Siemens, 3RB Overload Relay 1 NO/1 NC, 200A F.L.C, 4A Contact Rating, 50 W, 230V ac 3P
- RS Stock No.:
- 866-5535
- Mfr. Part No.:
- 3RB2056-1FW2
- Manufacturer:
- Siemens
Subtotal (1 unit)*
€254.16
(exc. VAT)
€312.62
(inc. VAT)
In Stock
- 4 unit(s) ready to ship from another location
- Plus 4 unit(s) shipping from 28 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | €254.16 |
*price indicative
- RS Stock No.:
- 866-5535
- Mfr. Part No.:
- 3RB2056-1FW2
- 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 | 200A | |
| Relay Contact Current | 4A | |
| Series | 3RB | |
| Mount Type | Direct | |
| Pole and Throw Configuration | 3P | |
| Power Rating | 50W | |
| Terminal Type | Screw | |
| Normal State Configuration | 1 NO/1 NC | |
| IP Rating | IP20 | |
| Minimum Operating Temperature | -25°C | |
| Width | 120mm | |
| Number of Auxiliary Contacts | 2 | |
| Adjustable Current Range | 50 to 200 A | |
| Contact Voltage | 1kV ac | |
| Maximum Operating Temperature | 60°C | |
| Length | 120mm | |
| Standards/Approvals | EAC, IEC 61000-4-5, IEC 61000-4-3, IEC 81346-2, IEC 60529, UL, CCC, CSA, IEC 60068-2-27, IEC 61000-4-6, IEC 61000-4-2, CE, IEC 61000-4-4 | |
| Depth | 155mm | |
| Control Voltage | 230V ac | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Overload Relay | ||
FLC Motor Rating 200A | ||
Relay Contact Current 4A | ||
Series 3RB | ||
Mount Type Direct | ||
Pole and Throw Configuration 3P | ||
Power Rating 50W | ||
Terminal Type Screw | ||
Normal State Configuration 1 NO/1 NC | ||
IP Rating IP20 | ||
Minimum Operating Temperature -25°C | ||
Width 120mm | ||
Number of Auxiliary Contacts 2 | ||
Adjustable Current Range 50 to 200 A | ||
Contact Voltage 1kV ac | ||
Maximum Operating Temperature 60°C | ||
Length 120mm | ||
Standards/Approvals EAC, IEC 61000-4-5, IEC 61000-4-3, IEC 81346-2, IEC 60529, UL, CCC, CSA, IEC 60068-2-27, IEC 61000-4-6, IEC 61000-4-2, CE, IEC 61000-4-4 | ||
Depth 155mm | ||
Control Voltage 230V ac | ||
Siemens 3RB Series Overload Relay, 4A Contact Current Rating, 50W Power Rating - 3RB2056-1FW2
This overload relay is designed to provide effective electrical overload protection in various automation and electrical systems, primarily protecting motors and machinery from damage due to excessive current. Its robust construction ensures functionality in challenging environments, making it essential for professionals in automation and electrical sectors.
Features & Benefits
• Offers automatic, manual, and remote reset options for flexibility
• Includes 2 auxiliary contacts for enhanced functionality
• Operates with a control voltage of 230V AC for efficient performance
• Functions effectively within a temperature range of -25 to +60°C
• Utilises screw terminals for straightforward and secure connections
Applications
• Used in direct contactor relay systems for motor protection
• Ideal for machinery that requires high temperature overload protection
• Suitable for automation setups needing efficient electrical overload protection
• Designed for involving 3 pole relay configurations
How can I reset this device after it trips?
It can be reset automatically, manually, or remotely based on your configuration.
What is the maximum current this device can handle?
It supports a contact current rating of up to 4A.
Can it be used with different types of motors?
Yes, it is compatible with various motor types, providing appropriate overload protection.