MY2F datasheet(17/36 Pages) OMRON

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MY(S)

Plastic Sealed Relays:

MYQ4

Specifications

Contact Ratings

* This value was measured at a switching frequency of 120 operations per minute.

* With no icing or condensation.

Characteristics

Engineering Data

Type

Item

Resistive load

Inductive load

(cos φ = 0.4, L/R = 7 ms)

Rated load

1 A at 220 VAC, 1 A at 24 VDC

0.5 A at 220 VAC, 0.5 A at 24 VDC

Rated carry current

1 A

Maximum contact voltage

250 VAC, 125 VDC

Maximum contact current

1 A

Maximum switching capacity

(reference value)

220 VAC, 24 W

110 VAC, 12 W

Failure rate P value

(reference value)

Single contacts: 1 mA at 1 VDC, Bifurcated contacts: 100

μA at 1 VDC

Contact form

4PDT, 4PDT (Bifurcated)

Contact materials

Au plating + Ag

Ambient operating temperature

−55 to 60° C*

Ambient operating humidity

5% to 85%

Contact resistance*1

50 m

Ω max.

Note: The values at the left 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.

Ambient temperature condition:

23° C

*3. Measurement conditions: For 500

VDC applied to the same location

as for dielectric strength

measurement.

*4. This value is for bifurcated

contacts.

*5. Ambient temperature condition:

23° C

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

Dielectric

strength

Between coil and contacts

1,500 VAC at 50/60 Hz for 1 min.

Between contacts of different polarity

1,500 VAC at 50/60 Hz for 1 min.

Between contacts of the same polarity

1,000 VAC at 50/60 Hz for 1 min.

Insulation resistance*3

100 M

Ω 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/s2

Malfunction

200 m/s2

Endurance

Mechanical

AC: 50,000,000 operations (5,000,000*4) min., DC: 100,000,000 operations

(5,000,000*4) min. (switching frequency: 18,000 operations/h)

Electrical*5

200,000 operations min. (100,000 operations*4) (rated load, switching

frequency: 1,800 operations/h)

Weight

Approx. 35 g

Maximum Switching Capacity Endurance Curve

H2S Gas Data

Malfunctioning Shock

MYQ4(Z)

MYQ4

Energized

X’

Z’

Y’

550

400

600

300

550

600

400

600

250

600

700

Unit: m/s2

Not energized

N = 20

Measurement: Shock was applied

3 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

Shock

direction

DC inductive load

(L/R = 7 ms)

DC resistive load

AC resistive load

AC inductive load

(cos φ = 0.4)

0.01

0.03

0.05

0.07

0.1

0.5

0.3

0.7

310

100

500 1,000

300

Contact voltage (V)

24 VDC resistive load

24 VDC inductive load (L/R = 7 ms)

220 VAC resistive load

220 VAC inductive load (cos φ = 0.4)

100

300

500

700

1,000

0.4

0.6

0.8

1.0

0.2

1.2

Contact current (A)

Note: The durability of bifurcated

contacts is one-half that of

single contacts.

max.

N=10

min.

Measurements: Temperature: 40° C, Humidity: 60% to 70%,

H2S concentration: 5 ±3 ppm

The change in contact resistance was measured after

leaving the Relay in the above environment for a fixed

amount of time, then removing it to a constant-temperature

and constant-humidity environment for at least 30 minutes.

310

100

500 1,000

300

Standing time (h)

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