Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 77A F.L.C, 3A Contact Rating, 21 W, 690V ac 3
- RS stock no.:
- 202-1639
- Distrelec Article No.:
- 301-24-329
- Mfr. Part No.:
- 3RU2146-4LB0
- Manufacturer:
- Siemens
Subtotal (1 unit)*
R 3 741,00
(exc. VAT)
R 4 302,15
(inc. VAT)
FREE delivery for orders over R 1,500.00
Stocked by manufacturer
- Ready to ship from 24 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | R 3,741.00 |
*price indicative
- RS stock no.:
- 202-1639
- Distrelec Article No.:
- 301-24-329
- Mfr. Part No.:
- 3RU2146-4LB0
- 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 | 77A | |
| Relay Contact Current | 3A | |
| Mount Type | Direct | |
| Series | SIRIUS 3RU2 | |
| Power Rating | 21W | |
| Pole and Throw Configuration | 3 | |
| Terminal Type | Screw | |
| Normal State Configuration | 1 NO/1 NC | |
| IP Rating | IP20 | |
| Reset Method | Automatic & Manual | |
| Adjustable Current Range | 70 → 90 A | |
| Number of Auxiliary Contacts | 2 | |
| Minimum Operating Temperature | -40°C | |
| Width | 70mm | |
| Maximum Operating Temperature | 70°C | |
| Length | 105mm | |
| Standards/Approvals | UL Approved, CCC approved, CE Approved, CSA Approved, EAC Approved, IEC 60068-2-27, IEC 60529, IEC 61508, IEC 81346-2 | |
| Depth | 125mm | |
| Control Voltage | 690V ac | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermal Overload Relay | ||
FLC Motor Rating 77A | ||
Relay Contact Current 3A | ||
Mount Type Direct | ||
Series SIRIUS 3RU2 | ||
Power Rating 21W | ||
Pole and Throw Configuration 3 | ||
Terminal Type Screw | ||
Normal State Configuration 1 NO/1 NC | ||
IP Rating IP20 | ||
Reset Method Automatic & Manual | ||
Adjustable Current Range 70 → 90 A | ||
Number of Auxiliary Contacts 2 | ||
Minimum Operating Temperature -40°C | ||
Width 70mm | ||
Maximum Operating Temperature 70°C | ||
Length 105mm | ||
Standards/Approvals UL Approved, CCC approved, CE Approved, CSA Approved, EAC Approved, IEC 60068-2-27, IEC 60529, IEC 61508, IEC 81346-2 | ||
Depth 125mm | ||
Control Voltage 690V ac | ||
- COO (Country of Origin):
- DE
The Siemens 90A electronic overload relay mainly used for motor protection of size S3. It has electrical connection of the screw terminal type for main current circuit and for auxiliary and control current circuit.
Protection class IP20
Ambient temperature during operation -25 to +60 °C
Trip class 10