D4A-1101N

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Overview of Omron D4A-1101N

The Omron D4A-1101N is a robust general-purpose limit switch featuring a roller lever actuator. It offers a single-pole double-throw (SPDT) double-break contact configuration designed for reliable switching in industrial environments. This model includes a conduit receptacle box with 1/2-14 NPT thread and is noted for its enhanced sealing, shock resistance, and mechanical strength.

Key Features of Omron D4A-1101N

  • Contact Configuration: SPDT double-break
  • Actuator Type: Roller lever
  • Contact Rating: 10 A (AC), 10 A (DC)
  • Contact Voltage : Max 600 VAC, 250 VDC
  • Operating Force: Max 0.39 N·m
  • Operating Temperature Range: -40°C to 100°C
  • Protection Rating: IP67 (dust tight and waterproof)
  • Seal: Double seal on the head; complete gasket cover for enhanced sealing
  • Mechanical Life: 50,000,000 operations minimum (roller lever SPDT double-break)
  • Electrical Life: 1,000,000 operations minimum (10 A resistive load, 125 VAC)
  • Insulation Resistance: 100 MΩ minimum at 500 VDC
  • Contact Resistance: 25 mΩ max (initial value)
  • Mounting: Block mounting method for easy maintenance

Technical Specifications of Omron D4A-1101N

Specification Details
Model Number D4A-1101N
Contact Type SPDT, double-break
Actuator Roller lever
Contact Current (AC Max) 10 A
Contact Current (DC Max) 10 A
Contact Voltage Max 600 VAC / 250 VDC
Operating Force 0.39 N·m max
Protection Rating IP67
Operating Temperature Range -40 to 100°C
Mechanical Life 50 million operations minimum
Electrical Life 1 million operations minimum at resistive load
Insulation Resistance ≥ 100 MΩ (at 500 VDC)
Contact Resistance ≤ 25 mΩ (initial)

Applications / Use Case

The Omron D4A-1101N limit switch is widely used in industrial automation for position detection, endpoint sensing, and safety interlocking in machinery requiring rugged switches with high sealing and mechanical endurance. Its IP67 rating and robust sealing make it suitable for harsh environments including outdoor and wet applications.


Verification Links:
Mouser Electronics - D4A-1101N
Omron D4A Series Limit Switches
D4A Series Datasheet (PDF)
D4A-1101N

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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