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Siemens 3RU2136-4GD0 SIRIUS Thermal Overload Relay - 36-45A

Siemens 3RU2136-4GD0 SIRIUS thermal overload relay.

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ManufacturerSiemens

Part number3RU2136-4GD0

Adjustable Current Range 36-45A

Size S2

Trip Class 10

Mounting Contactor Mounting

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Thermal overload protection Phase failure sensitivity Manual or automatic reset Direct contactor mounting Class 10 tripping Spring-type auxiliary terminals

Product description

The Siemens 3RU2136-4GD0 is a thermal overload relay engineered for dependable motor protection. It offers an adjustable current range of 36 to 45 Amps, a Size S2 frame, and adheres to Class 10 tripping standards. This model is designed for direct mounting onto Siemens Sirius 3RT203 size S2 contactors, featuring spring-type terminals for the auxiliary circuit.

This overload relay is crucial for safeguarding three-phase motors from thermal damage caused by overloads, phase asymmetry, and phase failure. Its applications span various industries, including industrial automation, material handling, and pump control systems. The relay provides both manual and automatic reset functions for operational flexibility.

Stanlo Automation, your veteran-owned source for industrial surplus, offers the Siemens 3RU2136-4GD0. We are committed to delivering high-quality automation components, competitive pricing, and efficient service to keep your operations running without interruption.

Technical specifications

Adjustable Current Range	36-45A
Size	S2
Trip Class	10
Mounting	Contactor Mounting
Main Circuit Connection	Screw
Auxiliary Circuit Connection	Spring-type terminal
Reset	Manual/Automatic
Rated Voltage	690V AC

Common applications

Motor Protection

Industrial Automation

Material Handling

Pump Control

HVAC Systems

Machine Building

Compatible systems

Siemens 3RT203 size S2 contactors

Also known as

Siemens 3RU2136-4GD0 Overload Relay SIRIUS 3RU2136-4GD0 Siemens Motor Starter Overload

Replaces / compatible with

Designed for direct mounting on Siemens 3RT203 size S2 contactors, this relay can replace older 3RU11 series overload relays with similar electrical parameters.

Technical note

Expert tip

This relay is suitable for direct mounting on 3RT203 contactors and also supports stand-alone installation with appropriate accessories, offering installation flexibility.

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Frequently asked questions

Does the Siemens 3RU2136-4GD0 have manual or automatic reset capabilities?

Yes, the Siemens 3RU2136-4GD0 overload relay features both manual and automatic reset capabilities. The desired reset mode can be selected by rotating the blue RESET button.