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Siemens 3UA5000-1E Thermal Overload Relay - 2.5-4A

Siemens 3UA5000-1E Thermal Overload Relay for motor protection.

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ManufacturerSiemens

Part number3UA5000-1E

Current Range 2.5-4A

Mounting Type Contactor mounting

Auxiliary Contacts 1 NO + 1 NC

Reset Type Manual

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Adjustable thermal overload protection Direct contactor mounting Manual reset functionality Integrated auxiliary contacts Robust design for industrial environments Phase unbalance detection

Product description

The Siemens 3UA5000-1E is a thermal overload relay designed for reliable motor protection. It features an adjustable current range of 2.5 to 4 Amps, providing precise protection against overcurrent conditions. This relay is designed for direct mounting onto compatible Siemens contactors (such as the 3TF30/31 series) and includes one normally open (NO) and one normally closed (NC) auxiliary contact for signaling purposes.

This overload relay is crucial for safeguarding motors from damage due to sustained overloads, phase unbalance, or overheating. It is widely used in motor control centers, pump applications, conveyor systems, compressors, and other industrial machinery where motor longevity and operational safety are paramount.

Source your Siemens 3UA5000-1E from Stanlo Automation, your dependable veteran-owned surplus parts distributor. We ensure you receive quality components to maintain the efficiency and reliability of your industrial automation systems.

Technical specifications

Current Range	2.5-4A
Mounting Type	Contactor mounting
Auxiliary Contacts	1 NO + 1 NC
Reset Type	Manual
Voltage Rating	600V AC
Standards	IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14

Common applications

Motor control centers

Pump and fan control

Conveyor systems

Compressors

HVAC units

Industrial machinery

Compatible systems

Siemens 3TF30, 3TF31 contactors

Also known as

Siemens World Series Overload Relay 3UA5000-1E Siemens 3UA5 Overload Relay

Replaces / compatible with

This overload relay is designed to be mounted on Siemens 3TF30 and 3TF31 contactors. It provides protection for motors controlled by these contactors.

Technical note

Expert tip

Ensure the relay is correctly paired with its compatible Siemens contactor and that the thermal adjustment dial is set accurately according to the motor's nameplate full load amps.

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Frequently asked questions

What is the current adjustment range for the Siemens 3UA5000-1E thermal overload relay?

The Siemens 3UA5000-1E thermal overload relay has an adjustable current range of 2.5 to 4 Amps. This allows for precise setting to match the full load current of the motor being protected.