PYF14-ESS-B datasheet(21/36 Pages) OMRON

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MY(S)

Hermetically Sealed Relays: MY4(Z)H

Specifications

Contact Ratings

* With no icing or condensation.

Characteristics

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.

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

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

minute.

Engineering Data

Load

MY4H

MY4ZH

Item

Resistive

load

Inductive load

cos φ = 0.4

L/R = 7 ms

Resistive

load

Inductive load

cos φ = 0.4

L/R = 7 ms

Rated load

3 A at 110 VAC

3 A at 24 VDC

0.8 A at 110 VAC

1.5 A at 24 VDC

3 A at 110 VAC

3 A at 24 VDC

0.8 A at 110 VAC

1.5 A at 24 VDC

Rated carry

current 3 A

Maximum contact

voltage

125 VAC

125 VDC

Maximum contact

current

3 A

Contact form 4DPDT

4DPDT (Bifurcated)

Contact materials Au plating + Ag

Ambient operating

temperature

−25 to 60° C*

Ambient operating

humidity

5% to 85%

Contact resistance*1

50 m

Ω 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*4

100 M

Ω min.

Dielectric

strength

Between coil

and contacts

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

(700 VAC between contacts of the same polarity.)

Between contacts

of different polarity

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

50,000,000 operations (5,000,000 operations*4) min.

(operating frequency: 18,000 operations/h)

Electrical*5

100,000 operations (50,000 operations*4) min. rated

load, switching frequency: 1,800 operations/h)

Failure rate P value

(reference value)*6

Single contacts: 100

μA at 1 VDC

Bifurcated contacts: 100

μA at 100 mVDC

Weight

Approx. 50 g

Maximum Switching Capacity

Endurance Curve

MY4(Z)H

MY4H

Note: The durability of bifurcated contacts is one-half that of single contacts.

DC inductive load

(L/R = 7 ms)

DC resistive load

AC resistive load

AC inductive load

(cos φ = 0.4)

0.1

0.5

100

500

Contact voltage (V)

110 VAC resistive load

24 VDC resistive load

100

500

Contact current (A)

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

110 VAC inductive load

(cos φ = 0.4)

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