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Littelfuse 590404U02A Proximity Sensor

The 59040 Press-Fit Reed Sensor is a compact, cylindrical proximity sensor measuring 31.0 mm long, designed for easy press-fit installation into 9.5 mm holes. Suitable for industrial, automation, and IoT applications, it features normally open, normally closed, or change-over contacts, capable of switching up to 200 V at 10 W. Hermetically sealed with an IP67 rating, it operates across a broad temperature range from -40°C to +105°C. The sensor is ideal for non-contact sensing of non-ferrous materials in harsh environments, offering reliability and flexibility for security, factory automation, and proximity detection tasks.

Authorized Distributors
Source:Newark
Part No:59040-4-U-02-A
Stock:163
Inv Date:05-28-2026
Price: Unit price: $6.97
Buy/RFQ:
Source:DigiKey
Part No:59040-4-U-02-A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.87
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Part No:59040-4-U-02-A
Stock:0
Inv Date:05-29-2026
Price: Unit price: $4.18
Buy/RFQ:
Part No:59040-4-U-02-A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.84
Buy/RFQ:
Part No:59040-4-U-02-A
Stock:397
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 590404U02A Proximity Sensor Specifications:

  • Length: 31.0 mm
  • Diameter: 9.5 mm
  • Housing Material: Not specified, white color housing
  • Sealing: IP67 rated, hermetically sealed
  • Operating Temperature: -40°C to +105°C
  • Switching Voltage: Up to 200 V
  • Contact Rating: 10 W
  • Contact Types: Normally open, normally closed, change-over
  • Activation Distance (typical): 12-38 mm depending on sensitivity and application
  • Deactivation Distance (typical): 16-36 mm depending on sensitivity and application
  • Cable Length Options: 100 mm to 1000 mm, UL 105°C PVC cable
  • Connection: Tinned leads or cable options available
  • Standards: UL Recognized (UL 508), CSA, REACH compliant
  • Vibration Tolerance: Up to 30 G
  • Shock Resistance: Up to 100 G sine wave

Buy the Littelfuse 59040U02A – Reliable Proximity Sensor for Industrial Applications

Enhance your automation systems with the reliable and compact proximity sensor designed for harsh industrial environments. Featuring easy press-fit installation, hermetically sealed IP67 housing, and versatile contact options, this sensor ensures dependable non-contact sensing of non-ferrous materials. It supports a broad temperature range from -40°C to +105°C and can handle switching voltages up to 200 V with a contact rating of 10 W. Perfect for security, factory automation, and proximity detection, order online today for efficient deployment and long-term performance.

Get Littelfuse 59040U02A today—built for precision and long-lasting durability in demanding industrial environments.

Frequently Asked Questions

Where can I buy Littelfuse 590404U02A?

You can click on the BUY or RFQ button to purchase 590404U02A from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 590404U02A?

You can download the 590404U02A datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 590404U02A?

Littelfuse

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