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LUMBERG 030404 Threaded Circular Connector

The LUMBERG 0304 04 is a robust circular connector designed for demanding industrial environments. It utilizes a threaded M16 joint for secure connections and offers IP67/IP68 protection against dust and water ingress. The connector features solder terminals and is intended for front mounting, making it suitable for applications requiring a reliable and sealed electrical connection. Constructed with PA GF, CuZn, and Zn diecast materials, it ensures durability and long-term performance. Available in various pole configurations (3-14 poles) to accommodate diverse circuit requirements.

Authorized Distributors
Source:Newark
Part No:0304 04
Stock:58
Inv Date:06-15-2026
Price: Unit price: $3.17
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Source:DigiKey
Part No:0304 04
Stock:140
Inv Date:06-15-2026
Price: Unit price: $9.9
Buy/RFQ:
Part No:0304 04
Stock:38
Inv Date:06-15-2026
Price: Unit price: $10.1
Buy/RFQ:
Part No:0304-04
Stock:0
Inv Date:06-15-2026
Price: Unit price: $2.04
Buy/RFQ:

LUMBERG 030404 Threaded Circular Connector Specifications:

  • Temperature Range: −40 °C/+85 °C
  • Insulating Body: PA GF, V-0 according to UL94
  • Contact Bush: CuZn, silver-plated and flash gold-plated (3-8 poles), CuZn, pre-nickel and gold-plated (12-14 poles)
  • Housing: Zn diecast, pre-copper and nickel-plated
  • Ring Screw: CuZn, nickel-plated
  • Seal: CR (flat), NBR (O-ring)
  • Insertion Force/Contact: ≤ 5.0 N
  • Withdrawal Force/Contact: ≥ 1.2 N (3-8 poles), ≥ 0.9 N (12-14 poles)
  • Tightening Torque Connector: 1-3 Nm
  • Tightening Torque Nut: 1-3 Nm
  • Protection Class: IP68
  • Connectable Conductors: ≤ 0.75 mm² (AWG 20) (3-8 poles), ≤ 0.25 mm² (AWG 24) (12-14 poles)
  • Rated Current: 5 A (Tamb 40 °C, 3-8 poles), 3 A (Tamb 40 °C, 12-14 poles)
  • Rated Voltage: 300 V (versions 03, 04, 05-1, 06, 07), 100 V (versions 05, 07-1, 08, 08-1), 160 V (versions 12, 14) (pollution degree 1), 250 V (versions 03, 04), 32 V (versions 05, 07-1, 08, 08-1), 160 V (versions 05-1, 06, 07, 12, 14) (pollution degree 2)
  • Rated Impulse Voltage: 1500 V (versions 03, 04, 05-1, 06, 07, 12, 14), 500 V (versions 05, 07-1, 08, 08-1)
  • Material Group: II (IEC)/1 (UL)
  • Insulation Resistance: > 100 MΩ
  • Pole Number: 3-14
  • Packaging: Cardboard box
  • PU (Pieces): 50
  • MDQ (Pieces): 100

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Frequently Asked Questions

Where can I buy LUMBERG 030404?

You can click on the BUY or RFQ button to purchase 030404 from an authorized LUMBERG distributor.

How do I troubleshoot issues or seek technical support for part 030404?

You can download the 030404 datasheet or visit the LUMBERG website for support.

Who is the manufacturer of 030404?

LUMBERG

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