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Siemens 3UA52000K Thermal Overload Relay

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ManufacturerSiemens

Part number3UA52000K

Type Thermal Delayed Overload Relay

Series 3UA52

Mounting Direct mount onto contactor

Current Setting Range 0.8-1.25A

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12-month warranty

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Same-day dispatch

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

Thermal overload protection Direct mounting Adjustable low current setting Auxiliary contacts Compact design

Product description

The Siemens 3UA52000K is a thermal delayed overload relay designed for direct mounting onto compatible Siemens contactors. It offers a low current setting range of 0.8A to 1.25A and includes one normally open (NO) and one normally closed (NC) auxiliary contact.

This relay is ideal for protecting smaller industrial motors or auxiliary equipment against overcurrents and phase failures. Its applications include small pumps, fans, control circuits, and other loads requiring precise overload protection within its setting range.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, provides the Siemens 3UA52000K. We ensure that you receive quality components, helping you maintain and repair your automation systems efficiently and affordably.

Technical specifications

Type	Thermal Delayed Overload Relay
Series	3UA52
Mounting	Direct mount onto contactor
Current Setting Range	0.8-1.25A
Auxiliary Contacts	1 NO + 1 NC

Common applications

Small Motor Protection

Fan Protection

Pump Protection

Control Circuit Protection

Automation Systems

Compatible systems

Siemens 3RT contactors Siemens Sirius line

Also known as

Siemens 3UA52 0.8-1.25A Overload 3UA52000K Relay

Replaces / compatible with

Designed for use with Siemens 3RT contactors. Suitable for applications requiring overload protection for smaller motor sizes.

Technical note

Expert tip

For optimal performance and to prevent nuisance tripping, ensure the ambient temperature around the relay is within its specified operating range.

What happens next?

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Frequently asked questions

Is the Siemens 3UA52000K suitable for protecting small motors?

Yes, the Siemens 3UA52000K is specifically designed for smaller motor applications with its low adjustable current setting range of 0.8A to 1.25A. It provides essential thermal overload and phase failure protection.