Moxa PT-7528-8SSC-16TX-4GSFP-HV-HV Managed Industrial Switch

Technical Overview

IEC 61850-3 managed industrial Ethernet switch with 8 SSC fiber, 16 TX, 4 SFP ports, redundant 110/220V power, -40 to 85°C.

Key Features

IEC 61850-3 and IEEE 1613 (power substations) compliant.
Built-in MMS server based on IEC 61850-90-4 switch data modeling for power SCADA.
Noise Guard™ technology for wire speed zero packet loss.
Turbo Ring and Turbo Chain with recovery time < 20 ms @ 250 switches, RSTP/STP, and MSTP for network redundancy.
Wide operating temperature range of -40 to 85°C.
Equipped with 8 x 100BaseFX single-mode SC connector ports (SSC), 16 x 10/100BaseT(X) RJ45 ports, and 4 x 1000Base SFP Slots.
Gigabit Ethernet capabilities with redundant ring features.
Supports management via web browser, CLI, Telnet/serial console, Windows utility, and ABC-01/ABC-02 automatic backup configurator.
Supports industrial protocols and security features including Modbus TCP, LLDP, SNMP Inform, QoS, IGMP snooping, VLAN, IEEE 802.1X, HTTPS, SNMPv3, and SSH.

Technical Specification Matrix

Parameter	Value
IP Rating	IP40
Operating Temperature	-40 to 85°C (-40 to 185°F). Note: Cold start requires minimum of 100 VAC @ -40°C.
Input Voltage	Redundant power modules: 110/220 VAC/VDC (85 to 264 VAC, 88 to 300 VDC)
Housing Material	Aluminum
Installation	19-inch rack mounting
Switching Capacity	12.8 Gbps
Forwarding Capacity	12.8 Gbps
10/100BaseT(X) Ports	16 (RJ45 connector)
100BaseFX Ports	8 (single-mode, SC connector)
1000BaseSFP Slots	4
Connection	10-pin terminal block
Overload Current Protection	Supported
Reverse Polarity Protection	Supported
Jumbo Frame Size	9.6 KB (9728 bytes)
Max. No. of VLANs	256
VLAN ID Range	VID 1 to 4094
Physical Weight (kg)	4.9
Dimensions L x W x H (cm)	44 x 32.5 x 4.4

Industrial Applications

1. Power Substation Automation Networks

This switch is ideal for core communication infrastructure in electrical power substations, ensuring reliable data exchange between Intelligent Electronic Devices (IEDs) and SCADA systems.

Problem Solved

Guarantees critical real-time communication for protective relays (GOOSE messages) and sampled measured values (SMVs) in harsh electromagnetic environments, preventing data loss and maintaining network redundancy crucial for grid stability, even with wide temperature fluctuations and high voltage inputs.

IEC 61850-3IEEE 1613GOOSESMVsRedundant Power-40 to 85°CZero Packet LossSCADAFiber OpticsEMC immunityHigh Voltage

2. Industrial Process Control in Extreme Environments

Suited for heavy industrial facilities such as mining, oil & gas, or large-scale manufacturing plants where robust network connectivity is vital for process automation and monitoring.

Problem Solved

Provides stable and secure network communication (copper and fiber) under wide temperature swings (-40 to 85°C) and demanding electrical conditions, allowing for uninterrupted control of machinery and sensors where standard commercial switches would fail. The IP40 rating protects against solid ingress, ensuring reliable operation in dusty industrial settings.

-40 to 85°CIP40Redundant PowerGigabit EthernetFiber Optic CommunicationProcess AutomationModbus TCPIIoTHarsh Environment

3. Intelligent Transportation Systems (ITS) Backbone

Deployable as a central switch in intelligent transportation systems, such as traffic control centers or large-scale railway communication networks, requiring high availability and environmental resilience.

Problem Solved

Ensures continuous and secure data flow for traffic management, surveillance, and signaling in outdoor cabinets or unconditioned environments. Its wide operating temperature range and robust design handle thermal extremes, while redundant power and network recovery (Turbo Ring/Chain) prevent communication blackouts crucial for operational safety and efficiency.

-40 to 85°CRedundant RingGigabit EthernetIP40SurveillanceNetwork RedundancyHigh AvailabilityRailway Communication