Datasheet
17
MY
Characteristics
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
*3. Measurement conditions: For 500 VDC applied to the same location as for dielectric strength measurement.
*4. Ambient temperature condition: 23° C
*5. This value was measured at a switching frequency of 120 operations per minute.
Dimensions (Unit: mm)
Item Number of poles
2 or 3 poles 4 poles 4 poles, bifurcated contacts
Contact resistance
*1
50 mΩ max.
Operation time
*2
20 ms max.
Release time
*2
20 ms max.
Maximum
operating
frequency
Mechanical 18,000 operations/h
Rated load 1,800 operations/h
Insulation resistance
*3
100 MΩ min.
Dielectric
strength
Between coil and contacts
2,000 VAC at 50/60 Hz for 1 min.
Between contacts of
different polarity
Between contacts of the
same polarity
1,000 VAC at 50/60 Hz for 1 min.
Vibration
resistance
Destruction 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
Malfunction 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
Shock resistance
Destruction 1,000 m/s
2
Malfunction 200 m/s
2
Endurance
Mechanical
AC: 50,000,000 operations min.
DC: 100,000,000 operations min.
(switching frequency: 18,000 operations/h)
AC: 20,000,000 operations min.
(switching frequency: 18,000
operations/h)
Electrical
*4
500,000 operations min.
(rated load, switching frequency:
1,800 operations/h)
200,000 operations min.
(rated load, switching frequency:
1,800 operations/h)
100,000 operations min.
(rated load, switching frequency:
1,800 operations/h)
Item Number of poles 2 or 3 poles 4 poles 4 poles, bifurcated contacts
Failure rate P value (reference value)
*5
1 mA at 5 VDC 1 mA at 1 VDC 100 µA at 1 VDC
Weight Approx. 35 g
36 max.
21.5 max.
28 max.
*Dimensions in parentheses are for the MY4-02.
3.5
1
3.3 (2.6)*
0.5
0.5
4
6.3
2 poles 3 poles 4 poles
13.2
13.2
13.2
4.4
4.3
4.1
6.3
6.35
12.65
3.75
Eight, 1.3-dia. ±0.1 holes
Eleven, 1.3-dia. ±0.1 holes
Fourteen, 1.3-dia. ±0.1 holes
Relays with PCB Terminals
MY@-02
PCB Processing Dimensions (Bottom View)
Note: 1. The dimensional tolerance is ±0.1.
2. Refer to the terminal arrangement and
internal connections diagrams for the
MY2, MY3, MY4, and MY4Z.
The figures and dimensions given
here are for the MY4-02.
The 2-pole and 3-pole models
conform to these dimensions.