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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1122-2BB40 |
| Manufacturer | Siemens |
| Product Type | Contactor Relay |
| Contact Configuration | 2 Normally Open (NO), 2 Normally Closed (NC) |
| Rated Operational Current | 10 A |
| Control Voltage | 24 V DC |
| Power Consumption | 3.2 W |
| Size | S00 |
| Protection Class | IP20 |
| Mechanical Life | 30 million switching cycles |
| Electrical Life | 10 million switching cycles |
| Ambient Operating Temperature | -25°C to +60°C |
| Storage Temperature | -55°C to +80°C |
| Installation Altitude | Up to 2000 m above sea level |
| Shock Resistance | 10g / 5 ms and 5g / 10 ms |
| Insulation Voltage | 690 V |
| Surge Voltage Resistance | 6 kV |
| Terminal Type | Cage Clamp |
| Standards Compliance | IEC 60947-1, EN 60947-1, IEC 60947-4-1, EN 60947-4-1, IEC 60947-5-1, EN 60947-5-1 |
| Dimensions (W x H x D) | 45 mm x 60 mm x 73 mm |
| Mounting Type | Screw and snap-on mounting |
| Auxiliary Contacts | Yes |
| Contact Reliability | One incorrect switching operation per 100 million operations (17 V, 1 mA) |
| 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-12 (220 V) | 1 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 |
| Short-Circuit Protection | Fuse gL/gG: 10 A |
| Certifications | CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, RINA |
The Siemens 3RH1122-2BB40 is a robust and reliable contactor relay designed for various industrial applications. It features a 2NO and 2NC contact configuration, making it versatile for different control circuits. With a rated operational current of 10 A and a control voltage of 24 V DC, this contactor relay ensures efficient performance. It boasts a high mechanical life of 30 million switching cycles and an electrical life of 10 million cycles, ensuring long-term durability. The device is compliant with international standards, including IEC and EN specifications, and offers excellent protection with an IP20 rating. Its compact size and easy mounting options make it suitable for a wide range of installations.
The Siemens 3RH1122-2BB40 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 versatility in automation and control systems. With a compact size S00 footprint, it is ideal for space-saving installations.
This contactor relay features 2 normally open (NO) and 2 normally closed (NC) contacts, making it suitable for various switching operations. The device operates with a control supply voltage of 24 V dc, ensuring compatibility with standard DC control circuits. The rated operating current at AC-12 is 10 A, and at AC-15, it is 6 A at 230 V, which demonstrates its capability to handle significant electrical loads.
Constructed with a cage clamp connection, the 3RH1122-2BB40 ensures a secure and maintenance-free electrical connection, which is crucial for long-term performance and reliability. The contactor relay is designed to withstand challenging industrial environments, with an operational temperature range of -25 to +60 °C and an insulation voltage rated at 690 V with a degree of pollution 3.
The mechanical service life of the contactor is impressive, with typical switching cycles up to 30 million for the contactor and 10 million for the contactor with an added auxiliary switch block. This durability translates to reduced downtime and maintenance costs over the product's lifespan.
Safety is a priority in the design of the 3RH1122-2BB40, which comes with a protection class of IP20 on the front, providing a degree of protection against solid objects. The device also boasts a shock resistance of 10g / 5 ms and 5g / 10 ms, ensuring it can withstand the rigours of industrial use.
The Siemens 3RH1122-2BB40 contactor relay is a testament to Siemens' commitment to quality, offering a reliable solution for controlling electrical circuits in a variety of industrial settings. Its robust construction, combined with its functional versatility, makes it an essential component for any control system requiring precise and dependable operation.
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Frequently Asked Questions
What type of device is this Siemens contactor relay?
The Siemens contactor relay is an electromechanical switching device designed for controlling power circuits. It features 2 normally open (NO) and 2 normally closed (NC) contacts, making it suitable for various industrial applications.
Can this contactor relay be used in safety applications?
Yes, this contactor relay can be used in safety applications. It has been designed with features that allow it to be integrated into safety circuits, adhering to relevant safety standards.
What is the control supply voltage for this contactor relay?
The control supply voltage for this contactor relay is 24 V DC, which is the rated value for the magnet coil.
What is the rated operational current of this contactor relay?
The rated operational current for this contactor relay at AC-12 is 10 A, which is the maximum operating current under specified conditions.
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 °C, ensuring reliable performance in various environmental conditions.
What is the mechanical service life of this contactor relay?
The mechanical service life of the contactor relay is typically 30 million switching cycles, indicating its durability and longevity in operational use.
What type of terminals does this contactor relay have?
This contactor relay is equipped with Cage Clamp terminals, which provide a secure and maintenance-free electrical connection.
Is there any specific mounting position required for this contactor relay?
The contactor relay can be mounted in any position with a +/-180° rotation possible on a vertical mounting surface and can be tilted forward and backward by +/- 22.5°.
What is the insulation voltage rating for this contactor relay?
The insulation voltage rating for this contactor relay, with a degree of pollution 3, is 690 V.
How does the contact reliability of this contactor relay support low voltage applications?
The contactor relay has a high contact reliability, with one faulty switching per 100 million operations at 17 V, 1 mA, making it suitable for low voltage and solid-state circuit applications.
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