Omron limit switch D4A-4918N

9737 INR/Piece

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Product Details:

Mechanical Life 20,000,000 operations min.
Protection Level IP67
Temperature Range -40 to 100C
Rated Voltage 125V AC/DC
Number of Module 1
Finish Type Matte
Response Time 20 ms max.
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Omron limit switch D4A-4918N Price And Quantity

Price 9737 INR/Piece
Minimum Order Quantity 1 Piece

Omron limit switch D4A-4918N Product Specifications

Operating Temperature -40 to 100 Celsius (oC)
Max. Current 10A (at 250VAC)
Circuit Type SPDT (1a 1b)
Insulation Resistance 100 M min. (at 500 VDC)
Automation Grade Automatic
Size Approx. 40 x 80 x 40 mm (WxHxD)
Max. Voltage 125 Volt (V)
Current Rating 10A
Finish Type Matte
Response Time 20 ms max.
No Of Poles 1 Pole
Stoke 26 mm (plunger full stroke)
Material Die-cast zinc alloy and resin
Temperature Range -40 to 100C
Rated Voltage 125V AC/DC
Number of Module 1
Contact Resistance 25 m max. (initial value)
Mechanical Life 20,000,000 operations min.
Mounting Type Panel Mount
Product Type Switch
Protection Level IP67
Weight Approx. 180 g
Color Grey/Black

Omron limit switch D4A-4918N Trade Information

Delivery Time 1 Days
Sample Available Yes
Packaging Details Ready stock
Main Domestic Market All India

Product Description

General-purpose Limit switch, General load, IP67, Snap action, 4-circuit double break type, DPST-NO/DPST-NC, Rotary action, G1/2, Front mounting/Back mounting.

We are authorized channel partner, dealers, distributors, suppliers for OMRON, PANASONIC, FUJI ELECTRIC, PHOENIX CONTACT, FESTO, CANON, SUPVAN, EPSON ROBOTS and Super Stockiest, Wholesalers for MITSUBISHI ELECTRIC, PROFACE, BANNER, SCHNEIDER ELECTRIC, SIEMENS, MEANWELL, AUTONICS, DELTA, SICK Etc.

Note : We are also Importers and Exporters for all Industrial Automation products along with manufacturers of Electrical Control Panels.

Reliable Performance in Industrial Automation

The Omron D4A-4918N limit switch provides consistent operation in demanding environments. Its top roller plunger ensures accurate detection, and snap action delivers swift switching. Designed to endure extreme temperatures and moisture (IP67 rating), this switch is an ideal choice for automation systems requiring high reliability and long lifecycle performance.

Robust Construction for Long Service Life

Built from die-cast zinc alloy and resin, this limit switch resists impact and vibration up to 1,000 m/s2 and 10-55 Hz. It maintains stable performance even with continuous use, thanks to a mechanical life of 20 million operations and an electrical life minimum of 500,000 cycles. The device's silver alloy contacts ensure low resistance and dependable conductivity.

FAQ's of Omron limit switch D4A-4918N:

Q: How do I install the Omron D4A-4918N limit switch?

A: Installation is straightforward using the panel mount configuration. Connect your wiring to the screw terminals and route cables through the M20 conduit entry. Ensure the switch is securely mounted and environmental seals are correctly positioned for optimal IP67 protection.

Q: What applications is the D4A-4918N limit switch best suited for?

A: This switch is ideal for industrial automation, control panels, and machinery requiring precise limit detection. Its robust construction, high resistance to shock and vibration, and wide operating temperature range make it suitable for harsh industrial settings.

Q: When should the Omron D4A-4918N be replaced?

A: Although the switch is rated for at least 20 million mechanical operations and 500,000 electrical cycles, its replacement should be considered when the actuation feels inconsistent, signs of physical wear appear, or resistances exceed specified limits, potentially impacting performance.

Q: Where can I use the D4A-4918N considering its environmental ratings?

A: With an IP67 rating and operational range from -40C to 100C with humidity from 35% to 95% RH, you can install the switch in environments with high moisture, dust, or temperature fluctuations without compromising its function.

Q: What are the advantages of using a snap action switch type in this model?

A: Snap action switching guarantees rapid actuation, minimizing response time (20 ms max.) and reducing contact wear. This results in enhanced durability and reliable operation even in fast-paced or repetitive application cycles.

Q: How does the D4A-4918N contribute to automation safety and reliability?

A: Its SPDT (1a 1b) circuit type provides reliable switching feedback, while certifications (IEC, EN, UL, CSA) guarantee compliance with international safety standards. Its rugged construction and precise actuation improve machinery safety and reduce maintenance interventions.

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