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Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 0.35-0.5 A FLC, 500mA Contact Rating, 120W 3RU2116-0FB0
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 87mm |
| Model | 3RU2116-0FB0 |
| Depth | 73mm |
| IP Rating | IP20 |
| Width | 45mm |
| Mount Type | Direct |
| Series | SIRIUS 3RU2 |
| Power Rating | 120W |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -40°C |
| Terminal type | Screw |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 706-1497Brand: SiemensManufacturers Part No.: 3RU2116-0FB0 |
| Contact Voltage | 690V ac |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Relay Contact Current | 500mA |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3 |
| FLC Motor Rating | 0.35, 0.5A |
| Adjustable Current Range | 0.35 → 0.5 A |
Key Features
- Designed for current-sensitive protection of motors with normal starting conditions.
- Equipped with screw terminals for reliable installation and connection.
- Supports both automatic and manual reset methods for operational flexibility.
- Includes a switch position indicator and test function for easy maintenance checks.
- Thermal relay suitable for use with Sirius Size S0 & S00 contactors.
- Operates within a temperature range of -40°C to 70°C with an IP20 protection rating.
- Features a selector switch for manual or automatic reset operation.
- Compact design with dimensions 87mm (L) x 45mm (W) x 73mm (D) for space-saving installation.
Product Description
Siemens 3RU2116-0FB0 SIRIUS 3RU2 Thermal Overload Relay is engineered to provide precise motor overload protection for industrial electrical applications. With a flexible adjustable current range from 0.35 to 0.5 A Full Load Current (FLC), this thermal relay efficiently safeguards motors against damage from sustained overcurrent conditions.
Designed for robust industrial, manufacturing, and automation environments, it supports 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts, making it highly adaptable for various control circuits. The relay supports dual reset methods - automatic and manual - allowing operators to choose the best mode for their application needs. The integrated switch position indicator and test function enhance operational diagnostics and safety.
This thermal overload relay is compatible with Siemens Sirius S0 and S00 contactors, installed easily using screw terminals specifically designed for each terminal type. Its compact form factor of 87 mm length, 45 mm width, and 73 mm depth makes it suitable for DIN rail or surface mounting in electrical panels with limited space.
Operational across a broad temperature span of -40°C to +70°C and rated at IP20 for ingress protection, it ensures reliable performance under various environmental conditions. With insulation voltage rated at 690 V AC and contact voltage up to 690 V AC, it withstands demanding electrical stresses.
Designed for motor overload protection with adjustable current range 0.35 to 0.5 A. Supports 1 NO/1 NC contacts for flexible auxiliary control. Automatic and manual reset methods improve functional versatility. Switch position indicator and test function for easy maintenance.
Compact dimensions allow installation in tight panel spaces. Compliant with CE, CSA, UL, EAC, CCC, and IEC standards for quality and safety. Suitable for industrial automation, manufacturing, electrical distribution, and HVAC applications.
This Siemens thermal overload relay provides a reliable solution for protecting electrical motors against sustained overload conditions and is widely used in industrial automation and control gear assemblies. Discover more products in the Thermal Overload Relay category at EnvMart to meet your automation and control requirements.
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Frequently Asked Questions
This thermal overload relay has an adjustable current range of 0.35 to 0.5 A Full Load Current (FLC).
It supports 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts, providing flexibility for various control circuits.
The dimensions of this thermal overload relay are 87 mm in length, 45 mm in width, and 73 mm in depth.
It operates within a temperature range of -40°C to +70°C.
The relay supports both automatic and manual reset methods, allowing for operational flexibility.
This model has an IP20 protection rating, indicating it is suitable for indoor use.
The maximum contact voltage for this thermal overload relay is 690 V AC.
The power rating of this model is 120 W.
It is equipped with screw terminals for reliable installation and connection.
The country of origin for this thermal overload relay is Germany.
It is suitable for use in industrial automation, manufacturing, electrical distribution, and HVAC applications.
It includes a switch position indicator and a test function, which facilitate easy maintenance checks.
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