Worldwide shipping services

T&Cs apply

Global Supply Network

User-Friendly Platform

Expert Technical Support

24/7 Support

Secured Transactions

SSL & Stripe encrypted

3RU2126-4NB0
Click to zoom
3RU2126-4NB0
SIEMENS
(No reviews yet)

3RU2126-4NB0 - Thermal Overload Relay 23 - 28 A, Direct Mounting, Manual Reset, Suitable For S0 Size 3RT Contactor - siemens

Cat No. 3RU2126-4NB0
Category Over Load Relay
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Over Load Relay

In Stock — 3 Qty

$97.29
Quantity Expected Delivery
3 Units 25 Business Days

Reach out to us for project inquiries, Add to cart and click on send inquiry

Currently viewed by 46 users
Secure Payment with
Visa, MasterCard, American Express, Apple Pay, Discover, PayPal, Stripe
Need help on Inquiry? Call Us on +1 (888) 293-7436
Warranty Guarantee
100% Original Products
EEE Buyer Protection
World-Wide Reach

Technical Documents

No Data Available

There is no data to show you right now.

Technical Specification

SIEMENS 3RU2126-4NB0 Over Load Relay Technical Specification

Over Load Relay
Bimetal relay Type -
Contactor Type 3RU
Current Range 23--28A
Range of Product —
Secondary Volt Ac -
Sub Family -
Type Thermal Overload Relay

Product Details

Siemens 3RU2126-4NB0 - Overload relay 23...28 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 3RU2126-4NB0 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.

Related Products

Frequently Bought Together

No Data Available

There is no data to show you right now.

Product Line Card

No Data Available

There is no data to show you right now.

Alternate Products

Product Overview

Siemens 3RU2126-4NB0 - Overload relay 23...28 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 3RU2126-4NB0

The Siemens 3RU2126-4NB0 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 3RU2126-4NB0 is available on Electrihub with detailed wiring diagrams, trip curves, and installation specifications.
The price of SIEMENS 3RU2126-4NB0 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

4.6
8 reviews
5
5
4
3
3
0
2
0
1
0
Abhay Deshmukh Jun 8, 2026

Great procurement experience on RAS Electrihub's .in portal. Fast transit and genuine SIEMENS product. The 3RU2126-4NB0 is installed and running fine.

Abhishek Mishra Jun 8, 2026

Purchased this SIEMENS Over Load Relay (3RU2126-4NB0) from RAS Electrihub. 100% genuine component received with proper manufacturer warranty and GST invoice. Highly recommended for industrial needs.

Pradeep Khanna Jun 8, 2026

Smooth ordering process and quick delivery. This SIEMENS Over Load Relay (3RU2126-4NB0) is authentic and works exactly as required. Will buy again from RAS Electrihub.

Harish Mishra Jun 8, 2026

The 3RU2126-4NB0 is working perfectly in our control panel. RAS Electrihub provided very fast delivery across India. Outstanding service.

John Martinez Dec 2, 2025

Highly recommended SIEMENS 3RU2126-4NB0 for motor safety.

Rajesh K. Dec 2, 2025

Superior 3RU2126-4NB0 motor overload protection with fast response.

Kavya T. Dec 2, 2025

High-quality 3RU2126-4NB0 provides dependable motor overload protection.

Carlos V. Dec 2, 2025

After extensive testing of SIEMENS 3RU2126-4NB0, this device demonstrates exceptional overload protection characteristics. The 3RU2126-4NB0 protection mechanism is responsive, accurate, and reliable under various load conditions. Installation was straightforward, and integration with motor control systems was seamless.

Related Categories

Tags

Subscribe to our Newsletter