Siemens
Siemens 3RU2116-1DB1 Thermal Overload Relay - 2.2-3.2A
Siemens 3RU2116-1DB1 Thermal Overload Relay
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12-Mo Warranty
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12-month warranty
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Same-day dispatch
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Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
Thermal Overload Protection
Phase Failure Sensitivity
Manual/Automatic Reset
Class 10 Tripping
Stand-alone Installation
Product description
The Siemens 3RU2116-1DB1 is a robust thermal overload relay engineered for dependable motor protection. It features an adjustable current range from 2.2 to 3.2 A, ensuring precise protection against overloads and phase failures.
This relay is designed for standalone installation and is suitable for applications in motor control centers, industrial machinery, and general automation. Its Class 10 tripping characteristic guarantees timely response to fault conditions.
Stanlo Automation, a trusted veteran-owned distributor, provides the Siemens 3RU2116-1DB1. We offer surplus industrial automation parts, ensuring quality and value for your MRO needs.
Technical specifications
| Current Range | 2.2-3.2A |
| Size | S00 |
| Class | 10 |
| Mounting | Stand-alone |
| Main Circuit Terminals | Screw |
| Auxiliary Circuit Terminals | Screw |
| Reset | Manual-Automatic |
Common applications
Motor Protection
Industrial Machinery
Control Panels
Automation Systems
Manufacturing Equipment
Compatible systems
Siemens 3RT2015
Siemens 3RT2016
Siemens 3RT2017
Siemens 3RT2018
Also known as
Siemens 3RU2116-1DB1 Relay
SIRIUS 3RU2 Overload
3RU2116-1DB1 Motor Protector
Replaces / compatible with
This relay is compatible with Siemens 3RT20 contactors and designed for standalone installations. It serves as a direct replacement for older Siemens overload relays in this series.
Technical note
Expert tip
For single-phase AC or DC motor protection, ensure all three main current paths of the relay are connected in series to ensure proper bimetal heating.What happens next?
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Frequently asked questions
Can the Siemens 3RU2116-1DB1 overload relay be mounted directly onto a contactor?
No, the 3RU2116-1DB1 is designed for stand-alone installation. It requires a separate mounting bracket for standalone use, unlike some other models in the SIRIUS series that are designed for direct contactor mounting.