• Siemens 7UT5131-5CB01-1BA0/KL
  • Siemens 7UT5131-5CB01-1BA0/KL
  • Siemens 7UT5131-5CB01-1BA0/KL
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Siemens 7UT5131-5CB01-1BA0/KL Numerical Differential Protection Relay

Siemens 7UT5131-5CB01-1BA0/KL Numerical Differential Protection Relay

Description

The Siemens 7UT5131-5CB01-1BA0/KL is a high-performance numerical differential protection relay designed for the reliable monitoring and protection of electrical power systems. This unit is specifically engineered for panel surface mounting,...

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SKU: 7UT5131-5CB01-1BA0/KL
Vendor: Siemens
Category: Protection Relay
Related Series:

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Description

The Siemens 7UT5131-5CB01-1BA0/KL is a high-performance numerical differential protection relay designed for the reliable monitoring and protection of electrical power systems. This unit is specifically engineered for panel surface mounting, providing robust protection for transformers, generators, and motors by detecting internal faults through differential current analysis.

Features

  • Numerical differential protection logic for fast and selective fault clearing.
  • Supports flexible rated currents of 1A or 5A.
  • Wide frequency compatibility including 50 Hz, 60 Hz, and 16-2/3 Hz.
  • Integrated programmable trip relays for versatile control schemes.
  • Designed for panel surface mounting in industrial switchgear environments.

Technical Specifications

Product Model 7UT5131-5CB01-1BA0/KL
Manufacturer Siemens
Rated Current 1 A or 5 A
Rated Frequency 50 Hz, 60 Hz, or 16-2/3 Hz
Thermal Rating (rms) 15 A continuous
Rated Supply Voltage 24/48 Vdc
Permissible Voltage Range 19 to 56 Vdc
Programmable Trip Relays 2 dual-ganged Form A (N.O.)
Switching Voltage 250 V
Permissible Current 5 A continuous, 30 A for 0.5 s

Installation Guidelines

  • Ensure the device is mounted on a clean, vibration-free panel surface.
  • Verify that the supply voltage matches the 24/48 Vdc rating before connection.
  • Use appropriate shielded cabling for current transformer (CT) inputs to minimize EMI interference.
  • Ensure proper grounding of the relay chassis to the panel earth bus to maintain electromagnetic compatibility.
  • Always isolate power sources before performing any wiring or maintenance on the relay terminals.
  • Follow standard ESD (Electrostatic Discharge) precautions during handling and installation.

FAQ

What is the primary application of the 7UT5131 relay?

This relay is primarily used for differential protection of transformers, generators, and motors, ensuring rapid isolation of faulted equipment within power distribution networks.

Can this relay be used in 60 Hz systems?

Yes, the 7UT5131-5CB01-1BA0/KL is compatible with 50 Hz, 60 Hz, and 16-2/3 Hz system frequencies.

What is the mounting style for this model?

This specific order code is configured for panel surface mounting.