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Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 2.8-4A Adjustable Current Range 4A Contact Rating 1.5 kW 3RU2116-1EB0
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 87mm |
| Model | 3RU2116-1EB0 |
| Depth | 70mm |
| IP Rating | IP20 |
| Width | 45mm |
| Mount Type | Direct |
| Series | SIRIUS 3RU2 |
| Power Rating | 1.5kW |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -40°C |
| Terminal type | Screw |
| Contact Voltage | 690V ac |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Relay Contact Current | 4A |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3 |
| FLC Motor Rating | 2.8, 4A |
| Adjustable Current Range | 2.8 → 4 A |
Key Features
- Provides thermal overload protection for motors with a current range of 2.8 to 4 amps.
- Features 1 normally open and 1 normally closed auxiliary contact for enhanced control.
- Power rating of 1.5 kW suitable for varied industrial applications.
- Includes automatic and manual reset methods for operational flexibility.
- Screw terminals ensure secure and straightforward installation.
- Designed to operate reliably in temperatures from -40°C to 70°C.
- Complies with relevant international standards including UL, IEC, CE, CSA, and CCC approvals.
Product Description
Siemens 3RU2116-1EB0 Thermal Overload Relay from the SIRIUS 3RU2 series is engineered to protect three-phase electric motors against overheating through precise thermal monitoring. It is suitable for industrial automation, manufacturing, and control systems where motor longevity and safety are critical.
This relay supports a motor full load current (FLC) rating adjustable from 2.8 to 4 amperes, delivering flexible protection customized to your motor specifications. It features a 1 normally open (NO) and 1 normally closed (NC) contact configuration for enhanced circuit integration, with a 4 ampere contact current rating.
Built robustly for demanding environments, the device operates reliably between -40°C and +70°C. It offers both automatic and manual reset methods allowing user-configured operations, while the screw terminal design facilitates secure electrical connections ensuring installation simplicity and durability.
The relay complies with multiple international certifications including UL, IEC 81346-2, IEC 61508, EAC, IEC 60529, IEC 60068-2-27, CCC, CE, and CSA approvals, ensuring reliability and safety standards adherence.
Applications include three-phase motor protection, direct mounting to contactors, automation and control gear circuits, and environments exposed to temperature fluctuations. Its IP20 protection rating makes it suitable for indoor industrial and manufacturing plants.
Provides thermal overload protection for motors with a current range of 2.8 to 4 amps. 1 NO and 1 NC auxiliary contacts for versatile control functions. Power rating of 1.5 kW suitable for various motor sizes. Automatic and manual reset options for flexible operational control.
Screw terminals enable secure and easy installation. Operating temperature range from -40°C to 70°C for harsh industrial environments. Wide approval certifications ensure compliance and safety.
This Siemens Thermal Overload Relay is an essential component for safeguarding motors in industrial, manufacturing, and HVAC control systems. Browse more from Siemens and related product categories on EnvMart for comprehensive automation and control solutions.
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