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LUMBERG 030504 Threaded Circular Connector

The LUMBERG 0305 04 circular connector is a robust solution for industrial applications requiring reliable and protected connections. It utilizes a threaded M16 joint for secure fastening and offers IP67/IP68 ingress protection, ensuring resistance to dust and water. Designed for back-side mounting with solder terminals, this connector is ideal for applications in harsh environments where durability and secure connectivity are paramount. It is constructed with PA GF insulating body, CuZn contact bush, Zn diecast housing, and CR/NBR seals, ensuring long-term performance and reliability.

Authorized Distributors
Source:Newark
Part No:0305 04
Stock:16
Inv Date:06-15-2026
Price: Unit price: $11.51
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Source:DigiKey
Part No:0305 04
Stock:50
Inv Date:06-15-2026
Price: Unit price: $10
Buy/RFQ:
Part No:0305 04
Stock:97
Inv Date:06-15-2026
Price: Unit price: $3.73
Buy/RFQ:

LUMBERG 030504 Threaded Circular Connector Specifications:

  • Temperature Range: −40 °C/+85 °C
  • Insulating Body Material: PA GF, V-0 (UL94)
  • Contact Bush Material: CuZn, silver-plated and flash gold-plated (3-8 poles) / CuZn, pre-nickel and gold-plated (12-14 poles)
  • Housing Material: Zn diecast, pre-copper and nickel-plated
  • Ring Screw Material: CuZn, nickel-plated
  • Seal Material: 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 Conductor Section: ≤ 0.75 mm² (AWG 20) (3-8 poles) / ≤ 0.25 mm² (AWG 24) (12-14 poles)
  • Rated Current (Tamb 40 °C): 5 A (3-8 poles) / 3 A (12-14 poles)
  • Rated Voltage (Pollution Degree 1): 300 V (versions 03, 04, 05-1, 06, 07) / 100 V (versions 05, 07-1, 08, 08-1) / 160 V (versions 12, 14)
  • Rated Voltage (Pollution Degree 2): 250 V (versions 03, 04) / 32 V (versions 05, 07-1, 08, 08-1) / 160 V (versions 05-1, 06, 07, 12, 14)
  • 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
  • Packaging: Cardboard box

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Frequently Asked Questions

Where can I buy LUMBERG 030504?

You can click on the BUY or RFQ button to purchase 030504 from an authorized LUMBERG distributor.

How do I troubleshoot issues or seek technical support for part 030504?

You can download the 030504 datasheet or visit the LUMBERG website for support.

Who is the manufacturer of 030504?

LUMBERG

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