MY
Latching Relays MYK
When your order, specify the rated voltage.
Ordering information
Relays with Plug-in or Soldered Terminals
Relays with PCB Terminals
Number of poles
2 poles
Number of poles
2 poles
Rated voltage (V)
Classification
Model
Rated voltage (V)
Classification
Model
12 VAC
24 VAC
24 VAC
100 VAC
12 VDC
24 VDC
Standard models
MY2K-02
100 VAC
100/110 VAC
12 VDC
Standard models
MY2K
24 VDC
48 VDC
Ratings and Specifications
Ratings
Operating Coil
Set coil
Reset coil
Rated current (mA)
Power consumption (VA, W)
Item
Set voltage
(V)
Reset
voltage (V)
Maximum
voltage (V)
Rated current (mA)
Coil
resistance (
Coil
Set coil
Reset coil
Ω)
resistance (Ω)
Rated voltage (V)
12
50 Hz
57
60 Hz
56
50 Hz
39
60 Hz
38.2
18.1
3.4
72
320
130
550
Approx. 0.6
to 0.9
(at 60 Hz)
Approx. 0.2
to 0.5
(at 60 Hz)
AC
24
100
12
27.4
7.1
26.4
6.9
18.6
3.5
5,400
110
3,000
235
110%max. of
rated voltage
80% max.
80% max.
110
52
50
25
16
DC
24
470
940
Approx. 1.3
Approx. 0.6
48
27
1,800
3,000
Note: 1. The rated current for AC is the value measured with a DC ammeter in half-wave rectification.
2. The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of +15%/−20% for the AC rated current and 15% for the
DC coil resistance.
3. The AC coil resistance is a reference value only.
4. Operating characteristics were measured at a coil temperature of 23°C.
5. The maximum voltage capacity was measured at an ambient temperature of 23°C.
Contact Ratings
Characteristics
1
Contact resistance*
50 mΩ max.
AC: 30 ms max., DC: 15 ms max.
Load
Inductive load
(cos φ = 0.4, L/R = 7 ms)
Resistive load
Item
2
Time*
Set
3 A at 220 VAC
0.8 A at 220 VAC
1.5 A at 24 VDC
Rated load
Minimum pulse width AC: 60 ms, DC: 30 ms
3 A at 24 VDC
3 A
2
Time*
AC: 30 ms max., DC: 15 ms max.
Rated carry
current
Reset
Minimum pulse width AC: 60 ms, DC: 30 ms
Maximum
operating
frequency
Insulation resistance*
Mechanical
18,000 operations/h
1,800 operations/h
100 MΩ
Maximum contact
voltage
250 VAC, 125 VDC
3 A
Rated load
Maximum contact
current
3 A
3
Between coil
and contacts
Contact structure Single
Contact materials Au plating + Ag
1,500 VAC at 50/60 Hz for 1 min.
1,000 VAC at 50/60 Hz for 1 min.
Between contacts of
different polarity
Dielectric
strength
Ambient operating
−55 to 60° C*
temperature
Between contacts of
the same polarity
Ambient operating
5% to 85%
Between set/
reset coils
humidity
* With no icing or condensation.
10 to 55 to 10 Hz, 0.5-mm single amplitude
(1.0-mm double amplitude)
Destruction
Malfunction
Vibration
resistance
10 to 55 to 10 Hz, 0.5-mm single amplitude
(1.0-mm double amplitude)
Destruction
Malfunction
1,000 m/s2
200 m/s2
Shock
resistance
100,000,000 operations min.
(switching frequency: 18,000 operations/h)
Mechanical
Endurance
200,000 operations min.
(at 1,800 operations/hr, rated load)
4
Electrical*
5
Failure rate P value (reference value)*
1 mA at 1 VDC
Approx. 30 g
Weight
Note: The above values are initial values.
*1. Measurement conditions: 1 A at 5 VDC using the voltage drop method
*2. Measurement conditions: With rated operating power applied, not including contact bounce.
*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.
29
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