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Siemens 3UA5900-1G Thermal Delayed Overload Relay

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ManufacturerSiemens

Part number3UA5900-1G

Setting Range 4-6.3A

Contacts 1NO+1NC

Type Thermal Delayed Overload Relay

Mounting Single Unit Installation

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CAGE: 9NK75

Thermal overload protection Adjustable amp setting 1NO+1NC auxiliary contacts Phase loss detection Class 10 tripping characteristic

Product description

The Siemens 3UA5900-1G is a thermal-delayed overload relay designed for installation as a standalone unit. It offers an adjustable current setting range from 4 to 6.3 Amps and includes one normally open (NO) and one normally closed (NC) auxiliary contact.

This relay provides essential motor protection against overloads and phase failures in a variety of industrial applications. It's suitable for use with various motor sizes and types where reliable and precise thermal protection is needed.

As a veteran-owned surplus parts distributor, Stanlo Automation offers the Siemens 3UA5900-1G. We are dedicated to providing high-quality industrial automation components and ensuring customer satisfaction through dependable service.

Technical specifications

Setting Range	4-6.3A
Contacts	1NO+1NC
Type	Thermal Delayed Overload Relay
Mounting	Single Unit Installation
Manufacturer	Siemens

Common applications

Industrial machinery

Motor control centers

Automation systems

HVAC equipment

Pump stations

Compatible systems

Suitable for use with Siemens 3TF series contactors (specific models may vary)

Also known as

Siemens 3UA59-00-1G, 3UA59001G, Siemens thermal relay

Replaces / compatible with

This overload relay is part of the Siemens 3UA59 series and is designed for applications requiring specific thermal protection settings.

Technical note

Expert tip

This relay is designed for installation as a single unit, providing flexibility in panel design and mounting where direct attachment to a contactor is not feasible.

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Frequently asked questions

What is the trip class of the Siemens 3UA5900-1G overload relay?

The Siemens 3UA5900-1G overload relay typically adheres to a Class 10 tripping characteristic, meaning it will trip within 10 seconds at six times the set current. This provides adequate protection for most standard motor applications.