MY
Engineering Data
Engineering Data
MY2K(-02)
Maximum Switching Capacity
Endurance Curve
10
5
AC resistive load
500
500
AC inductive load
(cos φ = 0.4)
110 VAC resistive load
220 VAC resistive load
110 VAC inductive load
(cos φ = 0.4)
1
100
50
100
50
0.5
DC resistive load
DC inductive load
(L/R = 7 ms)
30 VDC resistive load
220 VAC
inductive load
(cos φ = 0.4)
30 VDC inductive load
(L/R = 7 ms)
0.1
10
10
0
0.5
1
1.5
5
10
50
100
500
0
1
2
3
Contact current (A)
Contact voltage (V)
Contact current (A)
MY2K 100 VAC
Malfunctioning Shock
MY2K 24 VDC
Magnetic Interference
Latching Deterioration Over
(External Magnetic Field)
Time
Y
Not energized
1000
(Average values)
N = 24
Measurement: The rate of deterioration in latching ability was
Energized
Armature deviation
when set
N = 5
measured over time with the Relay left at a normal temperature
(20 to 30°C) after latching by applying the rated voltage.
900
Measurement: The percentage of change in the operating and
release voltages in a uniform external magnetic field
were measured (worst magnetic field direction).
1000
Z
800
X
400
350
N
S
S
N
100
90
80
70
60
700
400
400
80
60
Average value
N = 20
40
20
Measurement: Shock was applied 2
times each in 6 directions along 3
axes with the Relay energized and not
energized to check the shock values
that cause the Relay to malfunction.
Criteria: Non-energized: 200 m/s2
Energized: 200 m/s2
300
Set voltage
40
60
80
400
40
60
80
−20
−40
−60
−80
Reset voltage
X’
Z’
1000
1000
900
Unit: m/s2
1000
Y’
0
50 100
300 500 1,000
5,000 10,000
Uniform magnetic field strength (0e)
Elapsed time (h)
Dimensions
(Unit: mm)
Safety Precautions
• For applications that use a 200 VAC power
supply, connect external resistors Rs and Rr to
a 100 VAC Relay.
Relays with Plug-in Terminals
or Soldered Terminals
MY2K
TerminalArrangement/Internal
Connections (Bottom View)
1
5
4
8
For AC
2.6
9
10
11
12
14
Ten, 1.2-dia. × 2.2 oval holes
0.5
13
Rr
28 max.
Note: R is a resistor for ampere-
turn correction. This resistor
is built-in to 50-VAC and
higher models.
Rs
6.3
Rs: 7.3 kΩ, 3 W min.
Rr: 14.3 kΩ, 1 W min.
Set power supply
0.5
21.5 max.
Reset power supply
36 max.
6.4
(The coil has no polarity.)
•
•
Do not apply a voltage to the set and reset coils at the
same time. If you apply the rated voltage to both coils
simultaneously, the Relay will be set.
Relays with PCB Terminals
MY2K-02
PCB Processing Dimensions
(Bottom View)
The minimum pulse width in the performance column is
the value for the following measurement conditions: an
ambient temperature of 23° C with the rated operating
voltage applied to the coil. The performance values
given here may not be satisfied due to use over time
and a reduction in latching performance due to
changes in the ambient temperature or in the
conditions of the application circuit.
For DC
Note: The dimensional
tolerance is 0.1.
2.6
1
For actual use, apply the rated operating voltage with a
pulse width based on the actual load and reset the
Relay at least once per year to prevent degradation
over time.
If the Relay is used in an environment with strong
magnetic fields, the surrounding magnetic field can
demagnetize the magnetic body and cause unintended
operation. Therefore, do not use these Relays in
environments with strong magnetic fields.
Note: Pay close attention to the set
coil and reset coil polarities. If
the connections are not
correct, unintendedoperation
may occur.
3.5
Ten, 1.3-dia. holes
0.5
28 max.
6.3
•
36 max.
4
21.5 max.
Relay Replacement
To replace the Relay, turn OFF the power supply
to the load and Relay coil sides to prevent
unintended operation and possible electrical
shock.
Applicable Sockets
Use only combinations of OMRON Relays and
Sockets.
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