Omron MY4H Manuale utente

Hermetically Sealed Relay MY4H 1

Hermetically Sealed Relay

MY4H

Hermetically Sealed Relay Ideal for

Hazardous Locations

• Class 1 Division 2 approved.

• Fully hermetically sealed for hazardous locations.

• Cadmium-free contacts for environment-friendly use.

• Models with bifurcated contact also available.

• Conforms to UL508 and CSA 22.2.

Model Number Structure

■Model Number Legend

1. Number of Poles

4: 4 poles

2. Contact

Blank: Single

Z: Bifurcated

3. Enclosure ratings

H: Hermetically sealed

4. Approval

US: Class 1 Division 2 approval

5. Rated voltage

12 VDC, 24 VDC, 24 VAC, 110/120 VAC

Ordering Information

■List of Models

MY- - -

12345

Type Contact form Plug-in socket/solder terminals

Hermetically sealed 4PDT

4PDT (bifurcated)

MY4H-US

MY4ZH-US

2Hermetically Sealed Relay MY4H

Specifications

■Ratings

Coil

Contact Ratings

■Characteristics

Rated voltage (V) Rated current (mA) Coil resistance

(Ω)

Must operate

voltage

Must release

voltage

Max. voltage Power

consumption

50 Hz 60 Hz

DC 12 75 160 80% max. 10% min. 110% 900 mW

24 36.9 650

AC 110/120 9.9/10.8 8.4/9.2 4,430 30% min. 0.9-1.1 VA

(60 Hz)

24 53.8 46 180

Contact material Ag alloy

Rated load Resistive

p.f.=1

110 VAC, 3 A

24 VDC, 3 A

Inductive

p.f.=0.4

L/R–7 ms

110 VAC, 8 A

24 VDC, 1.5 A

Rated carry current 3 A

Max. switching voltage 125 VAC, 125 VDC

Max. switching current 3 A

Max. switching power 330 VA

72 W

Contact resistance 50 mΩmax.

Operate time 20 ms max.

Release time 20 ms max.

Max. operating

frequency

Mechanical: 18,000 operations/hr

Electrical: 1,800 operations/hr (under rated load)

Insulation resistance 100 MΩmin. (at 500 VDC)

Dielectric strength 1,000 VAC, 1 min between coil and contacts

1,000 VAC, 1 min between contacts of different polarity

700 VAC, 1 min between contacts of same 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:

When energized: 200 m/s2

When not energized: 200 m/s2

Endurance Mechanical: Single contact: 50,000,000 operations

Bifurcated contact: 5,000,000 operations

Electrical: 100,000 operations. (Single contact)

50,000 operations. (Bifurcated contact)

Ambient temperature Operating: –25 to 60°C

Ambient humidity Operating: 5% to 85%

Weight Approx. 50 g

Hermetically Sealed Relay MY4H 3

Engineering Data

Maximum Switching Power Endurance

MY4(Z)H MY4H

Dimensions

DC resistive load

AC resistive load

Switching voltage (V)

110 VAC resistive load

24 VDC resistive load

Switching current (A)

Note: The endurance is half for bifurcated contact models.

Switching current (A)

Endurance (x104operations)

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

DC inductive load

(L/R = 7 ms)

AC inductive

load (cosφ=0.4)

110 VAC inductive

load (cosφ=0.4)

MY4(Z)H 2.6

6.4

Fourteen, 1.2-dia.×3, round holes

Solder Terminal Models

35 max.

28.5 max.

22 max.

(There is no coil polarity.)

(BOTTOM VIEW)

Terminal Arrangement/

Internal Connections

4Hermetically Sealed Relay MY4H

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

Cat. No. J131-E1-02

Socket

Track-mounted Socket Conforming to

Class 1 Division 2

• Special Socket with Class 1 Division 2 approval.

• Holding clips contribute to safety by preventing the Relay

falling out of the Socket due to vibration.

■Ordering Information

Note: 1. Class 1 Division 2 approval is obtained for use with the MY4(Z)H Relay.

2. Clips are not included.

■Dimensions

■Accessory (Option)

Item Pole Mode

Track-mounted socket 4 PYF14A-E-US

14-M3x8

6−0.1

+0.2

PYF14A-E-US

72 max.

29.5 max.

Note: Track mounting is also

possible.

(TOP VIEW)

Two, M3, M4, or 4.5-dia holes

31 max.

(Top View)

Mounting Holes

Tow, 4.2x5

mounting

Terminal Arrangement/

Internal Connections

36.3

4.5

4.5 1.2

PYC-A1

(2 pcs per set)

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