Industrial Ethernet Switch

Product Specifications

Technical details and manufacturing context for Industrial Ethernet Switch

Definition

An Industrial Ethernet Switch is a specialized networking device built to withstand harsh industrial conditions including extreme temperatures, vibrations, electromagnetic interference, and dust. It provides reliable data communication between industrial control systems, PLCs, sensors, actuators, and other networked devices in automation and manufacturing environments, supporting real-time industrial protocols and deterministic networking requirements. The switch typically features a metal housing, industrial-grade circuit boards, and industrial connectors to ensure durability. It offers a range of port configurations (8–24 ports) with speeds of 10/100/1000 Mbps, operating over a temperature range of -40 to 75°C and accepting a power supply voltage of 9–36 VDC. Redundancy protocols such as STP/RSTP/MSTP and ERPS are supported, and the device provides an ingress protection rating of IP40 to IP65. Switching capacity ranges from 16 to 56 Gbps, with a MAC address table size of 8–16K entries. Mounting options include DIN rail and panel, and the enclosure is made of aluminum or steel. Dimensions vary from compact to rack-mount sizes (50–440 x 100–300 x 80–200 mm), with a weight of 0.5–5 kg. The mean time between failures (MTBF) is 100,000–500,000 hours, and the device complies with EMC/EMI standards EN 61000-6-2 and EN 61000-6-4. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The Industrial Ethernet Switch operates by receiving data packets from connected devices through its Ethernet ports, examining the destination MAC addresses in each packet's header, and forwarding the packets only to the appropriate output ports based on its MAC address table. It uses store-and-forward switching to ensure data integrity, supports various industrial protocols (such as PROFINET, EtherNet/IP, Modbus TCP), and implements Quality of Service (QoS) mechanisms to prioritize critical industrial traffic. Advanced models include features like ring topology support for network redundancy, VLAN segmentation for traffic isolation, and industrial-grade power supplies for reliable operation in harsh conditions.

Common Materials

Metal Housing, Industrial-grade Circuit Boards, Industrial Connectors

Technical Parameters

Parameter	Typical range	Notes & selection driver
Number of PortsRequired	8–24 ports	Total number of Ethernet interfaces available for device connections
Port SpeedRequired	10/100/1000 Mbps/Gbps	Maximum data transfer rate supported by each Ethernet portIEEE 802.3
Operating Temperature RangeRequired	-40–75 °C	Minimum and maximum ambient temperature at which the switch operates reliably
Power Supply VoltageRequired	9–36 VDC	Input voltage range accepted by the switch's power supply
Redundancy Protocol Support	STP/RSTP/MSTP, ERPS protocols	Industrial network redundancy protocols supported (e.g., RSTP, MRP, PRP)IEEE 802.1D, 802.1w, 802.1s
Ingress Protection RatingRequired	IP40–IP65 IP code	Level of protection against solid objects and liquids (e.g., IP20, IP40, IP67)IEC 60529
Switching Capacity	16–56 Gbps	Backplane bandwidth
MAC Address Table Size	8–16 K entries	Number of learned MAC addresses
Mounting Type	DIN rail, panel	DIN rail for cabinet installation
Enclosure Material	Aluminum, steel	Ruggedized for industrial environments
Dimensions (W x H x D)	50–440 x 100–300 x 80–200 mm	Compact to rack-mount sizes
Weight	0.5–5 kg	Depends on port count and enclosure
MTBF	100000–500000 hours	Reliability indicator
EMC/EMI Standards	EN 61000-6-2, EN 61000-6-4	Industrial immunity and emissionEN 61000-6-2, EN 61000-6-4

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Main Circuit Board
Processes network traffic, manages switching functions, and implements industrial protocols

Material: Industrial-grade FR4 PCB with conformal coating
Metal Enclosure Part
Provides physical protection, heat dissipation, and electromagnetic shielding

Material: Aluminum or steel with protective coating
Industrial Ethernet Ports Part
Physical interfaces for connecting network cables to industrial devices

Material: Industrial-grade RJ45 connectors with protective covers
Power Supply Unit
Converts input power to required voltages for internal components

Material: Industrial-grade power components with wide input range
Status Indicators
LED lights showing port activity, link status, and system health

Material: LED components with protective lenses
Redundant Power Input Part
Additional power input connector for backup power supply connection

Material: Industrial-grade power connectors
DIN Rail Mounting Kit Part
Hardware for mounting the switch on standard industrial DIN rails

Material: Steel mounting brackets
MAC Address Table
The learned table the forwarding decisions are looked up in.

Application & selection

Application Fit & Sizing Matrix

Operational Limits

pressure:	N/A (atmospheric)
other spec:	IP40 ingress protection, 24-48V DC power input, 10-100 Mbps data rate
temperature:	-40°C to 75°C

Media Compatibility

✓ Manufacturing plant air (clean, dry) ✓ Automation control cabinet interior ✓ Warehouse logistics network

Unsuitable: Outdoor marine/salt spray environment

Sizing Data Required

Number of Ethernet ports required
Network topology (star, ring, linear)
Power redundancy requirement (single/dual power input)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Power supply failure

Cause: Electrolytic capacitor degradation due to heat stress and voltage spikes from industrial power fluctuations

Port/interface failure

Cause: Corrosion and physical damage from environmental contaminants (dust, moisture, chemicals) and connector wear

Maintenance Indicators

Frequent network packet loss or communication interruptions
Unusual LED indicator behavior (flashing patterns, color changes, or dark ports)

Engineering Tips

Implement environmental controls: maintain clean, temperature-stable conditions with proper IP-rated enclosures for harsh areas
Establish regular firmware updates and configuration backups to prevent software-related failures and enable quick recovery

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards

ISO/IEC 24702: Industrial communication networks - Fieldbus specifications ANSI/TIA-1005: Telecommunications Infrastructure Standard for Industrial Premises DIN EN 50173-3: Information technology - Generic cabling systems - Part 3: Industrial premises

Quoted from the published standard.

Manufacturing Precision

Port Alignment: +/-0.5mm
Case Flatness: 0.2mm

Quality Inspection

Environmental Stress Screening (ESS)
Electromagnetic Compatibility (EMC) Testing

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Industrial Ethernet Switch

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

USR IOT Technology

Jinan and Suzhou, China (factories per official site; origin to be verified), CN

The current PUSR USR-ISG/ISF are complete industrial Ethernet switches; the official site describes ports, DIN rail mounting, power supply and cooling, and the company profile describes factories in Jinan and Suzhou. Confirm management, PoE and redundancy by end devices, topology and the specific order model; dual power is not a data-link ring, and ordinary forwarding is not real-time network certification.