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3RU2126-1GB0
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3RU2126-1GB0
SIEMENS
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3RU2126-1GB0 - Thermal Overload Relay 4.5 - 6.3 A, Direct Mounting, Auto/Manual Reset, Suitable For S0 Size 3RT Contactor - siemens

Cat No. 3RU2126-1GB0
Category Over Load Relay
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Over Load Relay

In Stock — 15 Qty

$55.79
Quantity Expected Delivery
15 Units 25 Business Days

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Technical Specification

SIEMENS 3RU2126-1GB0 Over Load Relay Technical Specification

Over Load Relay
Bimetal relay Type -
Contactor Type 3RU
Current Range 4.5-6.3A
Range of Product —
Secondary Volt Ac -
Sub Family -
Type Thermal Overload Relay

Product Details

Siemens 3RU2126-1GB0 - Overload relay 4.5...6.3 A Thermal For motor protection Size S0, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

SIEMENS 3RU2126-1GB0 dimensions and weight

Dimensions (L × W × H)
Length 4.9 cm
Width 10.2 cm
Height 10.2 cm
Weight
Net Weight 0.5 kg

Dimensions are approximate. For precise dimensional drawings, contact us.

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Product Overview

Siemens 3RU2126-1GB0 - Overload relay 4.5...6.3 A Thermal For motor protection Size S0, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Frequently Asked Questions for 3RU2126-1GB0

The Siemens 3RU2126-1GB0 overload relay provides dependable motor protection with thermal overload sensing, phase imbalance detection, adjustable current settings, manual/auto reset options, and seamless coordination with Siemens contactors.
It is used in MCC panels, pump applications, conveyor systems, compressors, HVAC units, and industrial automation setups requiring overload protection.
It monitors the motor current and trips during overload, phase failure, or overheating, preventing damage to motor windings and extending operational lifespan.
Check full-load motor current, trip class rating, compatibility with Siemens contactors, auxiliary contact requirements, and reset mode settings.
Ensure proper mounting alignment with the contactor, correct wiring of control circuits, accurate overload dial setting based on motor FLC, and verify the trip/reset operation.
Price varies depending on current range and model series. Visit Electrihub for the latest Siemens overload relay pricing and availability.
The official Siemens datasheet for 3RU2126-1GB0 is available on Electrihub with detailed wiring diagrams, trip curves, and installation specifications.
The price of SIEMENS 3RU2126-1GB0 Over Load Relay depends on specifications, availability, and market conditions. You can check the latest GST-inclusive price on Electrihub India, which provides genuine products, transparent billing, and PAN India delivery.
Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.
Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.
Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.

Reviews & Ratings

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Vivaan Maji Jun 8, 2026

Completely satisfied with the SIEMENS 3RU2126-1GB0 Over Load Relay purchased via RAS Electrihub. Original packaging was intact, and it was delivered within 3 days.

Vivaan Gill Jun 8, 2026

Received the Over Load Relay in perfect condition. RAS Electrihub team responded quickly to our quotation request. Great option for industrial buyers.

Dinesh Deshmukh Jun 8, 2026

Great platform to buy original automation and control components. This 3RU2126-1GB0 Over Load Relay is performing up to the mark. Thanks RAS Electrihub.

Pankaj Bansal Jun 8, 2026

RAS Electrihub offers the best commercial pricing for SIEMENS switchgears. The 3RU2126-1GB0 works flawlessly in our thermal protection circuits.

Sanjay Garg Jun 8, 2026

Superb product quality from SIEMENS. Thanks to RAS Electrihub for the secure packing and tracking updates until it reached our factory site.

Carlos V. Dec 2, 2025

SIEMENS 3RU2126-1GB0 exceptional thermal overload protection.

Daniel J. Dec 2, 2025

Professional grade 3RU2126-1GB0, highly dependable overload relay.

Carlos V. Dec 2, 2025

Outstanding 3RU2126-1GB0 motor overload protection performance and reliability across applications.

David K. Dec 2, 2025

Best in class 3RU2126-1GB0 thermal protection mechanism with dependable operation.

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