Product Description

Siemens SIRIUS Thermal Overload Relay S00 3.5–5A Class 10 – 3RU2116-1FB0

Product Description

The Siemens 3RU2116-1FB0 is a high-quality Siemens SIRIUS Thermal Overload Relay designed for reliable motor overload protection in industrial electrical systems, motor starter panels, control cabinets, and automation applications. Part of the proven SIRIUS 3RU2 series, this motor protection relay provides an adjustable current setting range of 3.5–5.0A with a Class 10 thermal trip characteristic, helping protect motors against prolonged overload conditions and excessive operating current.

The 3RU2116-1FB0 overload relay features a compact S00 frame size and is designed for contactor mounting with compatible Siemens SIRIUS S00 contactors. It has a 3-pole main circuit, screw terminals for both the main and auxiliary circuits, and manual/automatic reset functionality. Its 690V insulation voltage and 6kV surge voltage resistance make it suitable for dependable operation in industrial motor control and electrical automation systems.

With an adjustable 3.5–5.0A overload protection range, this Siemens thermal overload relay can be accurately set according to the motor's rated current. It is suitable for DOL motor starters, pump control panels, compressors, conveyor systems, HVAC equipment, packaging machinery, machine tools, OEM panels, water treatment systems, and industrial automation applications.

The Siemens SIRIUS 3RU2 thermal overload relay is an effective solution for applications where reliable motor protection, compact panel installation, easy resetting, and compatibility with Siemens contactors are required.

At SB Smart, Faridabad, we supply genuine Siemens SIRIUS thermal overload relays, motor protection relays, contactors, motor protection circuit breakers, soft starters, MCCBs, MCBs, and industrial automation products at competitive prices. We provide GST invoices, technical assistance, bulk-order support, secure packaging, and delivery across Faridabad, Delhi NCR, and major cities throughout India.

Key Features

• Genuine Siemens SIRIUS 3RU2 Thermal Overload Relay

• Model: 3RU2116-1FB0

• Adjustable Overload Current Range: 3.5–5.0A

• Class 10 Thermal Trip Characteristic

• S00 Frame Size

• Designed for Contactor Mounting

• 3-Pole Main Circuit

• Main Circuit: Screw Terminals

• Auxiliary Circuit: Screw Terminals

• Manual/Automatic Reset

• Rated Operating Voltage: up to 690V

• Rated Insulation Voltage: 690V

• Surge Voltage Resistance: 6kV

• Compatible with Siemens SIRIUS S00 Contactors

• Power Loss: 6.6W at rated current in hot operating condition

• Operating Ambient Temperature: -40°C to +70°C

• Temperature Compensation: -40°C to +60°C

• Maximum Installation Altitude: 2,000m

• Compact design for industrial motor control panels

• Reliable motor overload protection

Applications

• Motor Control Centers (MCC)

• DOL Motor Starters

• Industrial Motor Starter Panels

• Motor Control Panels

• Pump Control Panels

• Compressor Systems

• Conveyor Systems

• HVAC Motor Control

• Packaging Machinery

• Machine Tools

• Water Treatment Plants

• OEM Control Panels

• Factory Automation

• Industrial Automation Systems

• Process Control Equipment

Benefits

• Provides reliable thermal overload protection for motors

• Adjustable 3.5–5.0A range enables accurate motor protection

• Class 10 trip characteristic supports motors with normal starting conditions

• Helps protect motors from prolonged overload and excessive current

• Manual/automatic reset provides flexible operation

• Contactor mounting simplifies motor starter assembly

• Screw terminals provide secure electrical connections

• Compact S00 overload relay saves valuable panel space

• Compatible with Siemens SIRIUS S00 contactors

• Helps improve motor operating reliability

• Reduces the risk of motor overheating caused by overload conditions

• Suitable for industrial electrical and automation applications

• Designed for reliable long-term operation

Frequently Asked Questions (FAQs)

Q1. What is Siemens 3RU2116-1FB0 used for?

The Siemens 3RU2116-1FB0 is a thermal overload relay and motor protection relay used to protect motors against excessive current and thermal overload conditions. It is designed for contactor mounting with compatible Siemens SIRIUS S00 contactors.

Q2. What is the overload current range of 3RU2116-1FB0?

The 3RU2116-1FB0 has an adjustable overload current range of 3.5A to 5.0A, allowing the protection setting to be matched to the motor's rated operating current.

Q3. What is the trip class of the Siemens 3RU2116-1FB0?

The relay has a Class 10 thermal trip characteristic, making it suitable for standard motor applications requiring thermal overload protection.

Q4. What is the frame size of 3RU2116-1FB0?

The 3RU2116-1FB0 is an S00-size Siemens SIRIUS thermal overload relay and is designed for combination with compatible S00-size contactors.

Q5. Does the 3RU2116-1FB0 have manual and automatic reset?

Yes. The Siemens 3RU2116-1FB0 supports manual/automatic reset, providing flexibility for different motor starter and control applications.

Q6. What type of terminals does this Siemens overload relay use?

The 3RU2116-1FB0 uses screw terminals for the main circuit and auxiliary circuit, providing conventional and secure electrical connections.

Q7. What is the insulation voltage of the 3RU2116-1FB0?

The relay has a rated insulation voltage of 690V and a 6kV surge voltage resistance.

Q8. Which contactor can be used with the 3RU2116-1FB0?

The relay is designed for S00 contactor mounting and can be combined with compatible Siemens SIRIUS S00 contactors to create a complete motor starter assembly.

Q9. Where can Siemens 3RU2116-1FB0 be used?

This Siemens motor overload relay can be used in DOL starters, pump control systems, compressors, conveyors, HVAC systems, packaging machines, machine tools, OEM panels, water treatment plants, and industrial automation systems.

Q10. Why buy Siemens 3RU2116-1FB0 from SB Smart?

SB Smart, Faridabad supplies genuine Siemens SIRIUS thermal overload relays, motor protection relays, contactors, and industrial automation products with competitive pricing, GST invoices, technical support, bulk-order assistance, secure packaging, and delivery across Faridabad, Delhi NCR, and India.