Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 1.8A, 2.5 A F.L.C, 2.5A Contact Rating, 0.75 kW 3P
- RS stock no.:
- 706-1544
- Distrelec Article No.:
- 301-39-549
- Mfr. Part No.:
- 3RU2116-1CB0
- Manufacturer:
- Siemens
Subtotal (1 unit)*
R 1 094,55
(exc. VAT)
R 1 258,73
(inc. VAT)
FREE delivery for orders over R 1,500.00
In Stock
- 18 unit(s) ready to ship from another location
- Plus 1 unit(s) shipping from 05 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | R 1,094.55 |
*price indicative
- RS stock no.:
- 706-1544
- Distrelec Article No.:
- 301-39-549
- Mfr. Part No.:
- 3RU2116-1CB0
- Manufacturer:
- Siemens
Specification
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 | 1.8, 2.5A | |
| Relay Contact Current | 2.5A | |
| Mount Type | Direct | |
| Series | SIRIUS 3RU2 | |
| Pole and Throw Configuration | 3P | |
| Power Rating | 0.75kW | |
| Normal State Configuration | 1 NO/1 NC | |
| Terminal Type | Screw | |
| IP Rating | IP65, IP55 | |
| Reset Method | Automatic & Manual | |
| Width | 45mm | |
| Minimum Operating Temperature | -40°C | |
| Number of Auxiliary Contacts | 2 | |
| Adjustable Current Range | 1.8 to 2.5 A | |
| Contact Voltage | 690V ac | |
| Length | 87mm | |
| Maximum Operating Temperature | 70°C | |
| Depth | 70mm | |
| Standards/Approvals | WEEE (2012/19/EU), RoHS, CCC, CE, IEC, UKCA, UL, REACH, EAC | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermal Overload Relay | ||
FLC Motor Rating 1.8, 2.5A | ||
Relay Contact Current 2.5A | ||
Mount Type Direct | ||
Series SIRIUS 3RU2 | ||
Pole and Throw Configuration 3P | ||
Power Rating 0.75kW | ||
Normal State Configuration 1 NO/1 NC | ||
Terminal Type Screw | ||
IP Rating IP65, IP55 | ||
Reset Method Automatic & Manual | ||
Width 45mm | ||
Minimum Operating Temperature -40°C | ||
Number of Auxiliary Contacts 2 | ||
Adjustable Current Range 1.8 to 2.5 A | ||
Contact Voltage 690V ac | ||
Length 87mm | ||
Maximum Operating Temperature 70°C | ||
Depth 70mm | ||
Standards/Approvals WEEE (2012/19/EU), RoHS, CCC, CE, IEC, UKCA, UL, REACH, EAC | ||
- Switching Devices for Load Feeders
- Datasheet_3RU2116-1CB0
- 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
- Manual - 3RU2 Series
- Instruction Sheet - 3RU2116/3RU2126 Series
Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 2.5A Contact Current Rating, 0.75kW Power Rating - 3RU2116-1CB0
This thermal overload relay is essential for protecting motors from overheating and damage caused by excessive current. It ensures operational safety and reliability in automation and electrical applications. Designed for efficient performance, it accommodates a broad range of current ratings and includes features that simplify monitoring and maintenance of electrical systems.
Features & Benefits
• Designed with a 3P pole configuration for versatile Applications
• Supports both automatic and manual reset methods
• Suitable for motors with a full load current of 1.8 to 2.5A
• Equipped with screw terminals for secure electrical connections
• Features two auxiliary contacts for enhanced functionality
Applications
• Compatible with direct contactors for seamless integration
• Utilised in industrial machinery for effective motor protection
• Applicable in HVAC systems to prevent motor overheating
• Used in conveyors to safeguard against electrical faults
How does the reset work after an overload condition?
The relay can be reset automatically or manually, offering flexibility in operation.
Can it handle different types of motors?
Yes, it is suitable for various motor types within the 1.8 to 2.5A rating.
What are the installation requirements for this relay?
It is designed for direct mounting, requiring minimal space and straightforward wiring.
Is there a way to check the status of the relay?
The two auxiliary contacts can monitor the operational status.
What is the significance of the temperature range specified?
The specified temperature range ensures reliable performance under diverse climatic conditions, enhancing safety and longevity.