Datasheet

9
MY
Characteristics
Engineering Data
List of Actual Load Endurance (Refer to Engineering Data on page 20.)
Item Type
Standard
models
Models with built-
in operation
indicators
Models with
built-in CR
circuits
Models with
built-in
diodes
Model with built-in
operation indicator
and diode
Model with built-in
operation indicator
and CR circuit
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)
Electrical
*4
200,000 operations min.
(rated load, switching frequency: 1,800 operations/h)
ItemNumber of poles 4 poles Note: These are initial values.
Failure rate P value
(reference value)
*5
1 mA at 1 VDC
*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.
Weight Approx. 35 g
Model Load type Conditions Switching frequency
Electrical durability
(operations min.)
MY4 DC24V
AC magnetic switch
35 VA at 100 VAC
Making current: 4 A,
Steady-state current: 0.35 A
ON: 1s
OFF: 3s
500,000
DC solenoid
40 W at 24 VDC
Steady-state current:
1.6 A, L/R = 10 ms
Surge-absorbing diode connected
ON: 0.5s
OFF: 1.5s
500,000
20 W at 24 VDC
Steady-state current:
0.8 A, L/R = 10 ms
Surge-absorbing diode connected
ON: 0.5s
OFF: 1.5s
1,000,000