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Siemens 7UT6135-5EB01-1AB0 Digital Differential Protection Relay

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ManufacturerSiemens

Part number7UT6135-5EB01-1AB0

Case 1/2 x 19"

Binary Inputs 5

Binary Outputs 8

Watchdog Contact 1

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CAGE: 9NK75

Digital differential protection Transformer, generator, motor, busbar protection 5BI, 8BO, 11I Voltage measurement Overexcitation protection Comprehensive overcurrent protection

Product description

The Siemens 7UT6135-5EB01-1AB0 is a digital differential protection relay designed for transformers, generators, motors, small busbars, and short cables. This unit features a 1/2 x 19" case with 5 binary inputs (BI), 8 binary outputs (BO), and 1 watchdog contact. It includes 11 current inputs (I) and a 5A current transformer (CT). The relay operates on a supply voltage of 110-250V DC or 115-230V AC. Functionalities include differential protection (87 TGM L), overload protection (49), lock-out (86), and detailed time overcurrent protections (50/51) for phase, 3I0, and earth faults.

This relay offers advanced differential protection and comprehensive backup functions, making it ideal for protecting critical power system assets. It supports voltage measurement and overexcitation protection, providing enhanced monitoring and safeguarding capabilities.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 7UT6135-5EB01-1AB0. We ensure you have access to reliable and high-quality industrial automation components, crucial for maintaining operational efficiency and safety.

Technical specifications

Case	1/2 x 19"
Binary Inputs	5
Binary Outputs	8
Watchdog Contact	1
Current Inputs	11
Current Transformer	5A
Supply Voltage	DC 110-250V, AC 115-230V
Trigger Level Binary Input	88V
Functionality	Differential Protection (87 TGM L), Overload (49), Lock Out (86), Time Overcurrent (50/51) Phase/3I0/Earth, Voltage Measurement, Overexcitation Protection

Common applications

Transformer protection

Generator protection

Motor protection

Busbar protection

Short cable protection

Compatible systems

None specified, standard industrial power systems

Also known as

Siemens 7UT6135 SIPROTEC 4 7UT613 Digital Differential Relay

Replaces / compatible with

This relay is part of the Siemens SIPROTEC 4 series. Consult Siemens documentation for direct replacements or suitable upgrades.

Technical note

Expert tip

The inclusion of 11 current inputs allows for detailed current measurement and analysis across multiple points within a protected zone.

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Frequently asked questions

What specific overcurrent protection functions are included in the Siemens 7UT6135-5EB01-1AB0?

The Siemens 7UT6135-5EB01-1AB0 provides time overcurrent protection for phase (I>, I>>, IP), 3I0 (3I0>, 3I0>>, 3I0P), and earth faults (IE>, IEE>>, IEP), including inrush blocking.