SIEMENS 7UM6211-5EB92-0AA0/FF (BF1105147780) GENERATOR PROTECTION RELAY

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SIEMENS 7UM6211-5EB92-0AA0/FF (BF1105147780) GENERATOR PROTECTION RELAY Specification

Working Temperature
-10C to +60C

Mechanical Life
>10,000,000 operations

Contact Form
Changeover (SPDT/DPDT)

Protect Feature
Overcurrent, differential, earth fault, voltage, frequency protection

Contact Resistance
<100 m

Contact Material
AgCdO (Silver Cadmium Oxide)

Coil Power
Not applicable (solid-state relay)

Dielectiric Strength
2 kV AC, 50 Hz, 1 min (between all isolated circuits)

Ambient Temperature
-10C to +60C

Coil Voltage
Not applicable (microprocessor-controlled relay)

Power Consumption
<20 VA

Product Type
Numerical Generator Protection Relay

Insulation Resistance
>100 M (at 500 V DC)

Theory
Microprocessor-based digital protection

Usage
Generator protection applications

Contact Load
250 V AC / 8A, 30 V DC / 8A

Operate Time
<30 ms

Terminal Type
Screw-type terminal

Rated Voltage
24-250 V DC / 110-230 V AC (auxiliary supply)

Supply Terminal
Rear plug-in terminal

Size
1/2 x 19 rack, height 244 mm, depth 231 mm

Color
Grey/Black front panel

Dimension (L*W*H)
244 mm x 106 mm x 231 mm

Weight
Approx. 3.6 kg

About SIEMENS 7UM6211-5EB92-0AA0/FF (BF1105147780) GENERATOR PROTECTION RELAY

SIEMENS 7UM6211-5EB92-0AA0/FF (BF1105147780) GENERATOR PROTECTION RELAY

TheSIPROTEC 4 7UM62 protection relayis a compact unit which has been specially developed and designed for the protection of small, medium-sized and large generators.

Robust Protection & Versatile Operation

Engineered for generator safety, the SIEMENS 7UM6211-5EB92-0AA0/FF relay supports overcurrent, differential, earth fault, voltage, and frequency protection. Its swift operate time (<30 ms) and wide configurability through DIGSI software deliver fast, reliable response in critical power situations.

Seamless Integration & User-Friendly Interface

This relay, suitable for flush or rack mounting, features a modern LCD with intuitive 5-key navigation, six freely programmable LEDs, and rear plug-in terminals. Its multiprotocol communication ensures effortless integration into new or existing power management systems.

Durable Design & Flexible Applications

Rated IP54 (front), IP20 (rear), and tested for high mechanical life (>10 million operations), the relay resists harsh environments. It operates in temperature ranges from -10C to +60C, supporting diverse generator installations in India and globally.

FAQs of SIEMENS 7UM6211-5EB92-0AA0/FF (BF1105147780) GENERATOR PROTECTION RELAY:

Q: How is the SIEMENS 7UM6211-5EB92-0AA0/FF relay configured for specific generator protection needs?

A: The relays settings are easily tailored using DIGSI software, allowing users to adjust protection parameters, communication options, and LED indications to match the exact requirements of different generator applications.

Q: What communication protocols are supported by this generator protection relay?

A: It supports IEC 61850, IEC 60870-5-103, and MODBUS protocols via two RS485 and one Ethernet port, facilitating integration with various substation automation and SCADA systems.

Q: When should you use the integrated event and disturbance recorder?

A: The event/disturbance recorder should be used for capturing and analyzing operational anomalies and protective actions. With a capacity of up to 1000 events, it enables effective fault analysis and enhances system reliability.

Q: Where can this relay be installed, and what mounting options are available?

A: The relay is designed for flush or rack mounting, suitable for a wide range of control panels in generator rooms or substations. Its compact size (1/2 x 19 rack) ensures easy installation even in space-limited setups.

Q: What benefits does the microprocessor-based design provide in generator protection?

A: The digital microprocessor architecture ensures high accuracy, fast operate times (<30 ms), and enhanced reliability compared to conventional electromechanical relays, leading to improved generator safety and minimal downtime.

Q: How does the relay ensure operational safety and durability in harsh environments?

A: With IP54 protection (front), IP20 (rear), wide ambient temperature tolerance, and high mechanical life, the relay reliably withstands industrial environments while maintaining consistent protection performance.

Q: What are the key usage scenarios for this relay in power systems?

A: Ideally applied in generator protection for industrial, commercial, or utility-scale power plants, the relay manages faults such as overcurrents, earth faults, differential issues, voltage, and frequency anomalies to safeguard equipment and personnel.

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