Siemens Thermal Overload Relay 140–200 A, Class 10, Size S6, Separate Mounting – 3RU2156-5EB10-8K

Product Description

The Siemens 3RU2156-5EB10-8K is a genuine SIRIUS 3RU Thermal Overload Relay designed to provide reliable motor overload protection for three-phase induction motors. This Class 10, Size S6 relay features an adjustable current range of 140–200 A and is suitable for motors up to 110 kW. Designed for separate mounting, it includes busbar connections for the main circuit, screw terminals for the auxiliary circuit, and supports manual and automatic reset operation. It helps protect motors against overload, phase failure, and overheating, ensuring longer motor life and minimizing costly downtime.

The 3RU2156-5EB10-8K is ideal for use in Motor Control Centers (MCCs), industrial control panels, OEM machinery, pumps, compressors, conveyors, HVAC systems, water treatment plants, and manufacturing facilities. Its robust design, precise tripping characteristics, and dependable performance make it an excellent choice for demanding industrial applications requiring reliable motor protection.

At SB Smart, Faridabad, we supply 100% genuine Siemens SIRIUS Thermal Overload Relays, Contactors, MPCBs, Soft Starters, MCCBs, MCBs, PLCs, HMIs, VFDs, and Industrial Automation Products at competitive prices. We offer GST invoices, expert technical support, bulk order pricing, secure packaging, and fast delivery across Faridabad, Delhi NCR, Mumbai, Pune, Bengaluru, Chennai, Hyderabad, Ahmedabad, Kolkata, and all major cities in India.

Key Features

• Genuine Siemens SIRIUS Thermal Overload Relay
• Model: 3RU2156-5EB10-8K
• Current Setting Range: 140–200 A
• Motor Rating: Up to 110 kW
• Class 10 Tripping Characteristic
• Size S6
• Separate Mounting Design
• Main Circuit: Busbar Connection
• Auxiliary Circuit: Screw Terminal
• Manual and Automatic Reset
• Reliable Overload and Phase Failure Protection
• Rugged Industrial Construction
• Long Service Life

Applications

• Motor Control Centers (MCC)
• Industrial Control Panels
• OEM Machinery
• Pumps and Compressors
• Conveyor Systems
• HVAC Systems
• Water Treatment Plants
• Manufacturing Facilities
• Process Industries
• Industrial Automation Systems

Benefits

• Protects motors against overload and phase failure
• Reduces motor damage and downtime
• Adjustable current setting for flexible applications
• Accurate Class 10 tripping performance
• Easy installation with separate mounting
• Reliable operation in demanding industrial environments
• Low maintenance and long service life
• Genuine Siemens quality for dependable performance

Frequently Asked Questions (FAQs)

Q1. What is the Siemens 3RU2156-5EB10-8K used for?

The 3RU2156-5EB10-8K is a thermal overload relay designed to protect three-phase motors from overload and phase failure in industrial applications.

Q2. What is the adjustable current range of this overload relay?

It has an adjustable overload setting of 140–200 A, making it suitable for high-current motor protection.

Q3. What type of mounting and terminals does it use?

This relay is designed for separate mounting, with busbar connections for the main circuit and screw terminals for the auxiliary circuit.

Q4. Does the relay support manual and automatic reset?

Yes. The 3RU2156-5EB10-8K supports both manual and automatic reset functions for convenient operation and maintenance.

Q5. Why buy Siemens 3RU2156-5EB10-8K from SB Smart Faridabad?

SB Smart, Faridabad supplies 100% genuine Siemens industrial automation products with competitive pricing, GST invoices, expert technical support, bulk order discounts, and fast delivery across India.