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Siemens 6GK5991-1AD00-8AA0
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 6GK5991-1AD00-8AA0, known as the SFP991-1 plug-in transceiver, is a vital component for resilient industrial Ethernet networks. Engineered for seamless integration with Siemens SCALANCE X series industrial switches, this transceiver enables high-speed, dependable data transmission across multimode optical fiber. Featuring a 100 Mbit/s LC port, it extends network reach up to an impressive 5 kilometers, making it a perfect fit for extensive industrial settings where consistent and long-range communication is essential. Its robust construction ensures peak performance even in challenging conditions, meeting the stringent demands of contemporary industrial automation and control systems.Key Features Fast 100 Mbit/s Data Rate: Delivers rapid and efficient data flow, crucial for real-time industrial applications. LC Optical Interface: Provides a secure, industry-standard connection for multimode fiber optic cables. Extended 5 km Transmission: Offers exceptional range, reducing the need for extra network infrastructure across vast distances. Multimode Fiber Compatibility: Designed for adaptable deployment with existing or new multimode fiber optic setups. Industrial-Grade Durability: Constructed to endure harsh operational temperatures and environments, ensuring longevity. Seamless SCALANCE X Integration: Guarantees perfect compatibility and optimized performance with Siemens SCALANCE X switches. Comprehensive Standards Compliance: Adheres to strict international safety and EMC standards for reliable use. Technical Specifications Model: SFP991-1 Part Number: 6GK5991-1AD00-8AA0 Data Rate: 100 Mbit/s Optical Interface: LC port Wavelength: 1300 nm Transmission Distance: Up to 5 km over multimode fiber Operating Temperature: -40°C to +85°C Dimensions: 14 mm (W) x 9 mm (H) x 57 mm (D) Weight: Approximately 0.01 kg Mounting: Latching mechanism for secure installation Standards Compliance: FM Approval (FM3611: Class 1, Division 2, Groups A, B, C, D / T4), ATEX Compliance (EN 60097-0:2006, EN 60079-15:2005, II 3 G Ex nA II T4, KEMA 07 ATEX 0145X), Safety Standards (UL 60950-1, CSA C22.2 No. 60950-1-03), EMC Standards (EN 61000-6-4:2007 (Emission), EN 61000-6-2:2005 (Immunity)) Protection Class: IP20 Applications Industrial Automation Systems: Facilitates high-speed communication among PLCs, HMIs, sensors, and actuators in automated manufacturing settings. Process Control Industries: Ensures stable and secure data links for critical monitoring and control processes in sectors like oil & gas, chemical, and pharmaceutical. Transportation Infrastructure: Ideal for network backbones in railway systems, traffic management, and port automation where reliability is paramount. Power Generation & Distribution: Supports robust communication for SCADA systems, remote terminal units (RTUs), and substation automation. Building Management Systems: Connects various building automation components over long distances within large industrial complexes. Why Choose This Model? Unmatched Industrial Reliability: Designed for flawless operation in demanding industrial environments, ensuring continuous uptime. Optimized for Siemens SCALANCE X: Guarantees effortless integration and maximum performance within your current Siemens network infrastructure. Exceptional Long-Distance Capability: Transmits data up to 5 km, minimizing equipment needs and simplifying network design for expansive facilities. Adherence to Global Standards: Certified with prestigious safety and EMC approvals, ensuring compliance and peace of mind. Cost-Effective Network Expansion: Extends the lifespan and capabilities of your industrial Ethernet, optimizing infrastructure investment. Robust and Compact Design: Its small footprint and durable construction make it an excellent choice for confined and demanding applications. Order NowElevate the performance and reliability of your industrial network with the Siemens 6GK5991-1AD00-8AA0 SFP991-1 plug-in transceiver.FAQWhat is the primary function of the Siemens 6GK5991-1AD00-8AA0 transceiver?This transceiver serves to provide high-speed, reliable data transmission over multimode optical fiber within industrial Ethernet networks, specifically designed for Siemens SCALANCE X switches.What is the maximum transmission distance for this transceiver?The Siemens 6GK5991-1AD00-8AA0 transceiver can extend network reach up to 5 kilometers over multimode fiber.Is this transceiver compatible with all industrial switches?The SFP991-1 transceiver is engineered for seamless integration and optimized performance with Siemens SCALANCE X series industrial switches.What kind of data rate does this transceiver support?It supports a high-speed data rate of 100 Mbit/s, crucial for real-time industrial applications.Can this transceiver operate in harsh industrial environments?Yes, it features an industrial-grade durability with an operating temperature range of -40°C to +85°C, making it suitable for demanding conditions.
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Siemens 6GK5991-1AD00-8AA0
Overview
This is a genuine Siemens component from the Industrial Networking family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside Industrial Networking installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the Industrial Networking family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: SFP991-1
- Part Number: 6GK5991-1AD00-8AA0
- Data Rate: 100 Mbit/s
- Optical Interface: LC port
- Wavelength: 1300 nm
- Transmission Distance: Up to 5 km over multimode fiber
- Operating Temperature: -40°C to +85°C
- Dimensions: 14 mm (W) x 9 mm (H) x 57 mm (D)
- Weight: Approximately 0.01 kg
- Mounting: Latching mechanism for secure installation
- Standards Compliance: FM Approval (FM3611: Class 1, Division 2, Groups A, B, C, D / T4), ATEX Compliance (EN 60097-0:2006, EN 60079-15:2005, II 3 G Ex nA II T4, KEMA 07 ATEX 0145X), Safety Standards (UL 60950-1, CSA C22.2 No. 60950-1-03), EMC Standards (EN 61000-6-4:2007 (Emission), EN 61000-6-2:2005 (Immunity))
- Protection Class: IP20
Applications
- Industrial Automation Systems: Facilitates high-speed communication among PLCs, HMIs, sensors, and actuators in automated manufacturing settings.
- Process Control Industries: Ensures stable and secure data links for critical monitoring and control processes in sectors like oil & gas, chemical, and pharmaceutical.
- Transportation Infrastructure: Ideal for network backbones in railway systems, traffic management, and port automation where reliability is paramount.
- Power Generation & Distribution: Supports robust communication for SCADA systems, remote terminal units (RTUs), and substation automation.
- Building Management Systems: Connects various building automation components over long distances within large industrial complexes.
Why Choose the 6GK5991-1AD00-8AA0?
- Unmatched Industrial Reliability: Designed for flawless operation in demanding industrial environments, ensuring continuous uptime.
- Optimized for Siemens SCALANCE X: Guarantees effortless integration and maximum performance within your current Siemens network infrastructure.
- Exceptional Long-Distance Capability: Transmits data up to 5 km, minimizing equipment needs and simplifying network design for expansive facilities.
- Adherence to Global Standards: Certified with prestigious safety and EMC approvals, ensuring compliance and peace of mind.
- Cost-Effective Network Expansion: Extends the lifespan and capabilities of your industrial Ethernet, optimizing infrastructure investment.
- Robust and Compact Design: Its small footprint and durable construction make it an excellent choice for confined and demanding applications.
Availability & Shipping
- ▸In stock: 6GK5991-1AD00-8AA0 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 6GK5991-1AD00-8AA0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.