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Siemens Contactor Relay 24V dc Coil, 10A Contact Current, 3 NO/1 NC, 600V dc, 690V ac 3RH2131-1FB40
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Function | Straight |
| Length | 45mm |
| Model | 3RH2131-1FB40 |
| Depth | 57.5mm |
| Width | 73mm |
| Mount Type | DIN Rail |
| Series | 3RH2 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Standards/Approvals | IEC 60947-5-1, UL A600/Q600 |
| Contact Voltage | 600, 690V dc |
| Coil Voltage | 24V dc |
| Normal State Configuration | 3 NO/1 NC |
| Contact Current | 10A |
| Number of Auxiliary Contacts | 1 |
| Auxiliary Contact Configuration | 3 NO/1 NC |
| Operational Current Ie | 10A |
| Control Circuit Voltage Uc | 24V dc |
| Pole and Throw Configuration | 4 |
Key Features
- Compatible with DIN Rail mounting for easy installation.
- Includes 1 auxiliary contact with 3 NO/1 NC configuration.
- Suitable for industrial automation and control systems requiring high reliability.
- Operational temperature range from -25°C to 60°C.
- Finger safe design meets IEC 60947-5-1 and UL A600/Q600 standards.
- Capable of use with solid-state circuits with currents ≥ 1 mA at ≥ 17 V.
- Equipped with options for RC elements or diode assemblies for coil surge suppression.
Product Description
Siemens 3RH2131-1FB40 contactor relay features a 24V dc coil with a rated contact current of 10A, supporting both 600V dc and 690V ac contact voltages. It is designed for straight function operation and supports DIN Rail mounting for convenient installation in electrical panels.
This relay is configured with 3 normally open (NO) and 1 normally closed (NC) contacts, including one auxiliary contact sharing the same configuration. Its screw terminal type ensures secure and reliable electrical connections.
Engineered for robust industrial applications, it operates safely within a temperature range from -25°C to 60°C, with a high degree of contact stability at low voltages and currents. The relay is climate-proof and offers finger-safe protection, complying with IEC 60947-5-1 and UL A600/Q600 standards. It also supports expansion with up to four additional contacts through snap-on auxiliary switch blocks.
Additional surge suppression options are available including RC elements, varistors, or diode assemblies that can be plugged onto the relay coil to damp voltage spikes and enhance durability.
The compact dimensions (length 45mm, width 73mm, depth 57.5mm) make it suitable for various control gear installations. DIN Rail mount compatible for easy assembly. Coil voltage at 24V dc for efficient control circuit integration.
Contact voltage rating supports both DC and AC applications. Operational temperatures from -25°C to 60°C ensure reliability in diverse environments. Compliance with international standards ensures high quality and safety.
Auxiliary contacts provide flexible switching configurations. Finger safe design to enhance user safety during installation and operation.
This Siemens 3RH2 range Contactor Relay is ideal for industrial, construction, manufacturing, and automation control systems. For detailed technical design, Siemens provides downloadable 3D models, schematics, and compliance certificates. Explore more Siemens products on EnvMart for your automation solutions.
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Frequently Asked Questions
The coil voltage of this contactor relay is 24V DC.
The rated contact current for this model is 10A.
This relay supports contact voltage ratings of 600V DC and 690V AC.
The operational temperature range for this model is from -25°C to 60°C.
This relay has a configuration of 3 normally open (NO) and 1 normally closed (NC) contact, along with 1 auxiliary contact of the same configuration.
This contactor relay is compatible with DIN Rail mounting for easy installation.
It complies with IEC 60947-5-1 and UL A600/Q600 standards.
The relay features a finger-safe design to enhance user safety during installation and operation.
This model uses screw terminal type for secure and reliable electrical connections.
Yes, it is capable of use with solid-state circuits with currents ≥ 1 mA at ≥ 17 V.
Options for coil surge suppression include RC elements, varistors, or diode assemblies that can be plugged onto the relay coil.
The dimensions of this relay are 45mm in length, 73mm in width, and 57.5mm in depth.
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