6GK6090-0AS21-0BA0-ZA08B00 SIEMENS Exclusive RS900 Managed Industrial Ethernet Switch Original Brand New
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The SIEMENS 6GK6090-0AS21-0BA0-ZA08B00 RUGGEDCOM RS900 is a high-performance, fully managed industrial Ethernet switch featuring 6 Fast Ethernet RJ45 ports and 2 multimode fiber optic ports with ST connectors (2 x 100FX). Engineered for critical industrial environments, it delivers exceptional electromagnetic immunity and reliable network switching capabilities with advanced Layer 2 management and 128-bit encryption support.
Overview
Ideal for substation automation, industrial control systems, and mission-critical networks, the RUGGEDCOM RS900 ensures high reliability even under severe environmental conditions. Its compact DIN rail mount design allows flexible deployment, while its compliance with hazardous location standards (Class 1 Division 2) enhances its versatility. With wide operating temperatures of –40 °C to +85 °C, the RS900 guarantees continuous operation in demanding applications.
- 9-port managed Ethernet switch designed for industrial use
- 6 x 10/100BASE-TX copper ports (RJ45)
- 2 x 100FX multimode fiber ports (ST connector, 1300 nm)
- DIN rail mounting with compact industrial design
- 128-bit encryption with advanced Layer 2 managed features
- Wide temperature range: –40 °C to +85 °C
- Hazardous location certified (Class 1 Division 2)
Design
- Supports factory-configured fiber or copper ports with MTRJ, SC, ST, LC connectors
- Multi-mode and single-mode optical transceiver support
- Fully integrated universal power supply with 24 V DC low-voltage input
- Supports universal high-voltage input: 120 V AC/DC – 230 V AC/DC
- Engineered for robust EMI immunity in industrial applications
- Compact design suitable for control panels and harsh environments
Product Link: 6GK6090-0AS21-0BA0-ZA08B00












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