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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH2122-1AP00 |
| Alternative Part Number | 3RH21221AP00 |
| Manufacturer | Siemens |
| Contact Configuration | 2 Normally Open (NO); 2 Normally Closed (NC) |
| Rated Operational Current | 10 A |
| Pick-Up Power | 37 VA |
| Holding Power | 5.7 VA |
| Control Voltage | 230 V AC |
| Control Frequency | 50/60 Hz |
| Size | S00 |
| Terminal Type | Screw terminal |
| Insulation Voltage | Rated at 690 V AC with degree of pollution 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Mechanical Service Life | Typical 30 million switching cycles for contactor |
| No-Load Switching Frequency | 10,000 operations per hour at AC/DC |
| Operating Range Factor | 0.8 to 1.1 at 50 Hz; 0.85 to 1.1 at 60 Hz for magnet coil |
| Auxiliary Contacts | 2 NC instantaneous; 2 NO instantaneous |
| Operational Current at AC-15 | 10 A at 230 V; 3 A at 400 V; 2 A at 500 V; 1 A at 690 V |
| Operational Current at DC-12 | 10 A at 24 V; 3 A at 110 V; 1 A at 220 V; 0.3 A at 440 V; 0.15 A at 600 V |
| Operational Current at DC-13 | 10 A at 24 V; 1 A at 110 V; 0.3 A at 220 V; 0.14 A at 440 V; 0.1 A at 600 V |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front according to IEC 60529 |
| Ambient Operating Temperature | -25 to +60 °C |
| Storage Temperature | -55 to +80 °C |
| Installation Altitude | Maximum 2,000 m above sea level |
| Reference Code | According to IEC 81346-2: K |
The Siemens 3RH2122-1AP00 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 systems. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it offers flexibility for controlling various circuits.
This contactor relay is rated for 10 A and has an operating voltage of 230 V AC at control circuit frequencies of 50/60 Hz, making it suitable for use in many AC control systems. The size S00 compact frame allows for efficient use of space within control cabinets, while the screw terminal connection ensures a secure and durable electrical connection.
Engineered for endurance, the Siemens 3RH2122-1AP00 boasts a mechanical service life of up to 30 million switching cycles, indicating a long-lasting performance in demanding industrial environments. The insulation voltage is rated at 690 V with a degree of pollution 3, and it has a surge voltage resistance of 6 kV, providing robust protection against transients and overvoltages.
The contactor relay is designed with user safety in mind, featuring an IP20 protection class on the front, which offers touch protection against finger contact. Its operational characteristics include a no-load switching frequency of 10,000 operations per hour for both AC and DC circuits, ensuring reliable operation throughout its service life.
This Siemens contactor relay is a crucial component for professionals seeking a dependable solution for controlling motors, heaters, and other electrical loads in industrial automation systems. It is designed to meet the rigorous demands of modern industry, providing both performance and peace of mind in a compact and efficient package.
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Frequently Asked Questions
What is the contact configuration of this contactor relay?
The contactor relay has a contact configuration of 2 normally open (NO) and 2 normally closed (NC) contacts.
What is the rated control supply voltage for this device?
The rated control supply voltage for this contactor relay is 230 V AC at both 50 and 60 Hz.
Can this contactor relay be used in safety-related applications?
Yes, this contactor relay is designed with positively driven operation according to IEC standards, making it suitable for use in safety-related applications.
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 is the insulation voltage rating for this contactor relay?
The insulation voltage rating with degree of pollution 3 for this contactor relay is 690 V AC.
What are the mounting options for this contactor relay?
The contactor relay can be mounted by screw and snap-on mounting onto a 35 mm standard mounting rail, and it allows for a +/-180° rotation on a vertical mounting surface.
What is the mechanical service life of this contactor relay?
The mechanical service life of the contactor relay is typically 30 million switching cycles, which can vary depending on the presence of an auxiliary switch block.
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 and can be stored at temperatures ranging from -55 to +80 °C.
What type of terminals does this contactor relay have for electrical connections?
This contactor relay is equipped with screw-type terminals for making electrical connections in the auxiliary and control circuits.
What is the protection class of this contactor relay?
The protection class on the front of this contactor relay is IP20, which provides protection against solid objects larger than 12.5 mm but not against water.
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