6GK6090-0AS21-0BA0-ZA12B00 SIEMENS Exclusive RS900 Managed Industrial Ethernet Switch Original Brand New
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The SIEMENS 6GK6090-0AS21-0BA0-ZA12B00 RUGGEDCOM RS900 is a DIN rail mountable, fully managed industrial Ethernet switch featuring 6 Fast Ethernet RJ45 ports and 2 multimode fiber ports with LC connectors (2 x 100FX). Engineered for tough industrial environments, it delivers exceptional reliability with advanced Layer 2 management functions, 128-bit encryption, and robust electromagnetic immunity, making it ideal for mission-critical applications.
Overview
Specially built for harsh industrial environments, the RUGGEDCOM RS900 ensures dependable networking for electric substations, manufacturing plants, and control cabinets. Operating within a wide temperature range of –40 °C to +85 °C, and certified for hazardous locations (Class 1 Division 2), it offers flexibility with multimode LC fiber connectivity and compact DIN rail mounting. Its rugged design and high reliability reduce maintenance costs and downtime, supporting long-term operation in challenging conditions.
- Industrial-grade 9-port managed Ethernet switch with enhanced EMI protection
- 6 x 10/100BASE-TX copper ports (RJ45)
- 2 x 100FX multimode fiber ports (LC connector, 1300 nm)
- DIN rail mountable design for space-constrained environments
- Supports Layer 2 management and 128-bit encryption for secure networking
- Operating temperature: –40 °C to +85 °C, Class 1 Division 2 certified
Design
- Supports optional fiber or copper ports with MTRJ, SC, ST, LC connectors
- Multi-mode and single-mode optical transceivers available
- Integrated universal power supply with 24 V DC input (10–36 V DC)
- Supports high-voltage inputs: 120 V AC/DC – 230 V AC/DC
- Resistant to electrical surges and EMI typical in industrial applications
- Compact footprint suitable for various installation scenarios
Product Link: 6GK6090-0AS21-0BA0-ZA12B00












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