MY4H DC24

Overview of Omron MY4H-DC24

The Omron MY4H-DC24 is a miniature power relay with a 24 V DC coil voltage and 4PDT (4-pole double throw) contact configuration. It features single contact construction with Au plating over Ag contacts for excellent reliability and low contact resistance. This relay is hermetically sealed for enhanced durability and resistance in harsh industrial environments. It is suitable for PCB mounting with a coil power consumption of about 0.9 W.

Key Features of Omron MY4H-DC24

• Coil Voltage: 24 V DC.
• Contact Form: 4PDT, single contact.
• Contact Material: Au plating on silver alloy.
• Contact Ratings: 3 A resistive load at 110 VAC, 3 A resistive load at 24 VDC, 0.8 A inductive load at 110 VAC, 1.5 A inductive load at 24 VDC.
• Hermetically Sealed: Provides excellent protection against dust and moisture.
• Switching Capacity: Up to 330 VA resistive, 88 VA inductive at AC voltages.
• Operating Temperature: -25 to 60 °C with no freezing or condensation.
• Operating Frequency: Mechanical: up to 18,000 operations/hour; Electrical: 1,800 operations/hour at rated load.
• Mounting: Soldering type for PCB installation.
• Dimensions: Compact miniature size, weight approximately 50 g.

Technical Specifications of Omron MY4H-DC24

Model	MY4H-DC24
Coil Voltage	24 V DC
Contact Form	4PDT (single contact)
Contact Material	Au plating + Ag alloy
Contact Rating (Resistive Load)	3 A at 110 VAC, 3 A at 24 VDC
Contact Rating (Inductive Load)	0.8 A at 110 VAC, 1.5 A at 24 VDC
Contact Max Voltage	125 VAC / 125 VDC
Power Consumption	Approx. 0.9 W
Operating Temperature	-25 to 60 °C
Operating Frequency	Mechanical: 18,000 operations/hr, Electrical: 1,800 operations/hr
Insulation Resistance	100 MΩ minimum at 500 VDC
Dielectric Strength	1000 VAC (coil to contacts), 700 - 1000 VAC (between contacts)
Vibration & Shock Resistance	Destruction: 1000 m/s²; Malfunction: 200 m/s²
Weight	Approx. 50 g
Mounting	PCB soldering

Applications / Use Cases

The MY4H-DC24 relay is suitable for use in industrial control equipment, measuring instruments, and systems requiring hermetically sealed miniature power relays with multiple poles and high switching reliability.

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Verification Links:
https://www.ia.omron.com/product/item/35420/
https://www.mouser.com/ProductDetail/Omron-Automation-and-Safety/MY4H-US-DC24
https://industrial.omron.eu/en/products/MY4H-24VDC