SIEMENS SIPROTEC 6MD86 RELAY

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SIEMENS SIPROTEC 6MD86 RELAY Specification

Operating Temperature
-10C to +55C

Working Temperature
-10C to +55C (operation)

Power Supply
Auxiliary DC/AC (as per selected variant)

Rated Power
Not Applicable (relay; not power-consuming device)

Power Factor
Not Applicable (relay not a load device)

Connector Type
Plug-in terminal blocks

Application
Busbar protection in HV and MV substations

Output Type
Trip Contacts, Alarm Signal

Cooling Method
Natural air cooling

Rated Current
1 A / 5 A nominal (for CT inputs)

Phase
Three-phase system (multi-phase busbar protection)

Current Range
Primary and secondary values based on CT ratio, e.g., 1A/5A nominal CT inputs

Features
Numerical busbar protection, IEC 61850 communication, high-speed tripping, multi-criteria busbar protection, extensive fault recording

Noise Level
Silent operation

Product Type
SIPROTEC 6MD86 Numerical Busbar Protection Relay

Output Power
Not Applicable (protective relay)

Output Frequency
Not Applicable (signal, not frequency output)

Input Voltage
DC 24 V, DC 48 V, DC 60 V, DC 110 V, DC 125 V, DC 220 V, AC 100/120/220/230 V (auxiliary supply options depending on variant)

Voltage Protection
Over/Under Voltage Tripping, Differential Protection

Efficiency
High operational reliability

Material
Sheet Steel Enclosure, Flame-retardant plastics

Storage Temperature
-25C to +70C

Weight
Approx. 7 - 12 kg depending on configuration

Event/Fault Recording
Comprehensive event, fault, and oscillographic recording capability

Display
Backlit LCD display with keypad for local operation

Ingress Protection (IP Rating)
IP20 (front), IP40 (with housing)

Mounting Type
Panel/flush mounting, rack mounting optional

Time Synchronization
SNTP, IRIG-B, IEEE 1588

Dimensions (H x W x D)
Approx. 261 x 482 x 255 mm

Protection Functions
Busbar differential protection; breaker failure protection; bay control

Communication Protocols
IEC 61850, IEC 60870-5-103, DNP3, Modbus, PROFIBUS-DP

About SIEMENS SIPROTEC 6MD86 RELAY

Access the new release of world-class protection with the SIEMENS SIPROTEC 6MD86 RELAY, featuring meritorious busbar differential and breaker failure protection tailored for HV and MV substations. Engineered for perfection, this relay offers limited-time availability and supports multiple communication protocols including IEC 61850, DNP3, and Modbus. Its intuitive backlit LCD and robust event recording elevate operational reliability. With flexible mounting, flame-retardant materials, and comprehensive fault-tracking, the SIPROTEC 6MD86 ensures exceptional efficiency and safeguarding for critical power infrastructurecrafted for those who demand only the best.

Comprehensive Busbar Protection for Demanding Environments

The SIEMENS SIPROTEC 6MD86 RELAY excels in surface application within high and medium voltage substations, delivering advanced numerical busbar protection and integrated bay control for ultimate reliability. Its primary usage focuses on critical fault detection, high-speed tripping, and precision control across three-phase power systems. Cutting-edge features such as extensive event recording, differential protection, and multi-protocol communication bolster its reputation as a perfect, all-in-one protection solution for modern electrical infrastructures.

Packaging, Samples, and Quick Delivery for Cost Efficiency

All SIEMENS SIPROTEC 6MD86 RELAYS are securely shipped using dependable transport services to reduce your expenditure on logistics. Each unit is meticulously packed to guarantee safe delivery. Sample units are available for evaluation upon request, enhancing operational assurance before larger commitments. Standard delivery timeframes are aligned with industry practice, ensuring fast dispatch and efficient fulfillment. Your investment is protected every step of the way, with prompt support and streamlined transaction processes for every shipment.

FAQs of SIEMENS SIPROTEC 6MD86 RELAY:

Q: How does the SIEMENS SIPROTEC 6MD86 RELAY improve power system protection?

A: The SIPROTEC 6MD86 provides advanced multi-criteria busbar differential protection and breaker failure safeguards for HV and MV substations, ensuring rapid fault isolation and enhancing operational reliability.

Q: What communication protocols are supported by the SIPROTEC 6MD86 RELAY?

A: This relay supports world-class industry standards including IEC 61850, IEC 60870-5-103, DNP3, Modbus, and PROFIBUS-DP, ensuring seamless system integration and data exchange.

Q: When should this relay be installed in a substation?

A: Install the SIPROTEC 6MD86 preferably during new substation projects or major protection upgrades, or when updating to devices that require high-speed fault detection and coordination.

Q: Where can the SIPROTEC 6MD86 be mounted?

A: The relay is designed for flexible installation, allowing for panel or flush mounting as standard, with optional rack mounting available to suit various substation control environments.

Q: What are the main features that make this relay a perfect addition to my protection scheme?

A: Key features include numerical busbar protection, high operational reliability, comprehensive event/fault recording, multi-protocol capability, intuitive local operation, and robust construction for demanding station applications.

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