Siemens, 3RB Overload Relay 1 NO/1 NC, Trip Dial: 12.5 → 50 A, 50A F.L.C, 4A Contact Rating, 45 kW, 230V 3P
- RS Stock No.:
- 252-3243
- Mfr. Part No.:
- 3RB30461UD0
- Manufacturer:
- Siemens
Subtotal (1 unit)*
SGD622.32
(exc. GST)
SGD678.33
(inc. GST)
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Stocked by manufacturer
- Ready to ship from 23 November 2026
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Units | Per unit |
|---|---|
| 1 + | SGD622.32 |
*price indicative
- RS Stock No.:
- 252-3243
- Mfr. Part No.:
- 3RB30461UD0
- 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 | Overload Relay | |
| FLC Motor Rating | 50A | |
| Relay Contact Current | 4A | |
| Series | 3RB | |
| Mount Type | Contactor Mount | |
| Pole and Throw Configuration | 3P | |
| Power Rating | 45kW | |
| Terminal Type | Spring Terminal | |
| Normal State Configuration | 1 NO/1 NC | |
| Reset Method | Automatic & Manual | |
| IP Rating | IP00, IP20 | |
| Number of Auxiliary Contacts | 2 | |
| Minimum Operating Temperature | -25°C | |
| Width | 5mm | |
| Adjustable Current Range | 12.5 → 50 A | |
| Maximum Operating Temperature | 60°C | |
| Length | 3.15mm | |
| Contact Voltage | 1kV | |
| Depth | 109mm | |
| Standards/Approvals | CCC, CE, CSA, EAC, RCM | |
| Supply Voltage | 1kV | |
| 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 | ||
Pole and Throw Configuration 3P | ||
Power Rating 45kW | ||
Terminal Type Spring Terminal | ||
Normal State Configuration 1 NO/1 NC | ||
Reset Method Automatic & Manual | ||
IP Rating IP00, IP20 | ||
Number of Auxiliary Contacts 2 | ||
Minimum Operating Temperature -25°C | ||
Width 5mm | ||
Adjustable Current Range 12.5 → 50 A | ||
Maximum Operating Temperature 60°C | ||
Length 3.15mm | ||
Contact Voltage 1kV | ||
Depth 109mm | ||
Standards/Approvals CCC, CE, CSA, EAC, RCM | ||
Supply Voltage 1kV | ||
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 has size S3, class 10E contact for mounting main circuit, screw 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
0.9 W power loss