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Siemens 3UA5800-2T Thermal Overload Relay | 40-57A

Siemens 3UA5800-2T Thermal Overload Relay

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ManufacturerSiemens

Part number3UA5800-2T

Setting Range 40-57A

Auxiliary Contacts 1NO+1NC

Mounting Direct mount onto contactors/starters

Type Thermal Delayed Overload Relay

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Veteran-owned

CAGE: 9NK75

Adjustable current setting Thermal overload protection Phase failure sensitivity Direct mounting capability Robust industrial design 1NO+1NC auxiliary contacts

Product description

The Siemens 3UA5800-2T is a thermal delayed overload relay designed for direct mounting onto Siemens contactors and starters. It offers a current setting range of 40 to 57 Amps and includes one normally open (NO) and one normally closed (NC) auxiliary contact (1NO+1NC).

This relay is essential for protecting medium to large three-phase motors against overloads and phase failures, ensuring reliable operation in demanding industrial environments. Applications include motor control centers, large pumps, and industrial machinery.

Stanlo Automation, a veteran-owned surplus parts distributor, provides access to critical industrial components like the Siemens 3UA5800-2T. We are committed to delivering quality surplus parts to meet your operational needs cost-effectively.

Technical specifications

Setting Range	40-57A
Auxiliary Contacts	1NO+1NC
Mounting	Direct mount onto contactors/starters
Type	Thermal Delayed Overload Relay
Manufacturer	Siemens

Common applications

Motor control

Industrial machinery

Pump stations

Compressor control

Material handling systems

Heavy-duty applications

Compatible systems

Siemens 3UA58 series contactors and starters

Also known as

Siemens 3UA58 Overload Relay 3UA58002T Siemens motor starter overload

Replaces / compatible with

This relay is designed to protect motors when used with compatible Siemens contactors and starters. It ensures reliable operation by preventing damage from overloads.

Technical note

Expert tip

Set the current adjustment within the 40-57A range to accurately match the motor's full load amps for optimal protection against thermal stress.

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Frequently asked questions

What is the current setting range for the Siemens 3UA5800-2T overload relay?

The Siemens 3UA5800-2T thermal overload relay has an adjustable current setting range of 40 to 57 Amps. This range is suitable for motors with higher full load amperages that require robust protection.