY4N-CR |
MY4-CR |
― |
4 |
Twin |
MY4ZN-CR |
MY4Z-CR |
― |
High Contact Reliability |
4 |
Twin |
MY4ZN-CBG |
MY4Z-CBG |
― |
― |
― |
Plastic-Sealed Type |
4 |
Single |
MYQ4N |
MYQ4 |
― |
― |
― |
4 |
Twin |
MYQ4ZN |
MYQ4Z |
― |
― |
Latching Type (Coil Latching) |
2 |
Single |
― |
MY2K |
― |
MY2K-02 |
― |
Hermetic Type |
4 |
Single |
― |
MY4H |
― |
― |
― |
4 |
Twin |
MY4ZH |
― |
Dimensional Drawing of OMRON Industrial Relays

Dimension diagram for MY2, MY2N, MY2-D, MY2N-D2, MY2-CR, MY2N-CR (Unit: mm)
※ The height for MY2N-CR AC24 is less than 53 mm.
Terminal Layout/Internal Connection Diagram (BOTTOM VIEW) of OMRON Industrial Relays
Model MY2N of of Industrial Relays |
DC Specification |
AC Specification |
 No Coil Polarity |
 No Coil Polarity |
Model MY2
(AC/DC Specification)

No Coil Polarity
Model MY2-D
(DC Specification Only)

Coil Polarity Present
Model MY2N-D2
(DC Specification Only)

Coil Polarity Present
Model MY2-CR
(AC Specification Only)

No Coil Polarity
Model MY2N-CR
(AC Specification Only)

No Coil Polarity
Note 1: AC specifications include a self-diagnosis function for coil disconnection.
Note 2: LED color is red for AC and green for DC.
Note 3: The operation indicator shows power to the coil and is not based on contact operation.
※ For types and model numbers not mentioned above, please refer to the manufacturer catalog.
Catalog Product Information of OMRON Industrial Relays
- *See the catalog for any types or model numbers other than those detailed above.