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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH2244-2BB40 |
| Alternative Part Number | 3RH22442BB40 |
| Manufacturer | Siemens |
| Contact Configuration | 4 Normally Open (NO) + 4 Normally Closed (NC) contacts |
| Rated Operational Current | 10 A |
| Control Supply Voltage | 24 V DC |
| Size | S00 |
| Terminal Type | Spring-loaded terminal |
| Auxiliary Switch | Captive |
| Product Brand Name | SIRIUS |
| Insulation Voltage | Rated at 690 V |
| Ambient Operating Temperature | -25 to +60 °C |
| Storage Temperature | -55 to +80 °C |
| No-load Switching Frequency | 10,000 operations per hour at AC/DC |
| Mechanical Operating Cycles | Typically 10 million |
| Shock Resistance | At DC: 10g / 5 ms, 5g / 10 ms (rectangular impulse), 15g / 5 ms, 8g / 10 ms (sine pulse) |
| Impulse Voltage Resistance | Rated at 6 kV |
| Protection Class | IP20 on the front |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Commodity Code | 853649 |
| Special Features | Suitable for SUVA applications, positively driven operation according to IEC 60947-5-1 |
The Siemens 3RH2244-2BB40 is a high-quality contactor relay designed for a wide range of industrial applications. This component is part of the SIRIUS product family and is notable for its compact S00 size, making it suitable for use in space-constrained environments. It features a robust design with 4 normally open (NO) and 4 normally closed (NC) contacts, providing flexibility for various control circuit configurations.
With a control supply voltage of 24 V DC, this contactor relay ensures reliable operation and is equipped with a spring-loaded terminal for secure and easy wiring. The captive auxiliary switch enhances the functionality of this device, making it a versatile choice for engineers and technicians.
The 3RH2244-2BB40 is engineered to withstand challenging industrial conditions, offering an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV. It is also designed with safety in mind, featuring finger-safe protection and an IP20 protection class on the front, ensuring protection against solid objects.
This contactor relay is capable of handling a no-load switching frequency of 10,000 operations per hour for both AC and DC currents, demonstrating its durability and suitability for high-demand applications. The mechanical service life of the contactor is typically 10 million switching cycles, indicating a long-lasting and reliable performance.
The Siemens 3RH2244-2BB40 is an essential component for professionals seeking a dependable and efficient solution for controlling electrical circuits in industrial settings. Its technical specifications and build quality make it a valuable addition to any control system.
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Frequently Asked Questions
What are the contact configurations for this contactor relay?
The contactor relay has a configuration of 4 normally open (NO) and 4 normally closed (NC) contacts.
Can this contactor relay be used in safety applications?
Yes, the 3RH2244-2BB40 is suitable for use in safety applications, including those that require SUVA compliance.
What is the rated control supply voltage for this device?
The rated control supply voltage 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 for use in various applications.
What type of terminal does this contactor relay have?
It is equipped with spring-loaded terminals for secure and maintenance-free connections.
What is the insulation voltage rating for this contactor relay?
The insulation voltage rating with a degree of pollution 3 is 690 V.
What is the mechanical service life of this contactor relay?
The mechanical service life of the contactor relay is typically 10 million switching cycles.
What are the ambient temperature operating limits for this contactor relay?
The operating temperature range is from -25 °C to +60 °C, and the storage temperature range is from -55 °C to +80 °C.
What is the protection class of the front side of this contactor relay?
The front side of the contactor relay is rated at IP20 for protection against touch and foreign objects.
What are the shock resistance specifications for this contactor relay?
The shock resistance is specified at 10g / 5 ms and 5g / 10 ms for rectangular impulse, and 15g / 5 ms and 8g / 10 ms for sine pulse at DC.
Part conditions explained
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