The Siemens 3RU2116-0BB0 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 trusted SIRIUS 3RU2 series, this thermal motor protection relay features an adjustable current setting range of 0.14–0.20A with a Class 10 thermal trip characteristic, helping protect motors against prolonged overload and excessive operating current.
The 3RU2116-0BB0 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. Its compact construction makes it suitable for space-efficient motor starter assemblies and industrial control panels.
With its adjustable 0.14–0.20A overload protection range, this Siemens thermal overload relay can be accurately adjusted according to the motor's rated operating current. The Class 10 motor overload relay provides dependable thermal protection against sustained overcurrent conditions, helping reduce the risk of motor overheating, winding damage, and unexpected downtime.
The Siemens SIRIUS 3RU2 thermal overload relay is suitable for DOL motor starters, pump control panels, compressors, conveyor systems, HVAC equipment, packaging machinery, machine tools, OEM electrical 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: 3RU2116-0BB0
Adjustable Overload Current Range: 0.14–0.20A
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
Operating Frequency: 50–60Hz
Compatible with Siemens SIRIUS S00 Contactors
Compact design for industrial motor control panels
Reliable thermal motor overload protection
Suitable for industrial motor starter assemblies
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
Provides reliable thermal overload protection for motors
Adjustable 0.14–0.20A range enables accurate motor protection
Class 10 trip characteristic supports standard motor starting conditions
Helps protect motors against prolonged overload conditions
Helps reduce the risk of motor overheating and winding damage
Manual/automatic reset provides flexible operation
Contactor mounting simplifies motor starter assembly
Screw terminals provide secure electrical connections
Compact S00 overload relay helps save valuable panel space
Compatible with Siemens SIRIUS S00 contactors
Helps improve motor operating reliability
Suitable for industrial electrical and automation applications
Designed for dependable long-term operation
The Siemens 3RU2116-0BB0 is a thermal overload relay and motor protection relay used to protect motors against excessive current and prolonged thermal overload conditions. It is designed for contactor mounting with compatible Siemens SIRIUS S00 contactors.
The 3RU2116-0BB0 has an adjustable overload current range of 0.14A to 0.20A, allowing the protection setting to be matched to the motor's rated operating current.
The relay features a Class 10 thermal trip characteristic, making it suitable for standard motor applications requiring reliable thermal overload protection.
The 3RU2116-0BB0 is an S00-size Siemens SIRIUS thermal overload relay designed for combination with compatible S00-size contactors.
Yes. The Siemens 3RU2116-0BB0 supports manual/automatic reset, providing flexibility for different motor starter and control applications.
The 3RU2116-0BB0 uses screw terminals for both the main circuit and auxiliary circuit, providing secure electrical connections.
Yes. This Siemens SIRIUS thermal overload relay is suitable for DOL motor starter assemblies when correctly matched with the motor's rated current and a compatible S00 contactor.
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.
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.
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.
| Specification | Details |
|---|---|
| Product Name | Thermal Overload Relay |
| Manufacturer | Siemens |
| Series | SIRIUS 3RU2 |
| Model Number | 3RU2116-0BB0 |
| SKU | 3RU2116-0BB0 |
| Product Type | Motor Protection Relay |
| Protection Method | Thermal Overload Protection |
| Relay Technology | Bimetallic Thermal Relay |
| Relay Size | S00 |
| Mounting Type | Direct Contactor Mounting |
| Tripping Class | Class 10 |
| Reset Function | Manual / Automatic Reset |
| Application | Motor Overload & Phase Failure Protection |
| Auxiliary Contacts | 1 NO + 1 NC (Series Configuration) |
| Main Circuit Connection | Screw Terminal |
| Auxiliary Circuit Connection | Screw Terminal |
| Compatible System | Siemens SIRIUS Motor Starter Systems |
| Protection Features | Overload, Phase Failure, Thermal Protection |
| Industrial Usage | Motors, Pumps, Fans, Compressors, Conveyors |
| Product Family | SIRIUS Motor Protection Devices |
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