BWYX-3028-Z-E24G4-GZK Self-Controllable Substation Network Switch

Product Introduction

The BWYX-3028-Z-E24G4-GZK switch is a high-performance substation network switch developed by our company, featuring 100% domestically produced components and specifically designed for smart substations. It supports four 100/1000BASE‑X (SFP) ports and twenty-four 10/100/1000Base‑TX electrical interfaces. This product delivers high reliability, high availability, and robust security. Built on an advanced design philosophy, it thoroughly accounts for the harsh environmental conditions and various sources of interference commonly encountered in industrial applications. Equipped with state-of-the-art thermal management and low-power technologies, it ensures dependable operation within a temperature range of –40°C… °C In environments up to +70°C, the high‑grade EMC design ensures that the device can meet the demanding requirements of various harsh industrial applications.

Key Features

✅100% domestically produced and fully controllable, using all‑domestic chips, ensuring security and reliability.

✅Complies with industry standards for Ethernet switches in smart substations and State Grid corporate standards.

✅ Supports 4 × 100/1000BASE‑X (SFP) optical ports and 24 × 10/100/1000Base‑TX electrical ports.

✅ Supports State Grid Dispatch Document No. 1084 (2017) and can be connected to a network security monitoring device.

✅ Supports importing CSD configuration files for offline automatic configuration.

✅ Supports IEC 61850 models and file services

✅ Supports multiple management methods, including serial command-line, Telnet, NMS, WEB, and SNMP V1/V2/V3.

✅ Supports redundant power supplies, with flexible configuration options for power input ratings.

✅ Supports a wide range of Layer 2 and Layer 3 features, as well as secure access capabilities.

✅ Certified by the China Academy of Electrical Sciences and awarded the relevant certification.

✅ Rail-mounted installation, operating temperature: -40°C °C ~+70℃

✅ Fanless cooling technology, IP40 protection rating, Industrial Grade 4 EMC standards

Name

Specifications and Parameters

Port

Gigabit optical ports: Supports up to four 100/1000BASE‑X (SFP) optical interfaces.

Gigabit Ethernet ports: Supports up to 24 adaptive 10/100/1000BASE‑T (RJ45) electrical interfaces.

CONSOLE port: RS232, RJ45

Alarm port: 3-pin terminal block with 5.08 mm pitch

Technology

IEEE802.3, IEEE802.3U, IEEE802.3ab, IEEE802.3x,

IEEE 802.1d, IEEE 802.1w, IEEE 802.1p, IEEE 802.1q, store-and-forward processing mode

Basic Functions

Exchange function

Supports VLAN

Supports GVRP

Redundancy technology

Supports STP/RSTP/MSTP

Supports MRP

Network Management and Monitoring

Supports console, Telnet, web, and SSH management methods.

Supports SNMPv1/v2/v3

Supports LLDP

Supports NTP

Supports port mirroring

Supports Syslog

Multicast protocol

Supports IGMP Snooping

Supports static multicast

Supports GMRP

Service quality

Supports QoS, 802.1p (CoS), DSCP

Supports SP and WRR queue scheduling.

Supports ACL

Bandwidth Management

Supports port aggregation

Supports port rate limiting.

Supports port-based flow control

Supports port storm suppression.

Cybersecurity

Supports port-MAC address binding.

Supports IP access control

Supports SSH

Supports HTTPS/SSL

Supports user tiering

Supports port protection

Supports IP/MAC binding

Device Management

Supports FTP/TFTP upgrades

Supports logging

Supports configuration file download and upload.

Featured Features

IEC 61850-3 Protocol

Clock Management

Supports SNTP Client & Server

Supports NTP Client & Server

Supports time zone and daylight saving time configuration.

Exchange Attributes

Priority Queue: 8

Number of VLANs: 4K

VLAN ID: 1–4094

Ultra-long frame length: 10K bytes

MAC Address Table: 32K

Multicast group count: 512

Packet buffer: 24 Mbit

Packet forwarding rate: 47.6 Mpps

Switching delay: <5 μs

Cable

Twisted pair: 0–100 m (using standard CAT5 or CAT5e network cables)

Multimode fiber: 1310 nm, 850 nm, 550 m (Gigabit),

Single-mode fiber: 1310 nm, 10 km / 40 km (Gigabit),

1550 nm, 60 km/80 km (Gigabit),

Power supply

Input voltage: 110V–220VAC/DC (85–265VAC/88–370VDC)

Connection terminals: 5‑pin, 5.08 mm pitch, plug‑in type terminals

Power: <30W (at full load)

Overload protection: Supported

Reverse connection protection: Supported

Redundancy protection: Supported

Mechanical structure

Chassis: Aluminum alloy chassis with surface heat dissipation technology, fanless.

Protection rating: IP40

Installation method: Standard 19-inch 1U rack-mountable

Cable exit type: front and rear exits

Chassis dimensions (W×H×D): 443 mm x 44 mm x 300 mm

Weight: 4 kg (including packaging)

Environment

Operating temperature: -40°C to +70°C

Storage temperature: -40°C to +70°C

Relative humidity: 0–95% non-condensing

Warranty

MTBF 35 years

5-year warranty

Meets the standard

IEC 61000-4-2 (ESD): ±8 kV contact discharge, ±15 kV air discharge
IEC 61000-4-3 (RS): 10 V/m (80–1000 MHz)
IEC 61000-4-4 (EFT): Power lines: ±4 kV; Data lines: ±2 kV
IEC 61000-4-5 (Surge) power lines: ±4 kV/cm, ±2 kV/dm; data lines: ±2 kV.
IEC 61000-4-6 (RF conducted): 3 V (10 kHz–150 kHz), 10 V (150 kHz–80 MHz)
IEC 61000-4-8 (Power Frequency Magnetic Field): 100 A/m (continuous), 1000 A/m (1 s to 3 s)
IEC 61000-12/18 (oscillatory wave): 2.5 kV/cm, 1 kV/dm
IEC 61000-4-10 (Damped Oscillatory Wave): 30 A/m
IEC 61000-4-16 (common-mode conducted): 30 V (continuous), 300 V (1 s)
FCC CFR47 PART 15/EN55022:Class A&B

IEC 68-2-6 (Vibration) IEC 68-2-27 (Shock) IEC 68-2-32 (Free Fall)

IEC 61000-6-2 (general industrial standard), IEC 61850-3 (substation), IEEE 1613 (power substation)

EN 50121-4 (Railway Applications)

Optional models

Port

Power supply

Gigabit SP optical port

Gigabit electrical port

Debug port

BWYX-3028-Z-E24G4-GZK

4

24

1

110 VDC, 220 VAC/DC

Supports redundant power supplies