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Siemens 3RU2126-4PC1 SIRIUS Thermal Overload Relay - 30-36A

Siemens 3RU2126-4PC1 Thermal Overload Relay for motor protection.

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ManufacturerSiemens

Part number3RU2126-4PC1

Adjustable Current 30-36 A

Size S0

Class 10

Mounting Stand-alone

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Thermal overload protection Phase failure sensitivity Manual or automatic reset Stand-alone installation Spring-type terminals Class 10 tripping

Product description

The Siemens 3RU2126-4PC1 is a thermal overload relay optimized for motor protection in stand-alone installations. It features an adjustable current range of 30 to 36 Amps with Class 10 tripping, providing effective defense against overloads and phase failures. This model utilizes spring-type terminals for both main and auxiliary circuits, offering a quick and secure connection, and supports manual or automatic reset.

This relay is well-suited for industrial applications requiring reliable standalone motor protection, such as in control cabinets and specialized machinery where ease of connection is paramount. The spring-type terminals facilitate faster wiring and maintenance compared to traditional screw terminals.

Stanlo Automation, a veteran-owned surplus parts distributor, is your reliable source for the Siemens 3RU2126-4PC1. We offer competitive pricing and ensure the availability of quality industrial automation components.

Technical specifications

Adjustable Current	30-36 A
Size	S0
Class	10
Mounting	Stand-alone
Main Circuit Terminals	Spring-type
Auxiliary Circuit Terminals	Spring-type
Reset	Manual/Automatic
Max Rated Operation Voltage	690 V AC

Common applications

Control cabinets

Standalone motor protection

Industrial automation

Machine building

Electrical panels

Compatible systems

General industrial control circuits

Also known as

Siemens SIRIUS 3RU2126-4PC1 3RU21264PC1 Motor overload relay S0 spring terminals

Replaces / compatible with

This is a stand-alone overload relay with spring terminals, suitable for various motor control circuits where quick connection is desired.

Technical note

Expert tip

The spring-type terminals on this relay offer vibration resistance and consistent contact pressure, ideal for demanding industrial environments.

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Frequently asked questions

What type of terminals does the Siemens 3RU2126-4PC1 overload relay use for its connections?

The Siemens 3RU2126-4PC1 overload relay utilizes spring-type terminals for both its main and auxiliary circuits. This design allows for quick and secure connections without the need for tools.