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Siemens 3RH2 Contactor Relay, 24V DC Coil, 10 A Contact Current, 3 NO/1 NC, 600 V DC/690 V AC 3RH2131-1SB40
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Function | Self Locking |
| Length | 45mm |
| Model | 3RH2131-1SB40 |
| 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 | CSA, IEC 60947-5-1, UL |
| 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 |
| Contactor Application | Coupling Relay |
| Pole and Throw Configuration | 4 |
Key Features
- Equipped with 3 normally open and 1 normally closed contacts.
- Operates with 600 V DC and 690 V AC contact voltages for versatility.
- Durable DIN rail mount design suitable for industrial control gear.
- Supports self-locking function for reliable switching performance.
- Suitable for coupling relay applications with screw terminal type connections.
- Wide operating temperature range from -25°C to 60°C for industrial environments.
- Compact dimensions with 73 mm width, 45 mm length, and 57.5 mm depth.
- Meets international standards including CSA, IEC 60947-5-1, and UL certifications.
Product Description
Siemens 3RH2131-1SB40 is a high-quality contactor relay designed for industrial automation and control gear applications. Featuring a 24V DC coil voltage and a 10 A contact current, this relay provides stable and reliable switching for diverse electrical circuits. The component includes a contact configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, enabling flexible control arrangements in complex systems.
This contactor relay supports coupling relay usage and is mounted conveniently on DIN rails, simplifying installation and maintenance in control panels. The control circuit voltage is also 24V DC, ensuring compatibility with standard control systems.
Engineered for durability, the relay functions reliably in harsh industrial environments, operating within a temperature range from -25°C to 60°C. It complies with critical international standards such as CSA, IEC 60947-5-1, and UL, attesting to its safety and performance credentials.
Dimensionally compact with a width of 73 mm, length of 45 mm, and depth of 57.5 mm, the relay fits seamlessly into automation assemblies without occupying excessive space. Its screw terminal connection type ensures secure wiring and easy servicing.
Typical industrial, manufacturing, and automation use cases include control systems, coupling relay applications, and solid-state circuit interaction. The self-locking function adds to system reliability by maintaining contact stability and preventing unwanted switching.
Equipped with 3 normally open and 1 normally closed contacts. Operates with 600 V DC and 690 V AC contact voltages for versatility. Durable DIN rail mount design suitable for industrial control gear. Supports self-locking function for reliable switching performance.
Suitable for coupling relay applications with screw terminal type connections. Wide operating temperature range from -25°C to 60°C for industrial environments. Compact dimensions with 73 mm width, 45 mm length, and 57.5 mm depth.
Meets international standards including CSA, IEC 60947-5-1, and UL certifications. Explore the Siemens range and advanced Contactor products at EnvMart for reliable industrial automation and control solutions.
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Frequently Asked Questions
The coil voltage of this contactor relay is 24V DC.
It features a contact configuration of 3 normally open (NO) and 1 normally closed (NC) contact.
The maximum contact current for this relay is 10 A.
It operates with contact voltage ratings of 600 V DC and 690 V AC.
The operating temperature range is from -25°C to 60°C.
This model supports DIN rail mounting, making it suitable for industrial control gear.
The depth of this contactor relay is 57.5 mm.
It complies with CSA, IEC 60947-5-1, and UL standards.
It uses screw terminal connections for secure wiring.
This contactor relay is suitable for coupling relay applications in industrial automation and control systems.
The width of this contactor relay is 73 mm.
Yes, it supports a self-locking function for reliable switching performance.
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