Siemens Contactor Relay 3RH2140-1BG40
3RH2140-1BG40
Siemens
Siemens Contactor Relay 3RH2140-1BG40
Need Siemens 3RH2140-1BG40? Contactor Relay for Industrial control systems, motor control centers. Price & Availability This relay features 4 normally ope…
Specifications
| Brand | Siemens |
|---|---|
| Model Number | 3RH2140-1BG40 |
| Official Product Name | Contactor Relay SIRIUS 3RH2 |
| Applicable System | Industrial control systems, motor control centers |
| Product Type | Contactor Relay |
| Equivalent Standard | IEC 60947-1, IEC 60947-5-1 |
| Product Status | In Stock |
| Coil voltage | 24 V AC/DC |
| Rated operational current (AC-15) | 10 A at 230 V |
| Rated operational current (DC-13) | 10 A at 24 V |
| Mechanical service life | 10 million operations |
| Electrical endurance (AC-15) | 1 million operations at rated load |
| Connection type | Screw terminals |
| Degree of protection | IP20 (terminal area) |
| Ambient temperature (operation) | -25 °C to +60 °C |
| Rated insulation voltage | 690 V |
| Rated impulse withstand voltage | 6 kV |
| Dimensions (W x H x D) | 45 mm x 73 mm x 130 mm |
| Number of contacts | 4 NO + 1 NC |
Product Description
This relay features 4 normally open (NO) and 1 normally closed (NC) contacts, providing versatile control logic for a wide range of applications. It operates with a 24V AC/DC coil, making it compatible with standard control voltages in industrial environments. The screw terminal connections ensure secure and easy wiring, while the compact design saves valuable panel space. Engineered for high performance, the 3RH2140-1BG40 offers a mechanical service life of up to 10 million switching operations, ensuring long-term durability. Its electrical endurance is rated for AC-15 utilization category, making it suitable for switching inductive loads such as contactors and relays. The device is designed to meet international standards including IEC 60947-1 and IEC 60947-5-1, guaranteeing compliance with global industrial requirements. This contactor relay is part of the Siemens SIRIUS product family, known for its modularity and ease of integration. It can be used in conjunction with a variety of accessories such as auxiliary switch blocks, surge suppressors, and timer modules, allowing for customized control solutions. Whether used in motor control centers, conveyor systems, or process control panels, the 3RH2140-1BG40 delivers dependable performance in demanding environments. The Siemens 3RH2140-1BG40 is a robust contactor relay from the SIRIUS series, designed for reliable switching and control in industrial automation systems.
Basic Product Information
- 24V AC/DC coil for flexible control voltage
- Screw terminal connections for secure wiring
- Compact design for space-saving installation
- High mechanical endurance up to 10 million operations
- Suitable for AC-15 utilization category
- Modular SIRIUS design with accessory compatibility
- 4 normally open (NO) and 1 normally closed (NC) contacts
Technical Specifications
Version & Model Difference
The Siemens 3RH2140 series includes various models with different contact configurations and coil voltages. The 3RH2140-1BG40 specifically has 4 NO + 1 NC contacts and a 24V AC/DC coil. Other versions may offer different coil voltages (e.g., 110V, 230V) or contact arrangements (e.g., 3 NO + 1 NC). The -1BG40 suffix indicates the specific coil and contact combination. All versions share the same compact design and modular accessories, but the electrical ratings may vary slightly depending on the coil voltage.
Application Scenarios
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