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Siemens 3RB3123-4PB0

Name: Overload Relay 1...4A for Motor Protection, Size S0, Class 5...30 Contactor
Brand: Siemens
SKU: 3RB3123-4PB0

Overload Relay 1...4A for Motor Protection, Size S0, Class 5...30 Contactor

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Manufacturer catalogue image

Product Description

RoHS CompliantLifecycle Status:

The Overload Relay is designed to provide electronic protection for motors. It comes in a size S0, Class 5...30 contactor configuration, ensuring reliable performance. The relay features both main and auxiliary circuit screw connections for easy installation. Its manual-automatic-reset feature allows for flexible operation, while the internal ground fault detection ensures safety.

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Offer details

Offer from:: Trusted supplier — Germany, member since 2024
Availability:: On requestLead time: 3 days
Warranty:: Not specified
Condition:: New Factory Sealed

New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.

The Seller is responsible for shipping the product and invoicing

Specifications

Brand: Siemens
Type of actuation: AC
Release class: adjustable
Assembly type: Miscellaneous
External reset possible
Connection type: Screw connection
Description of product type: 3RB3

Available Offers

(2)

	Condition	Availability	Supplier	Warranty	Action
	Condition New Factory Sealed	Availability On requestLead time: 3 days	Supplier GermanyTrusted supplier — member since 2024	Warranty Not specified
	Condition New Factory Sealed	Availability On requestLead time to be confirmed	Supplier ItalyTrusted supplier — member since 2021, 10–19 employees	Warranty 12 months

Offer with manufacturer lead time

Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.

Documents

Data Sheet

Datasheet for Siemens 3RB3123-4PB0, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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Product data updated: 18-09-2026

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