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Siemens 3RU2136-4DD0 SIRIUS Thermal Overload Relay - 18-25A

Siemens 3RU2136-4DD0 SIRIUS thermal overload relay.

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ManufacturerSiemens

Part number3RU2136-4DD0

Adjustable Current Range 18-25A

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 Size S2 frame

Product description

The Siemens 3RU2136-4DD0 is a thermal overload relay designed for motor protection. It features an adjustable current range of 18 to 25 Amps and is rated for motor protection with a Size S2 frame and Class 10 tripping class. This relay is suitable for direct mounting onto Siemens Sirius 3RT203 series contactors, simplifying installation and wiring.

This overload relay is essential for protecting three-phase motors from damage due to overloads, phase asymmetry, and phase failure. Its applications span various industries, including manufacturing, HVAC, and material handling, where reliable motor control and protection are critical. The manual or automatic reset function offers flexibility in operation and maintenance.

Stanlo Automation, a veteran-owned business, offers the Siemens 3RU2136-4DD0 and a wide range of industrial automation surplus parts. We are committed to providing quality components and exceptional customer service, ensuring you find the parts you need to keep your operations running smoothly.

Technical specifications

Adjustable Current Range	18-25A
Size	S2
Trip Class	10
Mounting	Contactor Mounting
Main Circuit Connection	Screw
Auxiliary Circuit Connection	Spring-type terminal
Reset	Manual/Automatic

Common applications

Motor Control

Industrial Automation

HVAC Systems

Material Handling

Pump Control

Manufacturing Equipment

Compatible systems

Siemens 3RT203 series contactors (Size S2)

Also known as

Siemens 3RU2136-4DD0 Overload Relay SIRIUS 3RU2136-4DD0 Siemens Motor Protection Relay

Replaces / compatible with

Replaces older Siemens 3RU11 series overload relays in compatible applications.

Technical note

Expert tip

This relay is designed for direct mounting on Siemens 3RT203 size S2 contactors and features spring-type terminals for the auxiliary circuit for secure and vibration-resistant connections.

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Frequently asked questions

What is the adjustable current range for the Siemens 3RU2136-4DD0 overload relay?

The Siemens 3RU2136-4DD0 overload relay has an adjustable current response value ranging from 18 to 25 Amps. This allows for precise setting of motor protection based on its specific current draw.