Siemens, 3RB Overload Relay 1 NO/1 NC, 50A F.L.C, 4A Contact Rating, 45 kW, 230V 3P
- RS Stock No.:
- 252-3272
- Mfr. Part No.:
- 3RB31434UX1
- Brand:
- Siemens
Subtotal (1 unit)*
£424.20
(exc. VAT)
£509.04
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 18 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £424.20 |
*price indicative
- RS Stock No.:
- 252-3272
- Mfr. Part No.:
- 3RB31434UX1
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Overload Relay | |
| FLC Motor Rating | 50A | |
| Relay Contact Current | 4A | |
| Series | 3RB | |
| Mount Type | Contactor Mount | |
| Power Rating | 45kW | |
| Pole and Throw Configuration | 3P | |
| Normal State Configuration | 1 NO/1 NC | |
| Terminal Type | Spring Terminal | |
| Reset Method | Automatic & Manual | |
| IP Rating | IP00, IP20 | |
| Number of Auxiliary Contacts | 2 | |
| Adjustable Current Range | 10 to 50 A | |
| Minimum Operating Temperature | -25°C | |
| Contact Voltage | 1000V | |
| Maximum Operating Temperature | 60°C | |
| Depth | 155mm | |
| Standards/Approvals | RCM, CCC, CE, CSA, EAC | |
| Supply Voltage | 1000V | |
| Control Voltage | 230V | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Overload Relay | ||
FLC Motor Rating 50A | ||
Relay Contact Current 4A | ||
Series 3RB | ||
Mount Type Contactor Mount | ||
Power Rating 45kW | ||
Pole and Throw Configuration 3P | ||
Normal State Configuration 1 NO/1 NC | ||
Terminal Type Spring Terminal | ||
Reset Method Automatic & Manual | ||
IP Rating IP00, IP20 | ||
Number of Auxiliary Contacts 2 | ||
Adjustable Current Range 10 to 50 A | ||
Minimum Operating Temperature -25°C | ||
Contact Voltage 1000V | ||
Maximum Operating Temperature 60°C | ||
Depth 155mm | ||
Standards/Approvals RCM, CCC, CE, CSA, EAC | ||
Supply Voltage 1000V | ||
Control Voltage 230V | ||
- COO (Country of Origin):
- CZ
The Siemens Overload relay is used for motor protection. The relay have current capacity of 12.5 to 50 A. It have size S3, class 5E to 30E Stand-alone installation main circuit, straight-through transformer auxiliary circuit and it is spring-type terminal manual-automatic-reset device.
Surge voltage resistance rated value of 8 kV
Shock resistance 8g / 11 ms
Operating frequency rated value 50 to 60 Hz
Power loss: 0.2 W