What are the electrical parameters (voltage / current / contact material) of the M9 connector?

M9 Connector Standard Electrical Specifications (Octopusconn)

Rated Voltage : 30V DC / 60V AC (some models up to 125V AC), suitable for industrial low-voltage power supply.
Rated Current : Single core 1–4A, total current ≤16A for 8-core (derating usage).
Contact Material : Gold-plated (Au) contacts, contact resistance ≤5mΩ, salt spray 48h no corrosion, stable signal transmission.
Operating Temperature : -40℃～+85℃, adapted to industrial wide-temperature environments.

Electrical Performance Parameters

Voltage & Current Ratings

Rated Voltage :
• Standard: 30V DC / 60V AC
• Extended: Partial models up to 125V AC
• Suitable for industrial control & sensor systems

Rated Current :
• Single core: 1–4A
• 8-core total current ≤16A (derating required)
• Stable power & signal transmission

Contact Performance & Temperature Resistance

Gold-plated Contacts :
• Contact resistance ≤5mΩ, low loss
• Salt spray resistance: 48h without rust
• Anti-oxidation, stable long-term signal

Operating Temperature :
• Wide temperature range: -40℃ to +85℃
• Adapt to cold & high-temperature industrial sites
• Maintain performance in extreme environments

Performance Advantages

Octopusconn M9 connectors adopt gold-plated contacts and wide-temperature design, with excellent salt spray resistance and electrical stability. The voltage and current specifications fully meet the needs of industrial sensors, miniature equipment and control systems, ensuring reliable operation in harsh industrial environments.

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