The Siemens 3RU2116-1GB0 is a reliable Siemens SIRIUS Thermal Overload Relay designed for effective motor overload protection in industrial electrical systems, motor control panels, automation equipment, and motor starter applications. Part of the proven SIRIUS 3RU2 series, this motor protection relay features an adjustable current response range of 4.5–6.3A and a Class 10 thermal trip characteristic, helping protect motors against excessive current and thermal overload conditions.
The 3RU2116-1GB0 thermal overload relay features a compact S00 frame size and is designed for contactor mounting with compatible Siemens SIRIUS S00 contactors. It provides a 3-pole main circuit, screw terminals for both the main and auxiliary circuits, and manual/automatic reset functionality. With a 690V insulation voltage and 6kV surge voltage resistance, this Siemens motor overload relay is designed for dependable operation in industrial motor control environments.
The adjustable 4.5–6.3A motor protection range allows the overload setting to be matched with the motor's rated operating current. This Siemens thermal overload relay is suitable for DOL motor starters, pump control panels, compressor systems, conveyor systems, HVAC equipment, packaging machinery, machine tools, OEM control panels, water treatment systems, and industrial automation applications.
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.
Genuine Siemens SIRIUS 3RU2 Thermal Overload Relay
Model: 3RU2116-1GB0
Adjustable Motor Overload Protection Range: 4.5–6.3A
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: 690V
Rated Insulation Voltage: 690V
Surge Voltage Resistance: 6kV
Operating Frequency: 50–60 Hz
Power Loss: 6.6W
Compatible with Siemens SIRIUS S00 Contactors
Compact Industrial Design
Designed for reliable Motor Overload Protection
Motor Control Centers (MCC)
DOL Motor Starters
Industrial Motor Control Panels
Motor Starter Panels
Pump Control Systems
Compressor Systems
Conveyor Systems
HVAC Motor Applications
Packaging Machinery
Machine Tools
Water Treatment Plants
OEM Control Panels
Industrial Automation Systems
Factory Automation
Process Control Equipment
Provides reliable thermal overload protection for motors
Adjustable 4.5–6.3A range enables accurate motor protection
Class 10 trip characteristic is suitable for motors with normal starting conditions
Helps protect motors against damaging overload conditions
Manual/automatic reset provides flexible operation
Contactor mounting simplifies motor starter assembly
Screw terminals provide secure electrical connections
Compact S00 overload relay design helps optimize panel space
Compatible with Siemens SIRIUS S00 contactors
Helps reduce motor downtime and maintenance requirements
Suitable for industrial motor control and automation applications
The Siemens 3RU2116-1GB0 is a thermal overload relay and motor protection relay designed to protect motors against excessive current and thermal overload conditions. It is intended for contactor mounting with compatible SIRIUS S00 contactors.
The Siemens 3RU2116-1GB0 has an adjustable current response range of 4.5A to 6.3A, allowing the overload setting to be matched with the motor's rated operating current.
The 3RU2116-1GB0 has a Class 10 thermal trip characteristic, making it suitable for standard motor applications with normal starting conditions.
The 3RU2116-1GB0 is an S00-size thermal overload relay and is designed for combination with compatible S00-size Siemens SIRIUS contactors.
Yes. The Siemens 3RU2116-1GB0 supports manual/automatic reset, providing flexibility for different motor control applications.
The 3RU2116-1GB0 uses screw terminals for both the main circuit and auxiliary circuit, providing secure electrical connections.
The relay has a rated insulation voltage of 690V and surge voltage resistance of 6kV.
The relay is designed for S00-size contactor mounting and can be combined with compatible Siemens SIRIUS S00 contactors to create a complete motor starter assembly.
This Siemens motor protection relay can be used in DOL starters, pump systems, compressors, conveyors, HVAC equipment, packaging machinery, machine tools, OEM panels, and industrial automation systems.
SB Smart, Faridabad supplies genuine Siemens industrial electrical and automation products, including SIRIUS thermal overload relays, motor protection relays, contactors, motor protection circuit breakers, and industrial control products, with competitive pricing, GST invoices, technical support, bulk-order assistance, secure packaging, and delivery across Faridabad, Delhi NCR, and India.
| Specification | Details |
|---|---|
| Product Name | Thermal Overload Relay |
| Part Number | 3RU2116-1GB0 |
| SKU | 3RU2116-1GB0 |
| Brand | Siemens |
| Product Family | SIRIUS 3RU2 |
| Product Type | Motor Protection Relay |
| Variant | GB0 |
| Current Setting Range | 4.5–6.3 A |
| Relay Size | S00 |
| Trip Class | Class 10 |
| Operating Principle | Thermal |
| Mounting Type | Direct Contactor Mounting |
| Main Circuit Connection | Screw Terminal |
| Auxiliary Circuit Connection | Screw Terminal |
| Auxiliary Contacts | 1 NO + 1 NC |
| Reset Type | Manual / Automatic |
| Rated Insulation Voltage | 690 V |
| Surge Voltage Resistance | 6 kV |
| Operating Frequency | 50–60 Hz |
| Number of Main Poles | 3 |
| Operating Temperature | -40°C to +70°C |
| Protection Features | Overload & Phase Failure Protection |
| Application | Industrial Motor Protection |
| Manufacturer | Siemens |
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