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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1244-1BB40 |
| Alternative Part Number | 3RH12441BB40 |
| Manufacturer | Siemens |
| Type | Contactor Relay |
| Contact Configuration | 4NO (Normally Open) + 4NC (Normally Closed) |
| Rated Control Supply Voltage | 24 V dc |
| Operating Current at AC-12 | Max 10 A |
| Operating Current at AC-15 (230 V) | 6 A |
| Operating Current at AC-15 (400 V) | 3 A |
| Operating Current at AC-15 (500 V) | 2 A |
| Operating Current at AC-15 (690 V) | 1 A |
| Operating Current at DC-12 (24 V) | 10 A |
| Operating Current at DC-12 (110 V) | 3 A |
| Operating Current at DC-13 (24 V) | 10 A |
| Operating Current at DC-13 (110 V) | 1 A |
| Operating Current at DC-13 (220 V) | 0.27 A |
| Insulation Voltage | Rated at 690 V |
| Installation Altitude | Maximum 2,000 m above sea level |
| Ambient Operating Temperature Range | -25 to +60 °C |
| Ambient Storage Temperature Range | -55 to +80 °C |
| Mechanical Service Life | Typical 10 million operating cycles |
| Protection Class | IP20 |
| Mounting Type | Screw and snap-on mounting |
| Dimensions (Width x Height x Depth) | 45 mm x 57.5 mm x 111 mm |
| Connection Type | Screw-type terminals |
| Conductor Cross-Section (Solid) | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm² |
| Conductor Cross-Section (Stranded) | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| AWG Conductor Size for Aux Contacts | 2x (20 ... 16), 2x (18 ... 14), 1x 12 |
| Commodity Code | 853649 |
| Approvals | CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, RINA |
The Siemens 3RH1244-1BB40 is a high-quality contactor relay designed for a wide range of industrial applications. This robust component is engineered to facilitate reliable switching of control signals in automation systems. With a configuration of 4 normally open (NO) and 4 normally closed (NC) contacts, it offers versatile integration into various control circuits.
Rated for a control supply voltage of 24 V DC, the 3RH1244-1BB40 ensures efficient operation within a compact size S00 footprint. The screw connection terminals provide a secure and durable connection, suitable for consistent performance in demanding environments. The device is rated for an insulation voltage of 690 V, with a degree of pollution of 3, ensuring it can withstand challenging industrial conditions.
The contactor relay boasts an impressive mechanical operating life, typically offering 10 million operating cycles, which speaks to its durability and longevity. It is designed with a protection class of IP20, safeguarding the internal components from solid objects and ensuring safe operation.
This Siemens contactor relay is a reliable choice for engineers and technicians looking for a dependable solution to manage electrical loads in automation systems. Its design and construction meet the rigorous standards expected in industrial settings, making it a valuable component in any control system.
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Frequently Asked Questions
What is the contact configuration of this contactor relay?
The contactor relay has a contact configuration of 4NO (normally open) + 4NC (normally closed).
Can this contactor relay be used in safety-related applications?
Yes, it has safety-related data such as a B10 value and a proportion of dangerous failures, making it suitable for use in certain safety-related applications. Please refer to the specific safety standards and certifications for your application.
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 IP protection class of this contactor relay?
This contactor relay has an IP protection class of IP20.
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 111 mm in depth.
What is the mechanical operating life of this contactor relay?
The mechanical operating life of the contactor relay is typically 10 million operating cycles.
What type of connections does this contactor relay support?
The contactor relay supports screw-type terminals for auxiliary and control current circuits.
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 is the ambient temperature range for operating this contactor relay?
The ambient temperature range for operating the contactor relay is between -25 °C and +60 °C.
How is the contactor relay mounted?
The contactor relay can be mounted by screw and snap-on mounting, and it allows for +/-180° rotation on a vertical mounting surface.
Part conditions explained
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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.
