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Siemens Thermal Overload Relay - 120-150A Setting

Siemens 3UA6201-3K thermal overload relay, 120-150A setting.

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ManufacturerSiemens

Part number3UA6201-3K

Type Thermally Delayed Overload Relay

Setting Range 120 to 150A

Auxiliary Contacts 1 NO + 1 NC

Mounting Direct onto 3TB50/52 Contactors

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Adjustable 120-150A Setting Thermally Delayed Protection 1 NO + 1 NC Auxiliary Contacts Direct Contactor Mount Single Unit Installation

Product description

This Siemens 3UA6201-3K is a thermally delayed overload relay designed for motor protection. It features an adjustable setting range of 120 to 150 Amperes and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. This relay is intended for direct mounting onto Siemens 3TB50 and 3TB52 contactors.

It provides essential overcurrent protection for three-phase motors, safeguarding against damage from overloads and phase failures. The relay is designed for installation as a single unit, simplifying wiring and panel layout in motor control applications across various industries.

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Technical specifications

Type	Thermally Delayed Overload Relay
Setting Range	120 to 150A
Auxiliary Contacts	1 NO + 1 NC
Mounting	Direct onto 3TB50/52 Contactors
Application	Motor Protection
Installation	Single Unit Only

Common applications

Motor Control Panels

Pump Stations

Conveyor Systems

Industrial Machinery

HVAC Systems

Machine Tools

Compatible systems

Siemens 3TB50 Contactors Siemens 3TB52 Contactors Three-Phase Motor Circuits

Also known as

Siemens Thermal Overload

Replaces / compatible with

Designed to mount directly onto Siemens 3TB50 and 3TB52 contactors for integrated motor protection.

Technical note

Expert tip

This relay must be installed as a single unit and is intended for direct mounting onto specified Siemens contactors; separate installation kits are not required.

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Frequently asked questions

What type of contactors is the Siemens 3UA6201-3K overload relay designed to mount onto?

The Siemens 3UA6201-3K overload relay is specifically designed for direct mounting onto Siemens 3TB50 and 3TB52 contactors. It provides a compact motor protection solution when paired with these contactors.