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Siemens 3UA5500-2D Thermal Overload Relay | 20-32A

Siemens 3UA5500-2D Thermal Overload Relay

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ManufacturerSiemens

Part number3UA5500-2D

Setting Range 20-32A

Auxiliary Contacts 1NO+1NC

Mounting Direct mount onto contactors/starters

Type Thermal Delayed Overload Relay

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12-month warranty

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Veteran-owned

CAGE: 9NK75

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

Product description

The Siemens 3UA5500-2D is a thermal delayed overload relay designed for direct mounting onto Siemens contactors and starters. It features a setting range of 20 to 32 Amps and includes one normally open (NO) and one normally closed (NC) auxiliary contact (1NO+1NC).

This overload relay is crucial for protecting three-phase motors against overload and phase imbalance. It is widely used in industrial automation, motor control applications, pump stations, and conveyor systems.

As a veteran-owned surplus parts distributor, Stanlo Automation offers reliable access to essential components like the Siemens 3UA5500-2D. We provide quality surplus parts, ensuring your operations run efficiently with cost-effective solutions.

Technical specifications

Setting Range	20-32A
Auxiliary Contacts	1NO+1NC
Mounting	Direct mount onto contactors/starters
Type	Thermal Delayed Overload Relay
Manufacturer	Siemens

Common applications

Motor control

Pump stations

Conveyor systems

HVAC systems

Machine tools

Industrial machinery

Power distribution

Compatible systems

Siemens 3UA55 series contactors and starters

Also known as

Siemens 3UA55 Overload Relay 3UA55002D 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

Ensure correct mounting and wiring to the associated Siemens contactor for proper thermal overload protection functionality.

What happens next?

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Frequently asked questions

What is the function of the Siemens 3UA5500-2D overload relay?

The Siemens 3UA5500-2D is a thermal delayed overload relay that provides protection for electric motors against overload and phase imbalance. It is designed to trip the circuit when motor current exceeds a set limit for a specific duration.