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Siemens 3RU2126-1JB0 Thermal Overload Relay - 7-10A

Siemens 3RU2126-1JB0 thermal overload relay for motor protection.

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ManufacturerSiemens

Part number3RU2126-1JB0

Current Setting 7.0-10 A

Size S0

Class 10

Reset Manual/Automatic

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Thermal overload protection Motor protection Size S0 Class 10 Screw terminals Manual/Automatic reset

Product description

The Siemens 3RU2126-1JB0 is a thermal overload relay designed for robust motor protection. It offers a current setting range of 7.0 to 10 Amps and is built for Size S0 applications, adhering to Class 10 protection standards. This relay is intended for contactor mounting and features screw terminals for both its main power and auxiliary control circuits, supporting manual or automatic reset.

This overload relay is suitable for protecting motors in a variety of industrial settings, including conveyor systems, pumps, and processing machinery. Its Class 10 rating ensures it trips within acceptable limits for most motor start-up requirements.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 3RU2126-1JB0. We aim to provide reliable components and excellent service to keep your automation systems running efficiently.

Technical specifications

Current Setting	7.0-10 A
Size	S0
Class	10
Reset	Manual/Automatic
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Screw
Mounting	Contactor Mounting

Common applications

Conveyor systems

Industrial pumps

Processing machinery

Motor control

Manufacturing automation

Electrical panels

Compatible systems

Compatible with Siemens contactors of Size S0

Also known as

Siemens 3RU2126-1JB0 SIRIUS 3RU21 Overload Relay Siemens Motor Protection

Replaces / compatible with

Designed for mounting with compatible Siemens contactors of Size S0, this overload relay is part of the SIRIUS 3RU21 series. It can replace previous versions of Siemens overload relays for Size S0 motor protection.

Technical note

Expert tip

Ensure the relay is correctly coupled to the specified Siemens contactor size S0 for proper functionality and thermal transfer.

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Frequently asked questions

What type of reset function does the Siemens 3RU2126-1JB0 overload relay offer?

The Siemens 3RU2126-1JB0 overload relay supports both manual and automatic reset functions. The selection between manual and automatic reset depends on the specific safety requirements and operational procedures of the application it is installed in.