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3RU2156-5CB10-8K
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3RU2156-5CB10-8K
SIEMENS
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3RU2156-5CB10-8K - Overload relay 90...125 A CT operated for motor protection size S6, class 10 individual mounting main circuit busbar connection AUX. circuit screw terminal manual-automatic reset. - siemens

Cat No. 3RU2156-5CB10-8K
Category Over Load Relay
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Over Load Relay

In Stock — 4 Qty

$192.46
Quantity Expected Delivery
4 Units 25 Business Days

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Technical Specification

SIEMENS 3RU2156-5CB10-8K Over Load Relay Technical Specification

Over Load Relay
Bimetal relay Type TA25, TA42 and TA498
Contactor Type 3RU
Current Range 90-125A
Range of Product —
Secondary Volt Ac -
Sub Family -
Type Thermal Overload Relay

Product Details

Siemens 3RU2156-5CB10-8K - Overload relay 90...125 A CT operated for motor protection size S6, class 10 individual mounting main circuit: busbar connection AUX. circuit: screw terminal manual-automatic reset. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

SIEMENS 3RU2156-5CB10-8K dimensions and weight

Dimensions (L × W × H)
Length 12.9 cm
Width 18.1 cm
Height 18.1 cm
Weight
Net Weight 1.69 kg

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

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Product Overview

Siemens 3RU2156-5CB10-8K - Overload relay 90...125 A CT operated for motor protection size S6, class 10 individual mounting main circuit: busbar connection AUX. circuit: screw terminal manual-automatic reset. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Frequently Asked Questions for 3RU2156-5CB10-8K

The Siemens 3RU2156-5CB10-8K 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 3RU2156-5CB10-8K is available on Electrihub with detailed wiring diagrams, trip curves, and installation specifications.
The price of SIEMENS 3RU2156-5CB10-8K 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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Mahesh Patel Jun 8, 2026

Standard high quality from SIEMENS. The 3RU2156-5CB10-8K overload protection relay fits perfectly and works without issues. Great service from RAS Electrihub.

Mahesh Bhasin Jun 8, 2026

Good technical guidance from RAS Electrihub regarding this 3RU2156-5CB10-8K. The Over Load Relay operates perfectly. Box had minor dust but inside item was mint.

Karthik Kumar Jun 8, 2026

Got the SIEMENS 3RU2156-5CB10-8K delivered on time for our project breakdown. RAS Electrihub saved us a lot of downtime. Quality is top-notch.

Mariana P. Dec 2, 2025

Our facility's motor protection has been significantly enhanced with SIEMENS 3RU2156-5CB10-8K installation. The 3RU2156-5CB10-8K precise thermal protection mechanism, reliable operation, and excellent compatibility make this an ideal choice for modern motor control panels.

James L. Dec 2, 2025

The SIEMENS 3RU2156-5CB10-8K overload relay has proven to be a reliable choice for industrial motor protection systems. The 3RU2156-5CB10-8K fast response time, accurate thermal settings, and durable construction have significantly improved our motor system reliability.

Sandeep M. Dec 2, 2025

After extensive testing of SIEMENS 3RU2156-5CB10-8K, this device demonstrates exceptional overload protection characteristics. The 3RU2156-5CB10-8K protection mechanism is responsive, accurate, and reliable under various load conditions. Installation was straightforward, and integration with motor control systems was seamless.

Johan A. Dec 2, 2025

The SIEMENS 3RU2156-5CB10-8K overload relay has proven to be a reliable choice for industrial motor protection systems. The 3RU2156-5CB10-8K fast response time, accurate thermal settings, and durable construction have significantly improved our motor system reliability.

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