Product Description

Siemens SIRIUS Thermal Overload Relay – 3RU2116-4AB00-8K

Product Description

The Siemens SIRIUS Thermal Overload Relay – 3RU2116-4AB00-8K is a reliable motor protection relay designed to protect three-phase electric motors against overload, phase failure, and overheating in industrial motor control systems. As part of the trusted Siemens SIRIUS 3RU2 series, this thermal overload relay provides accurate thermal tripping to safeguard motors from excessive current, reducing the risk of motor damage and unexpected downtime. It is designed for S00-size contactor mounting and features a Class 10 tripping characteristic with manual and automatic reset, making it an ideal solution for standard motor starting applications.

The Siemens 3RU2116-4AB00-8K Thermal Overload Relay is widely used in Motor Control Centers (MCC), Direct-On-Line (DOL) starters, Star-Delta starters, industrial control panels, pump control systems, compressors, conveyor systems, HVAC equipment, machine tools, manufacturing plants, OEM machinery, and industrial automation systems. It delivers dependable overload protection, improves equipment reliability, minimizes maintenance costs, and extends the operational life of motors and electrical equipment.

Manufactured with Siemens' advanced engineering and industrial-quality standards, this SIRIUS thermal overload relay offers reliable performance, long service life, and easy integration with compatible Siemens contactors. It is trusted by panel builders, OEMs, electrical contractors, maintenance engineers, and industrial professionals for demanding motor protection applications.

At SB Smart, we supply genuine Siemens SIRIUS Thermal Overload Relays, motor protection devices, and industrial electrical products with competitive pricing, expert technical support, bulk order assistance, and fast PAN India delivery.

Key Features

• Genuine Siemens SIRIUS Thermal Overload Relay

• Reliable overload and phase failure protection

• Class 10 tripping characteristic

• Designed for S00-size contactor mounting

• Manual and automatic reset function

• Accurate thermal overload protection

• Helps prevent motor overheating

• Durable industrial-grade construction

• Easy installation and maintenance

• Long operational service life

• Trusted Siemens engineering and quality

Applications

• Motor Control Centers (MCC)

• Direct-On-Line (DOL) Starters

• Star-Delta Starters

• Industrial Control Panels

• Pump Control Systems

• Compressor Panels

• Conveyor Systems

• Machine Tools

• HVAC Systems

• Manufacturing Plants

• Water Treatment Plants

• Food Processing Industry

• Textile Industry

• OEM Machinery

• Industrial Automation Systems

Benefits

• Protects motors against overload and overheating

• Detects phase failure for enhanced motor safety

• Reduces motor damage and maintenance costs

• Extends motor service life

• Improves equipment reliability

• Minimizes unexpected downtime

• Supports continuous industrial operation

• Easy integration with Siemens contactors

• Cost-effective motor protection solution

Why Buy from SB Smart?

• 100% Genuine Siemens Products

• Competitive Industrial Pricing

• Expert Technical Support

• Bulk Order Assistance

• Fast PAN India Delivery

• Secure Packaging

• Trusted Industrial Electrical Supplier

• GST Invoice Available

• Responsive Customer Support

Frequently Asked Questions (FAQs)

Q1. What is the Siemens 3RU2116-4AB00-8K used for?

It is used to protect three-phase electric motors against overload, overheating, and phase failure in industrial motor control systems.

Q2. Where can this thermal overload relay be installed?

It is commonly installed in MCC panels, DOL starters, star-delta starters, industrial control panels, pump systems, compressors, conveyors, HVAC equipment, and OEM machinery.

Q3. What is the advantage of the manual and automatic reset function?

The relay allows users to choose either manual or automatic reset based on the application's safety and operational requirements, improving flexibility in motor protection systems.

Q4. Which industries commonly use this relay?

It is widely used in manufacturing plants, water treatment facilities, food processing, textile, HVAC, packaging, process industries, and industrial automation applications.

Q5. Does SB Smart supply genuine Siemens 3RU2116-4AB00-8K products?

Yes. SB Smart supplies genuine Siemens SIRIUS thermal overload relays with competitive pricing, expert technical support, bulk order assistance, and fast PAN India delivery.