H3DS-ML 237783

Overview of Omron H3DS-ML-237783

The Omron H3DS-ML-237783 is a multifunctional solid-state timer suitable for various timing applications in industrial automation. It features a wide power supply range compatible with 24 to 230 VAC and 24 to 48 VDC, a lockable “Smart Dial” for precise time setting, and offers multiple timing functions including ON-delay, flicker ON/OFF start, interval, and one-shot. The timer provides a SPDT relay contact output rated at 5 A, ensuring reliable control.

Key Features of Omron H3DS-ML-237783

• Power Supply Voltage: Wide range from 24 to 230 VAC (50/60 Hz) and 24 to 48 VDC.
• Timing Range: 0.1 seconds to 120 hours across 8 selectable timing ranges for flexible timing requirements.
• Output: SPDT relay output rated for 5 A at 250 VAC resistive load and 5 A at 30 VDC.
• Time Setting: Lockable “Smart Dial” allowing for secure and precise time adjustments.
• Input Type: Voltage input with high level at 20.4 to 253 VAC/DC and low level at 0 to 2.4 VAC/DC.
• Reset Voltage: Maximum 2.4 VAC/DC ensuring stable power reset behavior.
• Power Consumption: AC: max 32 VA (typical 31 VA) at 230 VAC; DC: max 3 W at 24 VDC.
• Operating Temperature & Humidity: -10 to 55°C (no icing), 35% to 85% humidity.
• Installation: DIN rail mounting with screw terminals allowing easy connection and wiring.
• Safety & Durability: High dielectric strength, insulation resistance, vibration, and shock resistance meeting industrial standards.

Technical Specs of Omron H3DS-ML-237783

Model	H3DS-ML-237783
Power Supply Voltage	24 to 230 VAC (50/60 Hz), 24 to 48 VDC
Timing Range	0.1 s to 120 h (8 ranges selectable)
Output	SPDT relay contact
Current Rating	5 A at 250 VAC resistive / 5 A at 30 VDC resistive
Input Type	Voltage input (High: 20.4-253 VAC/DC, Low: 0-2.4 VAC/DC)
Power Consumption	AC: max 32 VA (typ. 31 VA), DC: max 3 W
Reset Voltage	Max 2.4 VAC/DC
Operating Temperature	-10°C to 55°C
Humidity	35% to 85% (non-condensing)
Mounting	DIN rail
Dimensions (W×H×D)	17.5 × 74 × 80 mm
Weight	Approx. 100 g

Applications / Use Case

This timer is used in process control, automation systems, and machinery that require flexible and precise timing functions, including delay on/off, flicker, interval, and one-shot operations, within a compact and reliable package.

---

Verification Links:
https://files.omron.eu/downloads/latest/datasheet/en/h3ds_solid-state_timer_datasheet_en.pdf
https://www.ia.omron.com/products/family/201/specification.html
https://www.mouser.com/ProductDetail/Omron-Automation-and-Safety/E5CC-CX2ASM-804