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Siemens 3UA5000-1C Thermal Overload Relay for Contactor Mounting

Siemens 3UA5000-1C thermal overload relay, 1.6-2.5A, for contactor mounting.

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ManufacturerSiemens

Part number3UA5000-1C

Type Thermal Delayed Overload Relay

Setting Range 1.6-2.5A

Auxiliary Contacts 1NO+1NC

Mounting Onto Contactors

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Veteran-owned

CAGE: 9NK75

Adjustable thermal trip setting Direct mounting on contactors Suitable for small to medium motors Integrated auxiliary contacts (1NO+1NC) Compact and efficient Reliable Siemens quality

Product description

The Siemens 3UA5000-1C is a thermal delayed overload relay designed for direct mounting onto Siemens contactors, offering reliable protection for small to medium motors. It features an adjustable setting range of 1.6 to 2.5 Amps and includes one normally open (NO) and one normally closed (NC) auxiliary contact for control and signaling purposes.

This overload relay is a vital component in motor starter assemblies, providing essential protection against overcurrents and phase unbalance. It is widely used in industrial control panels for various applications, including pumps, fans, and small conveyor systems.

Stanlo Automation, a veteran-owned provider of industrial automation surplus parts, offers the Siemens 3UA5000-1C. We ensure our customers receive high-quality, dependable components. Partner with Stanlo Automation for your motor protection needs and benefit from our expertise and commitment to service.

Technical specifications

Type	Thermal Delayed Overload Relay
Setting Range	1.6-2.5A
Auxiliary Contacts	1NO+1NC
Mounting	Onto Contactors
Manufacturer	Siemens

Common applications

Motor protection

Industrial control

HVAC systems

Pump applications

Fan motors

Small machinery control

Compatible systems

Siemens contactors

Also known as

Siemens 3UA5000-1C relay 3UA5000-1C motor starter Siemens 1.6-2.5A overload

Replaces / compatible with

Designed for direct mounting on Siemens contactors, this relay is ideal for replacing older versions within the 1.6-2.5A protection range. Consult Siemens documentation for specific compatible contactor series.

Technical note

Expert tip

Ensure the ambient temperature compensation feature is considered for accurate tripping in environments with significant temperature fluctuations.

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Frequently asked questions

How does the Siemens 3UA5000-1C overload relay protect a motor?

The Siemens 3UA5000-1C protects motors by monitoring the current drawn. If the current exceeds the set limit for a prolonged period, indicating an overload or fault condition, its internal thermal element trips, opening the control circuit and stopping the motor.