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3RU2126-1JB0
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3RU2126-1JB0
SIEMENS
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3RU2126-1JB0 - Thermal Overload Relay 7 - 10 A, Direct Mounting, Manual Reset, Suitable For S0 Size 3RT Contactor - siemens

Cat No. 3RU2126-1JB0
Category Over Load Relay
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Over Load Relay

In Stock — 7 Qty

$57.26
Quantity Expected Delivery
7 Units 25 Business Days

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Technical Specification

SIEMENS 3RU2126-1JB0 Over Load Relay Technical Specification

Over Load Relay
Bimetal relay Type -
Contactor Type 3RU
Current Range 7-10A
Range of Product —
Secondary Volt Ac -
Sub Family -
Type Thermal Overload Relay

Product Details

Siemens 3RU2126-1JB0 - Overload relay 7.0...10 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 3RU2126-1JB0 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 3RU2126-1JB0 - Overload relay 7.0...10 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 3RU2126-1JB0

The Siemens 3RU2126-1JB0 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 3RU2126-1JB0 is available on Electrihub with detailed wiring diagrams, trip curves, and installation specifications.
The price of SIEMENS 3RU2126-1JB0 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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Shubham Menon Jun 8, 2026

Smooth ordering process and quick delivery. This SIEMENS Over Load Relay (3RU2126-1JB0) is authentic and works exactly as required. Will buy again from RAS Electrihub.

Ravi Verma Jun 8, 2026

We always trust SIEMENS for protection devices. This Over Load Relay was available in stock on RAS Electrihub at a competitive price. Support team helped with cross-checking the model compatibility.

Rishabh Tripathi Jun 8, 2026

Great procurement experience on RAS Electrihub's .in portal. Fast transit and genuine SIEMENS product. The 3RU2126-1JB0 is installed and running fine.

Marco B. Dec 2, 2025

The SIEMENS 3RU2126-1JB0 overload relay has proven to be a reliable choice for industrial motor protection systems. The 3RU2126-1JB0 fast response time, accurate thermal settings, and durable construction have significantly improved our motor system reliability.

Sarah M. Dec 2, 2025

We have deployed SIEMENS 3RU2126-1JB0 across multiple motor installations and consistently achieved excellent overload protection performance. The 3RU2126-1JB0 construction is robust, the thermal sensing is accurate, and the trip characteristics are precisely calibrated.

Isabella T. Dec 2, 2025

Our facility's motor protection has been significantly enhanced with SIEMENS 3RU2126-1JB0 installation. The 3RU2126-1JB0 precise thermal protection mechanism, reliable operation, and excellent compatibility make this an ideal choice for modern motor control panels.

Jessica L. Dec 2, 2025

Extensive field testing confirms the superior quality of SIEMENS 3RU2126-1JB0. The 3RU2126-1JB0 construction is robust, the overload protection mechanism is accurate, and the operational efficiency is outstanding.

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