Siemens 6ES5755-4AA11 N-Type Coaxial Connector

Robust Network Connection for Industrial Ethernet

The Siemens 6ES5755-4AA11 SIMATIC NET N-Type coaxial connector provides a secure, weatherproof connection for industrial Ethernet networks. This connector ensures reliable signal transmission in harsh factory and outdoor environments. Industrial networking demands robust physical interfaces, and this component delivers that durability consistently.

Electrical and Mechanical Specifications

This N-Type coaxial connector features a precision-machined brass body with a nickel-plated finish for corrosion resistance. The connector operates across a frequency range from DC to 11 GHz, supporting high-speed data transmission. Its impedance matches standard 50-ohm coaxial cables, ensuring minimal signal reflection. Furthermore, the connector includes a silicone rubber O-ring that provides IP67-rated sealing against dust and moisture ingress.

Parameter	Specification
Model	Siemens 6ES5755-4AA11
Connector Type	N-Type (male)
Impedance	50 Ω
Frequency Range	DC to 11 GHz
Insertion Loss	< 0.05 dB at 2.4 GHz
Return Loss	> 20 dB at 2.4 GHz
Cable Compatibility	RG-58, RG-213, LMR-400
Protection Rating	IP67 (with cable)
Body Material	Brass with nickel plating
Contact Material	Beryllium copper with gold plating
Operating Temperature	-40°C to +85°C
Mating Cycles	> 500
Dimensions (L x Dia.)	55 mm x 22 mm
Weight	0.05 kg

Mechanical Durability and Environmental Resistance

This connector features a threaded coupling mechanism that provides a vibration-proof connection. The precision-machined interface ensures consistent electrical performance across numerous mating cycles. An internal clamping system accommodates cable diameters from 4 mm to 10 mm. Furthermore, the connector withstands extreme temperatures and humidity, making it suitable for outdoor installations.

Signal Integrity and Performance Characteristics

The Siemens 6ES5755-4AA11 maintains excellent return loss characteristics, minimizing signal degradation in long cable runs. The gold-plated center contact ensures low contact resistance and prevents oxidation over time. This connector supports data rates up to 10 Gbps, accommodating future network upgrades. Additionally, its 50-ohm impedance matches most industrial Ethernet and wireless communication equipment.

Installation and Crimping Guidelines

You can install this connector using standard coaxial crimping tools with interchangeable dies. The connector package includes a crimp ferrule and a sealing grommet for weatherproof cable entry. Always strip the cable jacket to the specified length before attaching the connector. Use the appropriate crimp tool to achieve the correct compression force for reliable connections.

Compatibility and Application Areas

This N-Type connector works with Siemens industrial Ethernet switches, access points, and antennas. The connector also suits PROFINET and other industrial communication networks requiring coaxial cabling. You can use this component in both indoor control cabinets and outdoor masts or towers. For best performance, match the connector impedance with the cable characteristic impedance.