Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 3.5A, 5 A F.L.C, 5A Contact Rating, 1.5 kW 3P
- RS Stock No.:
- 706-1566
- Mfr. Part No.:
- 3RU2116-1FB0
- Manufacturer:
- Siemens
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View bulk pricing optionsSubtotal (1 unit)*
SGD170.82
(exc. GST)
SGD186.19
(inc. GST)
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- Ready to ship from 28 September 2026
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Units | Per unit |
|---|---|
| 1 - 4 | SGD170.82 |
| 5 + | SGD140.60 |
*price indicative
- RS Stock No.:
- 706-1566
- Mfr. Part No.:
- 3RU2116-1FB0
- Manufacturer:
- Siemens
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Thermal Overload Relay | |
| FLC Motor Rating | 3.5, 5A | |
| Relay Contact Current | 5A | |
| Mount Type | Direct | |
| Series | SIRIUS 3RU2 | |
| Power Rating | 1.5kW | |
| Pole and Throw Configuration | 3P | |
| Normal State Configuration | 1 NO/1 NC | |
| Terminal Type | Screw | |
| IP Rating | IP55, IP65 | |
| Reset Method | Automatic & Manual | |
| Minimum Operating Temperature | -40°C | |
| Adjustable Current Range | 3.5 → 5 A | |
| Number of Auxiliary Contacts | 2 | |
| Width | 45mm | |
| Contact Voltage | 690V ac | |
| Maximum Operating Temperature | 70°C | |
| Length | 87mm | |
| Depth | 73mm | |
| Standards/Approvals | RoHS, WEEE (2012/19/EU), REACH, UL, UKCA, IEC, CCC, EAC, CE | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermal Overload Relay | ||
FLC Motor Rating 3.5, 5A | ||
Relay Contact Current 5A | ||
Mount Type Direct | ||
Series SIRIUS 3RU2 | ||
Power Rating 1.5kW | ||
Pole and Throw Configuration 3P | ||
Normal State Configuration 1 NO/1 NC | ||
Terminal Type Screw | ||
IP Rating IP55, IP65 | ||
Reset Method Automatic & Manual | ||
Minimum Operating Temperature -40°C | ||
Adjustable Current Range 3.5 → 5 A | ||
Number of Auxiliary Contacts 2 | ||
Width 45mm | ||
Contact Voltage 690V ac | ||
Maximum Operating Temperature 70°C | ||
Length 87mm | ||
Depth 73mm | ||
Standards/Approvals RoHS, WEEE (2012/19/EU), REACH, UL, UKCA, IEC, CCC, EAC, CE | ||
- Switching Devices for Load Feeders
- Datasheet_3RU2116-1FB0
- Sirius Innovation Accessory Guide
- Sirius Innovation Catalogue
- Sirius Innovations Switching Devices
- Solutions for frequent switching or soft starting
- Basic Information
- Siemens Sirius Migration
- Environmental Product Declaration
- Instruction Sheet - 3RU2116 Series
- COO (Country of Origin):
- DE
Siemens 3RU Series Overload Relay, 3.5 to 5A FLC Motor Rating, 3-Pole Configuration - 3RU2116-1FB0
This overload relay is essential for protecting motors by preventing overheating and damage. Designed for industrial use, it monitors and controls motor systems effectively. Its automatic and manual reset features ensure reliable operation, enhancing motor efficiency.
Features & Benefits
• Thermal design provides effective motor protection against overloads
• AC voltage rating up to 690V ensures versatile application
• Automatic reset feature allows for quick recovery after an overload
• Convenient screw terminals facilitate installation and connections
• Compact dimensions enable integration into confined spaces
• Dual auxiliary contacts offer diverse signalling options
Applications
• Suitable for 3-phase AC motors requiring precise protection
• Ideal for thermal overload monitoring
• Operable in environments with temperatures from -40°C to +70°C
• Employed in automation for effective motor control
• Used in machinery needing dependable overload safety features
How does this relay reset after an overload event?
The relay resets either automatically or manually, providing quick recovery based on conditions.
What is the suitable current rating range for this device?
It can handle a current rating between 3.5A and 5A, accommodating various motor sizes.
Can this relay be used in high-temperature environments?
Yes, it functions effectively in ambient temperatures up to 70°C, making it fit for various industrial scenarios.
Is there a specific installation position for this device?
There are no mounting position restrictions; it can be installed in any orientation.
What type of wiring connections does it support?
The relay features screw-type terminals for both main and auxiliary circuits, suitable for solid or stranded wires.
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