Catalyst IE3400 Heavy Duty Series switches in 8-port and 24-port variations

Cisco Catalyst IE3400 Heavy Duty Series switches

Get secure, stable connections in the harshest environments

Support the connectivity, automation, security, and data demands of Industry 4.0 with the ruggedness, reliability, and high performance you need in industrial switches.

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Secure, dependable operations in harsh conditions


Connect, secure, and innovate with Cisco Industrial Ethernet switches

Connect and secure your industrial devices with IP67-rated dustproof and waterproof switches engineered for reliability and high performance in the toughest conditions without enclosures.

Connect reliably anywhere

On factory floors. In underground mines. In oil and gas fields, chemical plants, and outdoor sites. The versatile Catalyst IE3400 Heavy Duty industrial switches connect everything everywhere.

Enable advanced industrial controls

Keep operations performing at their peak with advanced resiliency and industrial protocols, support for multiple ring topologies, and time sensitive networking.

Optimize operations with IT best practices

Simplify operations with enterprise-grade networking features of the Cisco IOS XE operating system and network management with Cisco Catalyst Center.

Protect operations against modern cyber threats 

No extra appliance needed. Get deep visibility into OT assets and cyber risks, TrustSec network segmentation, and secure remote access built into your switch to easily secure industrial operations at scale.

Catalyst IE3400 Heavy Duty Series models


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Cisco Industrial Ethernet portfolio

See the whole range, compare features, and find the right fit for you.

Advanced OT security you can scale

Get comprehensive visibility, segmentation, and secure remote access fused into your industrial network to easily protect operations against modern threats.

Empower OT teams to maximize uptime

Detect and resolve networking issues faster with an OT-centric, agentic AI system that proactively diagnoses anomalies and provides OT teams with actionable solutions.

The knowledge you need, in one place

Find out more about the Catalyst IE3400 Heavy Duty Series in blogs, overviews, demos, and product guides.

Get expert guidance

Get the answers you are looking for by consulting with one of our experts, who will work with you to put together the right Industrial Ethernet solution for your organization.