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LUMBERG 030703 Circular Threaded Connector

The Lumberg 0307 03 is a robust circular connector designed for demanding industrial applications. Featuring a threaded M16 joint and IP67/IP68 ingress protection, it provides reliable connectivity in harsh environments. The connector's PA GF insulating body and Zn diecast housing ensure durability, while its threaded design offers secure and vibration-resistant connections. It is suitable for chassis mounting and printed circuit board applications, commonly used in automation, industrial control, and power transmission systems.

Authorized Distributors
Source:DigiKey
Part No:0307 03
Stock:64
Inv Date:06-15-2026
Price: Unit price: $9.78
Buy/RFQ:
Part No:0307 03
Stock:0
Inv Date:06-15-2026
Price: Unit price: $6.5
Buy/RFQ:

LUMBERG 030703 Circular Threaded 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, tin-plated in solder area (3-8 poles); CuZn, pre-nickel and gold-plated, tin-plated in solder area (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
  • Rated Current (3-8 poles): 5 A (at Tamb 40 °C)
  • Rated Current (12-14 poles): 3 A (at Tamb 40 °C)
  • Rated Voltage (Pollution Degree 1): 300 V
  • Rated Voltage (Pollution Degree 2): 250 V
  • Rated Impulse Voltage: 1500 V
  • Material Group: II (IEC) / 1 (UL)
  • Insulation Resistance: > 100 MΩ
  • Contact Resistance: ≤ 5 mΩ
  • Dimensions A: 8.2 mm
  • Dimensions B: 17.8 mm
  • Packaging: Cardboard box

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Frequently Asked Questions

Where can I buy LUMBERG 030703?

You can click on the BUY or RFQ button to purchase 030703 from an authorized LUMBERG distributor.

How do I troubleshoot issues or seek technical support for part 030703?

You can download the 030703 datasheet or visit the LUMBERG website for support.

Who is the manufacturer of 030703?

LUMBERG

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