Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 4.5A, 6.3 A F.L.C, 6.3A Contact Rating, 4 kW 3P
- RS Stock No.:
- 706-1636
- Distrelec Article No.:
- 304-23-390
- Mfr. Part No.:
- 3RU2126-1GB0
- Manufacturer:
- Siemens
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PHP6,241.56
(exc. VAT)
PHP6,990.55
(inc. VAT)
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- Ready to ship from September 14, 2026
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Units | Per Unit |
|---|---|
| 1 - 4 | PHP6,241.56 |
| 5 + | PHP6,054.31 |
*price indicative
- RS Stock No.:
- 706-1636
- Distrelec Article No.:
- 304-23-390
- Mfr. Part No.:
- 3RU2126-1GB0
- 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 | 4.5, 6.3A | |
| Relay Contact Current | 6.3A | |
| Mount Type | Direct | |
| Series | SIRIUS 3RU2 | |
| Power Rating | 4kW | |
| Pole and Throw Configuration | 3P | |
| Normal State Configuration | 1 NO/1 NC | |
| Terminal Type | Screw | |
| IP Rating | IP65, IP55 | |
| Reset Method | Automatic & Manual | |
| Minimum Operating Temperature | -40°C | |
| Number of Auxiliary Contacts | 2 | |
| Adjustable Current Range | 4.5 → 6.3 A | |
| Width | 45mm | |
| Length | 87mm | |
| Maximum Operating Temperature | 70°C | |
| Contact Voltage | 690V ac | |
| Depth | 73mm | |
| Standards/Approvals | IEC, CCC, CE, REACH, WEEE (2012/19/EU), EAC, UL, UKCA, RoHS | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermal Overload Relay | ||
FLC Motor Rating 4.5, 6.3A | ||
Relay Contact Current 6.3A | ||
Mount Type Direct | ||
Series SIRIUS 3RU2 | ||
Power Rating 4kW | ||
Pole and Throw Configuration 3P | ||
Normal State Configuration 1 NO/1 NC | ||
Terminal Type Screw | ||
IP Rating IP65, IP55 | ||
Reset Method Automatic & Manual | ||
Minimum Operating Temperature -40°C | ||
Number of Auxiliary Contacts 2 | ||
Adjustable Current Range 4.5 → 6.3 A | ||
Width 45mm | ||
Length 87mm | ||
Maximum Operating Temperature 70°C | ||
Contact Voltage 690V ac | ||
Depth 73mm | ||
Standards/Approvals IEC, CCC, CE, REACH, WEEE (2012/19/EU), EAC, UL, UKCA, RoHS | ||
- Switching Devices for Load Feeders
- Datasheet_3RU2126-1GB0
- 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, 6.3 A Contact Current Rating, 4kW Power Rating - 3RU2126-1GB0
This overload relay is specifically designed for motor protection, ensuring safe operation of electrical equipment. It is vital in safeguarding motors against overload conditions, thereby extending the machinery’s lifespan. The robust features and innovative design make this relay an essential component in industrial automation and electrical applications.
Features & Benefits
• Thermal overload protection for currents between 4.5A and 6.3A
• Offers integrated automatic and manual reset options for enhanced usability
• Configured for 3P installations, providing versatility
• Functional in a temperature range of -40°C to +70°C
• Features screw-type terminals for secure connections
• Supports operational voltage ratings up to 690V AC
Applications
• Utilised for motor protection in various industrial settings
• Suitable for integration into electrical control circuits
• Effective for protecting pumps, conveyors, and compressors
• Commonly employed in automation systems requiring overload trip functions
What is the operating temperature range for optimal performance?
The product operates effectively within -40°C to +70°C.
How is the overload protection reset?
It features both automatic and manual reset methods.
Can it be installed in any orientation?
Yes, the relay allows for installation in any mounting position.
What types of motors can it protect?
It is suitable for standard three-phase AC motors.
What current ratings does it support?
The overload relay supports current ratings between 4.5A and 6.3A.
Related links
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