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LUMBERG WKV40 Industrial Circular Connector

The Lumberg E WKV40 circular connector features a robust IP67/IP68 rated threaded joint, solder terminals, and a V-0 UL94 insulating body. Designed for industrial environments, it operates from -40°C to +85°C, ensuring reliable performance in harsh conditions. Constructed with copper-zinc contact bushes, nickel- and gold-plating, and steel components, it provides easy connection with solder conductors, rated for 3A at 40°C and a maximum voltage of 300V for pollution degree 1 environments. Suitable for automation, control systems, and sensor connections, this connector ensures durability and safety in demanding applications.

Authorized Distributors
Source:DigiKey
Part No:WKV 40
Stock:64
Inv Date:06-15-2026
Price: Unit price: $14.24
Buy/RFQ:
Part No:WKV 40
Stock:0
Inv Date:06-15-2026
Price: Unit price: $11.9
Buy/RFQ:
Source:Arrow EU
Part No:WKV 40
Stock:100
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

LUMBERG WKV40 Industrial Circular Connector Specifications:

  • Insulating body: PA GF, V-0 UL94
  • Contact material: CuZn, silver- and flash gold-plated
  • Ground contact spring: CuZn, pre-nickel and tin-plated
  • Housing: PC, UL94 HB
  • Operating temperature: -40°C to +85°C
  • Pin configurations: 3 to 12 poles, solder terminals, cable diameter 4-6 mm
  • Insertion force/contact: 5.0 N
  • Withdrawal force/contact: 1.9 N (12 poles), 3-8 poles 2.0 N
  • Tightening torque: connector +3 Nm, nut +3 Nm
  • Protection class: IP67/IP68 in locked condition
  • Rated current: 3A (12 poles), 5A (3-8 poles)
  • Rated voltage: 300V (pollution degree 1), 160V to 250V depending on version
  • Contact resistance: 5 mΩ
  • Overvoltage category: Overvoltage category 1
  • Design: Angular version, threaded joint, solder terminals

Buy the Buy Lumberg Circular Connector Part Number WKV40 Online

Enhance your industrial connectivity with the Lumberg WKV40 circular connector, featuring a threaded joint, solder terminals, and IP67/IP68 rating. Operating from -40°C to +85°C, it ensures reliable performance in harsh environments. Constructed with high-quality copper-zinc contact bushes, nickel- and gold-plated surfaces, steel components, and UL94 V-0 rated housing, this connector is ideal for automation, control, and sensor connections. Pre-assembled in a sturdy cardboard box, it offers easy installation, durability, and safety in demanding industrial scenarios.

Buy Lumberg WKV40 now and experience unmatched durability with threaded joint, solder terminals, and IP67/IP68 protection for industrial applications.

Frequently Asked Questions

Where can I buy LUMBERG WKV40?

You can click on the BUY or RFQ button to purchase WKV40 from an authorized LUMBERG distributor.

How do I troubleshoot issues or seek technical support for part WKV40?

You can download the WKV40 datasheet or visit the LUMBERG website for support.

Who is the manufacturer of WKV40?

LUMBERG

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