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Siemens 3UA5900-1C Thermal Overload Relay

Siemens 3UA5900-1C Thermal Delayed Overload Relay.

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ManufacturerSiemens

Part number3UA5900-1C

Type Thermal Delayed Overload Relay

Setting Range 1.6 - 2.5 A

Auxiliary Contacts 1 NO + 1 NC

Installation Single Unit

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Adjustable thermal overload protection Compact single-unit design 1 NO + 1 NC auxiliary contacts Manual reset Phase failure sensitivity

Product description

The Siemens 3UA5900-1C is a thermal delayed overload relay designed for installation as a single unit, providing motor protection against overcurrent. It features an adjustable setting range from 1.6 to 2.5 Amperes and includes one normally open (NO) and one normally closed (NC) auxiliary contact for signaling and control purposes.

This overload relay is essential for protecting electric motors in various industrial applications, including pumps, conveyors, fans, and machine tools. It ensures that motors are not damaged by sustained overloads or phase imbalances, contributing to operational reliability and safety.

Stanlo Automation, a veteran-owned surplus parts distributor, has the Siemens 3UA5900-1C available. Equip your machinery with reliable motor protection by sourcing this overload relay from us.

Technical specifications

Type	Thermal Delayed Overload Relay
Setting Range	1.6 - 2.5 A
Auxiliary Contacts	1 NO + 1 NC
Installation	Single Unit

Common applications

Motor protection

Pump control

Conveyor systems

Fan control

Machine tools

Industrial machinery

Compatible systems

Compatible with Siemens 3RT contactors and various motor control centers. Check specific compatibility charts for precise integration.

Also known as

Siemens 3UA59001C Thermal Overload Protector Siemens

Replaces / compatible with

This overload relay is designed to replace or supplement existing motor protection devices in applications requiring adjustable thermal tripping within its specified current range. It is compatible with Siemens contactors and motor starters.

Technical note

Expert tip

Ensure proper wiring of the auxiliary contacts for effective remote signaling of motor status or fault conditions.

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Frequently asked questions

What is the adjustable current setting range for the Siemens 3UA5900-1C overload relay?

The Siemens 3UA5900-1C thermal delayed overload relay has an adjustable setting range from 1.6 to 2.5 Amperes, allowing for precise motor protection tuning.