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Siemens Overload Relay 3RB Series, 1 NO/1 NC, 250A, 55 A F.L.C, 4A Contact Rating, 400V Supply 3RB2163-4GC2
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 145mm |
| Model | 3RB2163-4GC2 |
| Depth | 156mm |
| IP Rating | IP00 |
| Width | 85mm |
| Mount Type | Direct |
| Series | 3RB |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Supply Voltage | 400V |
| Standards/Approvals | REACH, RoHS, CCC, EAC, UL, CE, UKCA, IEC, WEEE (2012/19/EU) |
| Contact Voltage | 220, 230V dc |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Relay Contact Current | 4A |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3 |
| FLC Motor Rating | 250, 55A |
| Adjustable Current Range | 55 → 250 A |
Key Features
- Suitable for 3-phase AC motor protection in 50/60Hz sinusoidal networks.
- Features 1 normally open and 1 normally closed auxiliary contacts for control.
- Adjustable current range from 55 to 250 Amps ensures precise overload settings.
- Automatic and manual reset methods available for flexible operation.
- Screw terminal type offers secure wiring connections.
- Compact dimensions with 85mm width, 145mm length, and 156mm depth.
- Operating temperature range from -25°C to 60°C for diverse environments.
- Compliant with international standards including REACH, RoHS, CCC, EAC, UL, CE, UKCA, IEC, and WEEE.
Product Description
Siemens 3RB2163-4GC2 Overload Relay is a robust 3RB series device designed for reliable motor protection in industrial and automation applications. Its 1 NO and 1 NC auxiliary contacts provide comprehensive control and signaling functions, supporting safe and efficient operation.
With a full load current rating of 55 A and a wide adjustable current range from 55 to 250 A, this relay accommodates varying motor sizes and load conditions, ensuring optimal protection against overloads.
Equipped for mounting directly and terminated via screw-type terminals, it facilitates easy installation and secure electrical connections. The relay supports both automatic and manual reset methods for flexible recovery after trip events.
The unit operates effectively within a broad temperature range from -25°C to +60°C, making it suitable for diverse industrial environments. Its dimensions (85mm width, 145mm length, 156mm depth) offer compactness without compromising functionality.
Siemens prioritizes safety and compliance, evident from this relay's certifications such as REACH, RoHS, CCC, EAC, UL, CE, UKCA, IEC, and WEEE, making it suitable for global applications.
Typical applications include protection of 3-phase AC motors in industrial automation, HVAC systems, manufacturing plants, and commercial installations requiring reliable motor overload detection and circuit interruption.
Suitable for 3-phase AC motor protection in 50/60Hz sinusoidal networks. Features 1 normally open and 1 normally closed auxiliary contacts for control. Adjustable current range from 55 to 250 Amps ensures precise overload settings.
Automatic and manual reset methods available for flexible operation. Screw terminal type offers secure wiring connections. Compact dimensions with 85mm width, 145mm length, and 156mm depth. Operating temperature range from -25°C to 60°C for diverse environments.
Compliant with international standards including REACH, RoHS, CCC, EAC, UL, CE, UKCA, IEC, and WEEE. Designed and manufactured in Germany ensuring high-quality engineering. Explore more Siemens products and Overload Relays on EnvMart to enhance your automation and electrical control systems.
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Frequently Asked Questions
The adjustable current range of this overload relay is from 55 to 250 Amps, allowing for precise overload settings based on the application requirements.
This model has compact dimensions of 85mm in width, 145mm in length, and 156mm in depth.
The supply voltage for this overload relay is 400V, making it suitable for standard industrial applications.
The maximum operating temperature for this overload relay is 60°C, allowing it to function effectively in various environments.
This overload relay features 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, providing control and signaling functions.
The relay contact current rating for this model is 4A, suitable for controlling various loads.
This overload relay supports both automatic and manual reset methods, providing flexibility in operation after a trip event.
The minimum operating temperature for this overload relay is -25°C, enabling its use in colder environments.
This model complies with several international standards including REACH, RoHS, CCC, EAC, UL, CE, UKCA, IEC, and WEEE.
The overload relay is designed for direct mounting, facilitating straightforward installation in various applications.
The full load current (FLC) rating for this overload relay is 250A, with a minimum rating of 55A, accommodating a range of motor sizes.
This unit uses screw-type terminals, ensuring secure wiring connections during installation.
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