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LUMBERG 031803 Circular connector

The Lumberg E circular connectors are designed with threaded joints compliant with IEC 61076-2-106, offering IP40/IP67/IP68 protection levels. They feature an insulating body made of flame-retardant PA GF, making them suitable for demanding environments. The contact pins are copper-zinc, silver- and gold-plated, with tin-plated solder areas. These connectors support connectable conductors of 0.75 mm² (AWG 20) and 0.25 mm² (AWG 24), with rated currents up to 5A. They are ideal for industrial automation, machinery, and control systems, providing secure front mounting and reliable electrical connections.

Authorized Distributors
Source:Newark
Part No:0318 03
Stock:98
Inv Date:06-15-2026
Price: Unit price: $1.74
Buy/RFQ:
Source:DigiKey
Part No:0318 03
Stock:83
Inv Date:06-15-2026
Price: Unit price: $9.03
Buy/RFQ:
Part No:0318 03
Stock:0
Inv Date:06-15-2026
Price: Unit price: $16.36
Buy/RFQ:
Part No:0318-03
Stock:0
Inv Date:06-15-2026
Price: Unit price: $1.53
Buy/RFQ:

LUMBERG 031803 Circular connector Specifications:

  • Protection Ratings: IP40/IP67/IP68 according to IEC 60529
  • Material: Insulating body made of flame-retardant PA GF, V-0 UL94
  • Contact Pins: CuZn, silver-plated, flash gold-plate, tin-plated in solder area
  • Housing: Zinc diecast, pre-copper and nickel-plated
  • Sealing Material: EPDM
  • Temperature Range: -40°C to +85°C
  • Tightening Torque: 1±3 N·m for connector and nut
  • Connectable Conductors: 0.75 mm² (AWG 20), 0.25 mm² (AWG 24)
  • Rated Current: 3A (12-14 poles), 5A (3-8 poles)
  • Rated Voltage: 250-300V depending on version
  • Overvoltage Category: I (UL), 160V - 1500V, varies by version
  • Electrical Resistance: >100 MΩ
  • Dimensions and Dimensions: Threaded joint, front mounting, compatible with various pole configurations
  • Environmental Conditions: Suitable for -40°C to +85°C operation

Buy the Buy Lumberg E Circular Connectors Part Number 031803 Online

Order the Lumberg E circular connector with threaded joint and sealed terminals online today. Designed for front mounting, these robust connectors offer IP68 protection, making them ideal for demanding industrial applications. Featuring high-quality copper-zinc contact pins, flame-retardant insulating bodies, and reliable solder terminals, they ensure safe, durable, and efficient electrical connections. Perfect for automation, machinery, and control systems, these connectors support various conductor sizes and are tested for lasting performance in harsh conditions. Purchase online now for quick delivery and industrial-grade reliability.

Get Lumberg E connector with threaded joint and IP68 protection today—built for precision and long-lasting durability in industrial environments.

Frequently Asked Questions

Where can I buy LUMBERG 031803?

You can click on the BUY or RFQ button to purchase 031803 from an authorized LUMBERG distributor.

How do I troubleshoot issues or seek technical support for part 031803?

You can download the 031803 datasheet or visit the LUMBERG website for support.

Who is the manufacturer of 031803?

LUMBERG

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