MY
Characteristics
Models with built- Models with
Model with built-in
operation indicator
and diode
Models with
built-in CR
circuits
Models with built-in
CR circuits and
operation indicators
Standard
models
Item
Type
in operation
indicators
built-in
diodes
Contact resistance*1
Operation time*2
Release time*2
50 mΩ max.
20 ms max.
20 ms max.
Maximum Mechanical
operating
frequency
Insulation resistance*3
18,000 operations/h
1,800 operations/h
100 MΩ min.
Rated load
Between coil and contacts
2,000 VAC at 50/60 Hz for 1 min.
Between contacts of
different polarity
Dielectric
strength
Between contacts of the
same polarity
1,000 VAC at 50/60 Hz for 1 min.
Destruction
Malfunction
Destruction
Malfunction
Mechanical
Electrical*4
10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
1,000 m/s2
Vibration
resistance
Shock
resistance
200 m/s2
50,000,000 operations min. (operating frequency: 18,000 operations/h)
200,000 operations min. (rated load, switching frequency: 1,800 operations/h)
Endurance
Item
Number of poles
2 poles
Note: These are initial values.
*1. Measurement conditions: 1 A at 5 VDC using the voltage drop method.
*2. Measurement conditions: With rated operating power applied.
Ambient temperature condition: 23° C
Failure rate P value
(reference value)*5
100 µ
A
at 1 VDC
*3. Measurement conditions: For 500 VDC applied to the same location as for dielectric strength measurement.
Weight
Approx. 35 g
*4. Ambient temperature condition: 23°C
*5. This value was measured at a switching frequency of 120 operations per minute.
Dimensions
(Unit: mm)
MY2Z, MY2ZN, MY2Z-D, MY2ZN-D2, MY2Z-CR,
and MY2ZN-CR
Terminal Arrangement/
Internal Connections
(Bottom View)
MY2ZN
DC Models
AC Models
Standard Models
2.6
Eight, 1.2-dia. × 2.2 oval holes
0.5
28 max.
(The coil has no polarity.)
(The coil has no polarity.)
36 max.
6.4
Check the coil polarity when wiring
and wire all connections correctly.
21.5 max.
* For theMY2Z-CR and MY2ZN-CR,
Note: 1. An AC model has coil disconnection self-
diagnosis.
this dimension is 53 mm max.
2. For the DC models, check the coil polarity when
wiring and wire all connections correctly.
3. The indicator is red for AC and green for DC.
4. The operation indicator indicates the
energization of the coil and does not represent
contact operation.
MY2Z-D
MY2ZN-D2
MY2Z-CR
MY2ZN-CR
1
4
5
9
8
12
13
14
Check the coil polarity when wiring
and wire all connections correctly.
(The coil has no polarity.)
(The coil has no polarity.)
Check the coil polarity when wiring
and wire all connections correctly.
5