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Siemens 3RU2136-4BD0 SIRIUS Thermal Overload Relay - 14-20A

Siemens 3RU2136-4BD0 Thermal Overload Relay for motor protection.

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ManufacturerSiemens

Part number3RU2136-4BD0

Adjustable Current 14-20 A

Size S2

Class 10

Mounting Contactor

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Thermal overload protection Phase failure sensitivity Manual or automatic reset Contactor mounting Class 10 tripping Screw and spring terminals

Product description

The Siemens 3RU2136-4BD0 is a thermal overload relay designed for robust motor protection. It features an adjustable current range from 14 to 20 Amps and operates with Class 10 tripping characteristics, providing critical defense against overloads and phase failures. This model is designed for direct mounting onto contactors, employing screw terminals for the main circuit and spring-type terminals for the auxiliary circuit, with support for manual or automatic reset.

This overload relay is essential for various industrial applications, including motor control centers, pump systems, and general machinery operation. Its reliable performance and compatibility with Siemens 3RT2 size S2 contactors make it a valuable component in automation systems.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RU2136-4BD0. We are committed to providing quality components and efficient service to keep your operations running.

Technical specifications

Adjustable Current	14-20 A
Size	S2
Class	10
Mounting	Contactor
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Spring-type
Reset	Manual/Automatic
Max Rated Operation Voltage	690 V AC

Common applications

Motor control centers

Pump systems

Industrial machinery

Fan control

Compressor protection

Compatible systems

Siemens 3RT2 Size S2 Contactors

Also known as

Siemens SIRIUS 3RU2136-4BD0 3RU21364BD0 Motor overload relay S2

Replaces / compatible with

This overload relay is designed for direct mounting onto Siemens 3RT2 size S2 contactors.

Technical note

Expert tip

The combination of screw and spring-type terminals on this relay provides a secure main circuit connection and a quick-connect auxiliary circuit.

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Frequently asked questions

What is the current adjustment range for the Siemens 3RU2136-4BD0 overload relay?

The Siemens 3RU2136-4BD0 overload relay has an adjustable current setting range of 14 to 20 Amps. This allows for precise protection tailored to the motor's operational requirements.