Lumberg 0304-2/0305-2 Circular Connector Handbook

About this manual

The Lumberg SWUM™ circular connectors 0304-2 (front mounting) and 0305-2 (rear mounting) are designed for harsh environments and comply with IEC 61076‑2‑106 and AISG specifications. They provide a secure threaded joint and solder‑type terminals for reliable connections.

Key specifications include a temperature range of –40 °C to +85 °C, IP68 protection when mated (IP67 when unmated), a rated current of 5 A, rated voltage of 360 V AC, contact resistance ≤ 5 mΩ, insertion force ≤ 5 N, withdrawal force ≥ 1.2 N, and a maximum wire cross‑section of 0.75 mm². Materials consist of PA/V2 contact carriers, CuZn contacts, Zn die‑cast housing, and NBR sealing gaskets. This manual is written in German.

What's inside

• Temperature range
• Materials
• Mechanical data
• Electrical data
• IP protection rating
• Mounting options
• Wire size

Specifications

Frequently asked questions

What is the operating temperature range of the Lumberg 0304-2 and 0305-2 connectors?

They operate from –40 °C up to +85 °C.

What are the rated current and voltage for the 0304-2/0305-2 series?

The connectors are rated for 5 A and 360 V AC.

What is the maximum wire size that can be used with these connectors?

A wire cross‑section up to 0.75 mm² is supported.