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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1131-1KB40 |
| Alternative Part Number | 3RH11311KB40 |
| Manufacturer | Siemens |
| Product Type | Contactor Relay |
| Contact Configuration | 3 Normally Open (NO), 1 Normally Closed (NC) |
| Rated Operational Current | 10 A |
| Control Supply Voltage | 24 V dc |
| Size | S00 |
| Protection Class | IP20 |
| Insulation Voltage | Rated at 690 V |
| Ambient Operating Temperature Range | -25 °C to +60 °C |
| Mechanical Operating Cycles | Typically 30,000,000 |
| Control Circuit Voltage Type | DC |
| Operating Range Factor | 0.7 … 1.25 times the rated control supply voltage |
| Pull-in Power | 2.3 W (for DC) |
| Holding Power | 2.3 W (for DC) |
| Surge Suppressor Design | With varistor |
| Auxiliary Contacts | No product extension / auxiliary switch |
| Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Installation Altitude | Up to 2,000 m above sea level |
| Mounting Position | +/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5° |
| Mounting Type | Screw and snap-on mounting |
| Dimensions (W x H x D) | 45 mm x 57.5 mm x 72 mm |
| Terminal Design | Screw-type terminals |
| Connectable Conductor Cross-section | Solid: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²; Finely stranded with end process |
| Approvals | CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, RINA |
The Siemens 3RH1131-1KB40 is a high-quality contactor relay designed for a wide range of industrial applications. This compact and robust component is part of the SIRIUS product family, renowned for reliability and efficiency in automation systems. With a configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, it can handle a maximum operating current of 10 A at AC-12 and a rated control supply voltage of 24 V dc, making it versatile for various control circuit setups.
The device boasts an IP20 protection class on the front, ensuring it is safeguarded against solid objects larger than 12.5 mm but not against water, making it suitable for use in environments where moisture is controlled. It is designed to withstand an insulation voltage of up to 690 V with a degree of pollution 3, and can be operated in a wide range of ambient temperatures from -25 to +60 degrees Celsius, ensuring performance in diverse working conditions.
The contactor relay is engineered for easy installation with both screw and snap-on mounting options, and it can be mounted in various positions, offering flexibility in integration into existing systems. The screw-type terminals provide a secure and reliable electrical connection for auxiliary and control current circuits.
With a mechanical operating life of approximately 30 million cycles, the Siemens 3RH1131-1KB40 is built to last, reducing maintenance needs and ensuring long-term operation. Its compact dimensions, with a width of 45 mm, height of 57.5 mm, and depth of 72 mm, make it an excellent choice for space-constrained applications.
This contactor relay is a dependable solution for those seeking a durable and efficient component for their control systems, offering both performance and resilience in a variety of industrial settings.
Commonly Asked Questions
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Frequently Asked Questions
What is the contact configuration of this contactor relay?
The contactor relay has a contact configuration of 3 normally open (NO) contacts and 1 normally closed (NC) contact.
What is the rated control supply voltage for this device?
The rated control supply voltage for the contactor relay is 24 V DC.
Can this contactor relay be used in safety-related applications?
Yes, the contactor relay has safety-related data such as a proportion of dangerous failures and is designed to be finger-safe, making it suitable for certain safety-related applications.
What is the IP rating of this contactor relay?
The contactor relay has an IP rating of IP20 on the front.
What is the maximum operating altitude for this contactor relay?
The maximum operating altitude for the contactor relay is 2,000 meters above sea level.
What are the ambient temperature limits for operating this contactor relay?
The contactor relay can operate within an ambient temperature range of -25°C to +60°C.
What is the mechanical operating cycle lifespan of this contactor relay?
The contactor relay has a mechanical operating cycle lifespan of typically 30 million cycles.
What type of surge suppressor is integrated into this contactor relay?
The contactor relay is equipped with a varistor as its surge suppressor.
What are the dimensions of this contactor relay?
The dimensions of the contactor relay are 45 mm in width, 57.5 mm in height, and 72 mm in depth.
What certifications does this contactor relay hold?
The contactor relay holds several certifications, including CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, and RINA.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
