Moxa PT-7528-24TX-HV IEC 61850-3 Managed Ethernet Switch

Technical Overview

Managed IEC 61850-3 switch with 24x 10/100TX ports, 1 GE slot, -40 to 85°C, IP40, and redundant 110/220 VAC/VDC power.

Key Features

IEC 61850-3 and IEEE 1613 compliant for power substations.
Noise Guard™ wire speed zero packet loss technology.
Turbo Ring and Turbo Chain (recovery time < 20 ms), RSTP/STP, and MSTP for network redundancy.
Built-in MMS server based on IEC 61850-90-4 switch data modeling for power SCADA.
24 x 10/100BaseT(X) ports and 1 slot for Gigabit Ethernet module.
Wide operating temperature range of -40 to 85°C.
IP40-rated aluminum housing for industrial durability.
Supports EtherNet/IP and Modbus TCP industrial Ethernet protocols.
Advanced cybersecurity features including IEEE 802.1X, RADIUS, TACACS+, HTTPS, and SSH.

Technical Specification Matrix

Parameter	Value
Input Voltage	85 to 264 VAC, 88 to 300 VDC (110/220 VAC/VDC)
Operating Temperature	-40 to 85°C (-40 to 185°F)
IP Rating	IP40
Housing Material	Aluminum
Installation	19-inch rack mounting
Ports	24 x 10/100BaseT(X) RJ45, 1 x Gigabit Ethernet module slot (up to 28 ports total)
Switching Capacity	12.8 Gbps
Forwarding Capacity	12.8 Gbps
Certifications	IEC 61850-3, IEEE 1613, EN 50155 (parts of), NEMA TS2, UL 508, EN 55032 Class A, CISPR 32, FCC Part 15B Class A
Physical Weight (kg)	4.9
Dimensions L x W x H (cm)	32.5 x 44 x 4.4

Industrial Applications

1. Power Substation Automation

This switch is ideal for core networking within electrical power substations, connecting Intelligent Electronic Devices (IEDs) for control, monitoring, and data acquisition.

Problem Solved

Ensures highly reliable and secure real-time communication for critical power grid operations in electromagnetically noisy and wide-ranging temperature environments. Its IEC 61850-3 and IEEE 1613 compliance, along with Noise Guard technology and redundant power, are explicitly designed for this challenge, preventing data loss and ensuring continuous operation.

IEC 61850-3IEEE 1613SCADAIEDsEMCRedundant Power-40 to 85°C

2. Rail Transportation Control Systems

Deployment in railway wayside control cabinets or station network infrastructure to manage signaling, communication, and surveillance systems.

Problem Solved

Provides robust and reliable Ethernet connectivity in environments subject to extreme temperatures, vibrations, and electrical interference. Compliance with parts of EN 50155 and NEMA TS2 indicates its suitability for transportation, and its wide operating temperature and IP40 rating ensure resilience.

EN 50155NEMA TS2Traffic ControlRail SignalingVibration Resistance-40 to 85°CIP40

3. Heavy Industrial Process Control

Used as a central or aggregation switch in factories, chemical plants, or mining operations to connect PLCs, HMIs, and other industrial devices.

Problem Solved

Offers a rugged and reliable network backbone for critical industrial processes that require stable communication in harsh, dusty (IP40), and thermally challenging environments. The wide temperature range, robust aluminum housing, and support for industrial protocols like EtherNet/IP and Modbus TCP make it suitable for maintaining network uptime in these demanding conditions.

EtherNet/IPModbus TCPPLCHMIIndustrial AutomationExtreme TemperaturesIP40Redundant Network