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Siemens 3RB2026-2SB0 Overload Relay - 3-12A, Size S0, Class 20

Siemens 3RB2026-2SB0 overload relay for motor protection.

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ManufacturerSiemens

Part number3RB2026-2SB0

Current Range 3-12 A

Size S0

Class 20

Reset Manual/Automatic

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12-month warranty

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CAGE: 9NK75

Motor overload protection Adjustable current setting Class 20 tripping Contactor compatible Manual and auto reset Screw terminals

Product description

The Siemens 3RB2026-2SB0 is a Class 20 overload relay designed for motor protection, with an adjustable current range of 3-12 A and a size S0 frame. It offers both manual and automatic reset options and is intended for direct mounting onto compatible Siemens contactors. The main and auxiliary circuits are equipped with screw terminals for secure connections.

This relay is crucial for safeguarding electric motors against thermal overload and phase imbalance in various industrial settings. It is commonly used in control panels for pumps, fans, conveyors, and other machinery where motor reliability is paramount.

Stanlo Automation, a veteran-owned distributor, specializes in providing surplus and hard-to-find industrial automation components. The Siemens 3RB2026-2SB0 is available through our inventory, offering a cost-effective solution for your maintenance and upgrade needs.

Technical specifications

Current Range	3-12 A
Size	S0
Class	20
Reset	Manual/Automatic
Mounting	Contactor Mounting
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Screw

Common applications

Motor control

Industrial automation

Pump applications

Fan control

Conveyor systems

Manufacturing equipment

Compatible systems

Siemens 3RT2 contactors SIRIUS 3RB3 series

Also known as

Siemens 3RB2026-2SB0 SIRIUS 3RB20 Siemens S0 overload relay

Replaces / compatible with

This phased-out product has a preferred successor: Siemens 3RB3026-2SB0. It serves as a reliable motor protection component for various industrial applications.

Technical note

Expert tip

This is a phased-out product. The preferred successor is the Siemens 3RB3026-2SB0, offering similar functionality with updated technology.

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Frequently asked questions

What is the tripping class of the Siemens 3RB2026-2SB0 overload relay?

The Siemens 3RB2026-2SB0 overload relay is a Class 20 device. This means it has a reset time of approximately 4-8 seconds at six times the set current, which is suitable for most motor starting requirements.