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Siemens 3RB2036-2UW1 Overload Relay - 12.5-50A, Size S2, Class 20

Siemens 3RB2036-2UW1 overload relay for stand-alone installation.

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ManufacturerSiemens

Part number3RB2036-2UW1

Current Range 12.5-50 A

Size S2

Class 20

Reset Manual/Automatic

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Motor overload protection Stand-alone installation Class 20 tripping Adjustable current setting Manual and automatic reset Straight-through transformer

Product description

The Siemens 3RB2036-2UW1 is a Class 20 overload relay designed for stand-alone installation, covering a current range of 12.5 to 50 A in a size S2 frame. It offers manual and automatic reset options. This unit features a straight-through transformer for its main circuit and screw terminals for its auxiliary circuit, making it suitable for independent mounting.

This overload relay is ideal for applications requiring self-contained motor protection, such as in HVAC systems, pump stations, and general industrial equipment where direct contactor integration isn't feasible. Its Class 20 rating provides reliable protection against thermal overloads.

Stanlo Automation, a veteran-owned surplus parts distributor, ensures you can procure the Siemens 3RB2036-2UW1. We specialize in providing essential industrial components, offering a dependable source for your MRO needs.

Technical specifications

Current Range	12.5-50 A
Size	S2
Class	20
Reset	Manual/Automatic
Mounting	Stand-alone Installation
Main Circuit	Straight-through Transformer
Auxiliary Circuit Terminals	Screw

Common applications

Stand-alone motor protection

HVAC systems

Pump stations

Industrial machinery

Material handling

Control panels

Compatible systems

Standalone control systems SIRIUS 3RB3 series

Also known as

Siemens 3RB2036-2UW1 SIRIUS 3RB20 Siemens S2 stand-alone relay

Replaces / compatible with

This phased-out product has a preferred successor: Siemens 3RB3036-2UW1. It is designed for stand-alone motor protection where a Class 20 rating is required.

Technical note

Expert tip

This model is a discontinued item, with the 3RB3036-2UW1 being the recommended replacement. The straight-through transformer facilitates standalone mounting configurations.

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Frequently asked questions

What type of main circuit connection does the Siemens 3RB2036-2UW1 have?

The Siemens 3RB2036-2UW1 overload relay features a straight-through transformer for its main circuit connection, designed specifically for stand-alone installations.