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Omron H3DK-M2 AC-DC24-240V Digital Timer Multi-Function Universal Supply — front view

Omron H3DK-M2 AC-DC24-240V Digital Timer Multi-Function Universal Supply

SKU: H3DK-M2 AC-DC24-240V

USD 28.00

Omron H3DK-M2 is a multi-function digital timer with AC/DC24-240V universal supply for flexible industrial timing applications.

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Product Overview

The H3DK-M2 AC-DC24-240V provides a practical interface between controller outputs and field loads. In high-cycle or uptime-sensitive applications, this class of component supports cleaner switching behavior, reduced wear concerns, and easier panel-level standardization.

Controller-to-Load Interface Reliability

Relay/SSR devices isolate control electronics from field-side switching demands and provide a practical interface layer in mixed-load control systems.

High-Cycle Switching Practicality

For frequent switching duty, proper relay/SSR selection improves panel reliability and can reduce maintenance compared with under-rated or mismatched alternatives.

Panel Standardization Benefits

Using consistent relay/SSR classes across equipment simplifies wiring conventions, spare inventory, and technician troubleshooting workflows.

Key Features

  • Supply Voltage: AC/DC24-240V (universal)
  • Timing Range: 0.05s to 300h (6 ranges)
  • Timing Modes: 6 modes: ON-delay, OFF-delay, interval, etc.
  • Output: SPDT relay (5A at 250VAC)
  • Display: 6-digit LCD
  • Mounting: Panel mount (48x48mm)
  • SKU: H3DK-M2 AC-DC24-240V
  • Series: H3DK
  • Voltage: 240V
  • I/O: 5 I/O

Best-Fit Applications

  • Isolates controller outputs from field loads
  • Provides reliable switching for control branches
  • Supports higher cycle operation with proper selection
  • Improves panel maintainability and spare planning
  • Reduces unplanned downtime from contact wear issues
  • Enables cleaner wiring architecture in control cabinets

Buying Checklist

  • Practical controller-to-load interface
  • Supports high-duty panel switching
  • Improves reliability with proper sizing
  • Aids standardization of control wiring
  • Strong lifecycle service value

Technical Specifications

Model H3DK-M2 AC-DC24-240V
Series H3DK
Type Multi-Function Digital Timer
Supply Voltage AC/DC24-240V (universal)
Timing Range 0.05s to 300h (6 ranges)
Timing Modes 6 modes: ON-delay, OFF-delay, interval, etc.
Output SPDT relay (5A at 250VAC)
Display 6-digit LCD
Mounting Panel mount (48x48mm)
Operating Temperature -10 to +55°C
Reset Input Yes (voltage or contact)
Gate Input Yes (run/stop control)

FAQ for H3DK-M2 AC-DC24-240V

What are the 6 timing modes and when do I use each?
1) ON-delay: delay after input signal. 2) OFF-delay: delay after input removed. 3) Interval: fixed ON time after trigger. 4) Signal ON-delay: delay after signal ON. 5) Signal OFF-delay: delay after signal OFF. 6) Summing: accumulate time across multiple cycles. Choose based on control sequence requirements.
What's the advantage of universal supply?
AC/DC24-240V works with any control voltage: 24VDC (PLC systems), 110VAC (US control panels), 230VAC (European systems). One timer model for global equipment, simplifying inventory and service.
How accurate is this timer?
±0.5% of set value ±20ms. For 10 second setting: ±50ms + 20ms = ±70ms accuracy. Sufficient for most industrial timing. For higher accuracy (±0.1%), consider H7CX series.
Can I remotely reset or start/stop the timer?
Yes, voltage reset input (apply 24V to reset) or contact reset (short reset terminals). Gate input controls run/stop. Use PLC outputs or push buttons for remote control.
What applications commonly use multi-function timers?
Machine sequencing (delay motor start), process timing (heat/cool cycles), conveyor control (delayed stop), safety circuits (delayed restart after E-stop), packaging (dwell time control).

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