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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH2140-2BB40 |
| Alternative Part Number | 3RH21402BB40 |
| Manufacturer | Siemens |
| Type | Contactor Relay |
| Contact Configuration | 4 Normally Open (NO) |
| Rated Operational Current | 10 A |
| Coil Power | 4 W |
| Control Voltage | 24 V dc |
| Size | S00 |
| Frequency | 1000 MHz |
| Protection Class | IP20 |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Ambient Operating Temperature | -25 … +60 °C |
| Storage Temperature | -55 … +80 °C |
| Mechanical Operating Cycles | Typical 30,000,000 for contactor, 5,000,000 with electronic auxiliary switch block |
| Shock Resistance | At DC 10g / 5 ms, 5g / 10 ms for rectangular impulse; 15g / 5 ms, 8g / 10 ms for sine pulse |
| Impulse Voltage Resistance | Rated value 6 kV |
| Installation Altitude | Maximum 2,000 m above sea level |
| Auxiliary Contacts | 4 instantaneous contacts |
| Operating Current at AC-15 | 10 A at 230 V, 3 A at 400 V, 2 A at 500 V |
| Commodity Code | 853649 |
| Approvals | General Product Approval, EMC, KC, Declaration of Conformity, Test Certificates |
The Siemens 3RH2140-2BB40 is a high-quality contactor relay designed for a wide range of industrial applications. This component is part of the SIRIUS product family, renowned for its reliability and performance in demanding environments. With a size S00 footprint, it is compact and efficient, making it an ideal choice for space-constrained installations.
This contactor relay features four normally open (NO) contacts, providing flexibility in control circuit design. It operates with a control supply voltage of 24 V DC, ensuring compatibility with standard DC control systems. The spring-loaded terminals offer a secure and maintenance-free electrical connection, which is crucial for long-term stability and safety.
Rated for an insulation voltage of 690 V with a degree of pollution 3, the 3RH2140-2BB40 is built to withstand transient surges and electrical disturbances, ensuring continuous operation even under challenging conditions. The device is also designed with a shock resistance that meets stringent industry standards, capable of handling both rectangular and sine pulse shocks at DC.
The mechanical service life of this contactor relay is impressive, with typical switching cycles up to 30 million, indicating a long-lasting and durable component. The protection class IP20 on the front provides a basic level of protection against solid objects, making it suitable for use in controlled environments.
Overall, the Siemens 3RH2140-2BB40 contactor relay is a robust and reliable choice for engineers and technicians looking for a component that offers both performance and durability. Its design and construction are aligned with the high standards expected in industrial applications, ensuring that it can meet the demands of various control tasks.
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Frequently Asked Questions
What is the contact configuration for this contactor relay?
The contactor relay has a 4NO (4 Normally Open) contact configuration, which means it has four contacts that are in the open state when the relay is not energized.
Can this contactor relay be used in safety applications?
Yes, this contactor relay is designed with positively driven operation according to IEC 60947-5-1, making it suitable for use in safety applications.
What is the control voltage rating for this contactor relay?
The control voltage rating for this contactor relay is 24 V DC.
What is the size of this contactor relay?
This contactor relay is of size S00, which is a compact size suitable for various applications.
What type of terminals does this contactor relay have?
This contactor relay is equipped with spring-loaded terminals, which provide a secure and maintenance-free electrical connection.
What is the IP rating of this contactor relay?
The contactor relay has an IP20 protection rating on the front, indicating protection against solid objects larger than 12mm and no protection against water.
What is the mechanical service life of this contactor relay?
The mechanical service life of the contactor relay is typically 30 million switching cycles, ensuring long-term reliability.
What is the insulation voltage of this contactor relay?
The insulation voltage of the contactor relay, with a degree of pollution 3, is rated at 690 V.
What are the ambient temperature limits for operating this contactor relay?
The contactor relay can operate within an ambient temperature range of -25 to +60 degrees Celsius.
How does the contactor relay ensure protection against electrical shock?
The contactor relay is designed to be finger-safe, providing protection against electrical shock by preventing accidental contact with live parts.
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