Siemens Siprotec 4 SIPROTEC 7UT63 Protection Relay

Siemens Siprotec 4 SIPROTEC 7UT63 Protection Relay – 12/16xI 4/0xV, graphical display, 3 winding transformers, busbars.

The SIPROTEC 7UT63 Transformer Differential Protection Relay is a high-performance solution. Specifically designed for 3-winding transformers and busbars, featuring a graphical display for intuitive monitoring and control. With support for 12/16xI 4/0xV inputs. Additionally, this relay ensures reliable substation-grade protection for industrial and utility applications.

Moreover, ideal for engineers, procurement teams, and EPC contractors in Mumbai. In addition, the SIPROTEC 7UT63 combines technical precision with ease of installation, making it a trusted choice for transformer differential protection. Consequently, available through local Mumbai suppliers, it comes with competitive pricing and prompt delivery. However, ensuring your industrial and substation protection projects stay on schedule.

These relays can be used to cater to all possibilities for protecting your transformers. Also, these relays can be used to protect Motors, Generators, short lines, and busbars.

• Differential protection for 2- up to 3-winding transformers up to 5 ends (3-/1-phase)
• Differential protection for motors and generators
• Differential protection for short 2 to 5-terminal lines

Protection functions

• Differential protection with phase-segregated measurement
• Sensitive measuring for low-fault currents
• Fast tripping for high-fault currents
• Restraint against the inrush of the transformer
• Phase /ground overcurrent protection
• Overload protection with or without temperature measurement

Control functions

• Commands for control of circuit-breakers and isolators
• 7UT63x: Graphic display shows the position of switching elements, local/remote switching by a key-operated switch
• Control via keyboard, binary inputs, DIGSI 4, or SCADA system
• User-defined logic with CFC

Monitoring functions

• Self-supervision of the relay
• Trip circuit supervision
• Oscillographic fault recording
• Permanent differential and restraint current measurement, extensive scope of operational values

Communication interfaces

• PC front port for setting with DIGSI 4
• System interface IEC 61850 Ethernet – IEC 60870-5-103 protocol, – PROFIBUS-FMS/-DP, MODBUS or DNP 3.0
• Service interface for DIGSI 4 (modem)/ temperature monitoring (thermo-box)
• Time synchronization via IRIG-B/DCF 77

Siemens SIPROTEC 4 leads the way in integrating protection, control, measurement, and automation functions in one device. In addition, the homogenous system platform, the unique DIGSI 4 engineering program, and extensive experience of more than a million successfully operating devices in the field worldwide.