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LUMBERG 030603 Circular Threaded Connector

The LUMBERG 0306 03 is a robust circular connector designed for demanding industrial applications. It utilizes a threaded M16 joint, providing a secure and reliable connection. The connector's IP67/IP68 rating ensures protection against dust and water ingress, making it suitable for harsh environments. Constructed with a PA GF insulating body and a Zn diecast housing, it offers excellent mechanical strength and durability. Typical applications include industrial automation, power transmission, and data communication where a secure and environmentally protected connection is required.

Authorized Distributors
Source:Newark
Part No:0306 03
Stock:52
Inv Date:06-15-2026
Price: Unit price: $1.78
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Part No:030603
Stock:0
Inv Date:06-16-2026
Price: N/A
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Part No:0306 03
Stock:0
Inv Date:06-15-2026
Price: Unit price: $8.01
Buy/RFQ:
Part No:0306-03
Stock:0
Inv Date:06-15-2026
Price: Unit price: $1.35
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LUMBERG 030603 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 (Versions 03, 04, 05-1, 06, 07): 300 V
  • Rated Voltage (Versions 05, 07-1, 08, 08-1): 100 V
  • Rated Voltage (Versions 12, 14): 160 V
  • Rated Impulse Voltage: 1500 V (certain versions), 500 V (other versions)
  • Material Group: II (IEC) / 1 (UL)
  • Insulation Resistance: > 100 MΩ
  • Contact Resistance: ≤ 5 mΩ
  • A Dimension (mm): 16.0
  • B Dimension (mm): 17.8
  • Pole Options: 3, 4, 5, 6, 7, 8, 12, 14
  • Packaging: Cardboard box

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Frequently Asked Questions

Where can I buy LUMBERG 030603?

You can click on the BUY or RFQ button to purchase 030603 from an authorized LUMBERG distributor.

How do I troubleshoot issues or seek technical support for part 030603?

You can download the 030603 datasheet or visit the LUMBERG website for support.

Who is the manufacturer of 030603?

LUMBERG

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