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BOBCAT BRS20-4TX/2FX-SM-HL – Hazardous Location 32 km Fiber TSN Switch by Hirschmann, a Belden Brand

The Hirschmann BOBCAT BRS20-4TX/2FX-SM-HL is a compact managed industrial Fast Ethernet switch combining 4x 10/100BASE-TX RJ45 copper ports, 2x 100BASE-FX single-mode SC fiber uplinks reaching up to 32.5 km, and ISA12.12.01 hazardous location certification in a 57 mm wide fanless DIN rail housing rated from 0 to +60°C. Manufactured by Hirschmann, it is designed for Ex-classified zones in oil and gas, petrochemical, and process industries where long-distance single-mode fiber backbone connectivity must be available from hazardous area field positions. Available from Recab, your Nordic partner for Hirschmann industrial switch solutions.

manufacturer

Hirschmann

product model

BRS20-0600S2S2-STCX99HHSESXX.X.XX
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ATEX Certified, CE Certified, cUL 61010, DNVGL, EN 55022, EN 55032 Class A, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61131, EN 62368-1, FCC 47 CFR Part 15 Subpart B (Class A), FCC Certified, FCC CFR47 Part 15, IEC 61850, IEC 61850-3, IEC 62439-2, IEEE 802.1Qbv, IP30 Rated, ISA 12.12.01, NEMA TS2, UL 61010

Overview

The Hirschmann BOBCAT BRS20-4TX/2FX-SM-HL is the standard-temperature hazardous location variant of Hirschmann’s compact 6-port single-mode fiber managed Fast Ethernet BOBCAT switch, certified to ISA12.12.01 for deployment within or adjacent to Ex-classified zones in oil and gas processing, offshore platforms, petrochemical facilities, and chemical manufacturing environments. Manufactured by Hirschmann, a Belden brand, it combines 4x 10/100BASE-TX RJ45 copper ports with two 100BASE-FX single-mode SC fiber uplinks reaching up to 32.5 km on 9/125 µm single-mode fiber with a 16 dB link budget, making it the right choice when a hazardous area field node must also serve as a long-haul fiber backbone connection point across large process facilities or remote outdoor infrastructure. The switch is housed in a 57 mm wide fanless PC-ABS DIN rail enclosure rated to IP30 and 0 to +60°C, drawing only 7 W from dual redundant 12 to 24 VDC power inputs — practical for Ex-zone installations where heat generation and power availability are constrained. TSN 802.1Qbv support across interfaces 1/1 to 1/3 delivers deterministic real-time Ethernet communication, and the full industrial protocol suite — PROFINET, EtherNet/IP, Modbus TCP, IEC61850 — ensures compatibility with DCS, PLC, and SCADA platforms across the process industries. Redundancy spans HIPER-Ring, MRP (IEC62439-2) as both client and manager, RSTP, LACP, Link Backup, and Redundant Network Coupling. Security capabilities include Secure Boot, signed firmware, 802.1X port access control, RADIUS authentication, VLAN-based ACLs, and DoS prevention. With an MTBF of approximately 2.64 million hours and a 60-month guarantee, the BRS20-4TX/2FX-SM-HL delivers long-term reliability for process industry field installations where switch replacement is operationally demanding. Available from Recab, your Nordic partner for Hirschmann industrial switch solutions.
Compact, DIN Rail, EtherNet/IP, Fanless, Hazardous Location, Modbus, Power Over Ethernet, PROFINET, Real-Time Functions, Redundancy Protocols, Redundant Power Input, Robust Design, Time-Sensitive Networking, Wide Temperature

Key highlights

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Features

  • ISA12.12.01 hazardous location certification qualifies this long-range fiber switch for direct Ex-classified zone deployment.
  • Two 100BASE-FX single-mode SC uplinks reach 32.5 km on 9/125 µm fiber for long-distance backbone connections from classified area nodes.
  • Four 10/100BASE-TX RJ45 copper ports in a 57 mm fanless DIN rail housing provide local device connectivity at Ex-rated field positions.
  • TSN 802.1Qbv, PROFINET, EtherNet/IP, Modbus TCP, and IEC61850 enable full DCS and SCADA integration from Ex-zone long-haul fiber nodes.
  • HIPER-Ring, MRP (IEC62439-2), RSTP, and LACP deliver high-availability ring and star redundancy across copper and single-mode fiber in classified areas.
  • Secure Boot, signed firmware, RADIUS, and 802.1X port access control address OT cybersecurity for Ex-certified long-range process industry networks.

Specifications

Ports 6 total: 4x TX, 2x FX
Power 2 x 12-24 VDC
Consumption 7 W
Dimensions 57 x 138 x 115 mm
Weight 420 g
Protection IP30
TempRange 0 to +60 °C
Humidity 1-95 % non-condensing
MTBF 2 638 177 h
Standards EN 61000-xx

Applications

  • Oil and gas Ex-classified field nodes requiring 32 km single-mode fiber backbone connectivity
  • Petrochemical plant hazardous area positions needing long-distance fiber uplinks from compact DIN rail switches
  • Offshore platform automation classified zones with inter-unit single-mode fiber backbone requirements
  • Process industry DCS field networks in Ex zones needing PROFINET and long-haul fiber uplinks

Resources

Datasheet

https://recab.com/wp-content/uploads/2025/10/brs20-4tx-2fx-sm-hl-datasheet.pdf

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