General-purpose Latching Relay

MYK

75

Specifications

■ Coil Ratings

Note: 1. For AC models, the rated current values are half-wave rectified current values measured with a DC ammeter.

2. The rated current and coil resistance are measured at a coil temperature of 23

°C with tolerances of +15%/–20% for AC rated current and

±15% for DC rated current, and +15% for DC coil resistance.

3. The AC coil resistance values are for reference only.

4. Performance characteristic data are measured at a coil temperature of 5

°C to 35°C.

■ Contact Ratings

*Note:

P level:

λ

■ Characteristics

Note: The data shown above are initial values.

Rated voltage

Set coil

Reset coil

Must-set

voltage

Must-

reset

voltage

Max.

voltage

Power

consumption

(Approx.)

Rated current

Resistance

Rated current

Resistance

% of rated voltage

Set coil

Reset

coil

50 Hz

60 Hz

50 Hz

60 Hz

AC

12 V

57 mA

56 mA

72

Ω

39 mA

38.2 mA 130

Ω

80%

max.

80%

max.

110%

0.6 to 0.9

(60 Hz)

0.2 to 0.5

(60 Hz)

24 V

27.5 mA 26.4 mA 320

Ω

18.6 mA 18.1 mA 550

Ω

50 V

14.0 mA 13.4 mA 1,400

Ω

3.5 mA

3.4 mA

3,000

Ω

100 V

7.1 mA

6.9 mA

5,400

Ω

3.5 mA

3.4 mA

3,000

Ω

DC

12 V

110 mA

110

Ω

50 mA

235

Ω

1.3 W

0.6 W

24 V

52 mA

470

Ω

25 mA

940

Ω

Item

Resistive load (cos

φ = 1)

Inductive load (cos

φ = 0.4) (L/R = 7 ms)

Rated load

3 A at 220 VAC, 3 A at 24 VDC

0.8 A at 220 VAC, 1.5 A at 24 VDC

Rated carry current

3 A

Max. switching voltage

250 VAC, 125 VDC

Max. switching current

3 A

Max. switching power

660 VA, 72 W

176 VA, 36 W

Failure rate* (reference value)

1 mA at 1 VDC

Contact resistance

50 m

Ω max.

Set time

Time:

AC: 30 ms max.; DC: 15 ms max.

Min. pulse width:

AC: 60 ms.; DC: 15 ms.

Reset time

Time:

AC: 30 ms max.; DC: 15 ms max.

Min. pulse width:

AC: 60 ms.; DC: 15 ms.

Max. operating frequency

Mechanical: 18,000 operations/hr

Electrical:

1,800 operations/hr (under rated load)

Insulation resistance

100 M

Ω min. (at 500 VDC)

Dielectric strength

1,500 VAC, 50/60 Hz for 1 min (1,000 VAC between contacts of same polarity and between set and reset

coils)

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

Endurance

Mechanical: 100,000,000 operations min. (at 18,000 operations/hr)

Electrical:

200,000 operations min. (at 1,800 operations/hr)

Ambient temperature

Operating:

–55

°C to 60°C (with no icing)

Ambient humidity

Operating:

5% to 85%

Weight

Approx. 30 g