ABB TB521-ETH Ethernet switch module

ABB TB521-ETH

The ABB TB521-ETH is an Ethernet switch module designed for industrial and substation automation, often used in ABB’s Relion® protection relays (e.g., 615/650 series) to enable high-speed IEC 61850 communication. Below are its key technical parameters:

General Specifications:

Model: TB521-ETH
Type: Industrial Ethernet Switch Module
Compatibility: Designed for ABB Relion® 615/650 series protection relays
Function: Provides IEC 61850-compliant Ethernet communication (GOOSE, MMS, Sampled Values)

Network & Communication Parameters:

✔ Ports:

4x Fast Ethernet (10/100 Mbps) ports (RJ45, auto-negotiation)
Fiber optic port (optional, 100 Mbps, ST/LC connector)
✔ Protocols Supported:
IEC 61850-8-1 (GOOSE, MMS)
IEC 61850-9-2 (Sampled Values, optional)
Modbus TCP
DNP3 over TCP (optional)
✔ VLAN Support: IEEE 802.1Q (traffic prioritization)
✔ Time Synchronization:
IRIG-B (DC or modulated)
PTP (IEEE 1588, Precision Time Protocol, optional)

Electrical & Environmental:

Power Supply:
24 V DC (typical, via relay backplane or external input)
Operating Temperature: -40°C to +70°C
Protection Class: IP20 (indoor use)
EMC Immunity: Complies with IEC 61000-6-2, IEC 61000-6-4

Main Brand:

ABB Allen-Bradley Alstom Bently Emerson Foxboro

GE MOOG Schneider Woodward HIMA Honeywell

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•Shipping Port: Xiamen

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons

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