Siemens 35B3000-0AB21 Mounting Baseplate

Description

Siemens 35B3000-0AB21 Mounting Baseplate

Product Dimensions：

The Siemens 35B3000-0AB21 is a specialized high-performance Fiber Optic Communication Module (specifically a Transceiver/Link module) designed for the SIPROTEC and SICAM product lines. It is primarily used to provide reliable, interference-free communication between protection relays and substation control systems over long distances.

Product Detailed Description

The 35B3000-0AB21 is a plug-in interface module that facilitates the exchange of data via fiber optic cables. In high-voltage environments, electrical interference (EMI) can disrupt traditional copper-based communication. This module solves that problem by using light signals, ensuring galvanic isolation and high-speed data transmission for critical protection and control signals.

Technical Parameters

Product Advantages

• Immunity to EMI/RFI: Because it uses light instead of electricity, the communication is completely unaffected by electromagnetic interference or radio frequency interference common in substations.
• Galvanic Isolation: It provides a physical break in the electrical connection between devices, preventing ground loops and protecting equipment from high-voltage surges.
• High Reliability: Designed for the rigorous “Utility Grade” standards, meaning it can operate in extreme temperatures and vibration-prone environments.
• Seamless Integration: It is fully compatible with the Siemens DIGSI configuration software, making it “plug-and-play” within the Siemens ecosystem.

Important Considerations (Precautions)

• Bend Radius: Fiber optic cables are fragile. Ensure that the patch cables connected to the 35B3000-0AB21 do not exceed the minimum bend radius, as this will cause signal loss or physical breakage.
• Cleanliness: Dust on the ST connector or the module’s optical port can cause significant signal attenuation. Always use lint-free wipes and isopropyl alcohol to clean connectors before insertion.
• Laser Safety: Although this uses low-power LEDs/Lasers, never look directly into the fiber port or the end of a connected cable while the module is powered.
• Optical Budget: Ensure the total loss (attenuation) of the fiber run and connectors does not exceed the 8 dB budget, or the communication will be intermittent.

Product Applications

The 35B3000-0AB21 is a staple in power engineering:

• Substation Automation: Connecting SIPROTEC 4 protection relays to a central Star Coupler or RTU (Remote Terminal Unit).
• Distributed Protection: Facilitating communication for “Busbar Protection” or “Transfer Trip” schemes where relays in different buildings must talk to each other.
• Industrial Power Plants: Used in heavy industries (steel mills, refineries) where massive motors create electrical noise that would drown out copper-based signals.
• Renewable Energy: Linking wind turbine controllers to a central substation across a large geographic area.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：