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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1911-1HA12 |
| Alternative Part Number | 3RH19111HA12 |
| Manufacturer | Siemens |
| Part Type | Auxiliary Switch Block |
| Mounting Type | Snap On Mount |
| Voltage | 690 V |
| Contact Configuration | 1 NO/2 NC |
| Protection Class | IP20 |
| Ambient Temperature (Storage) | -55°C to +80°C |
| Ambient Temperature (Operation) | -25°C to +60°C |
| Mechanical Service Life | 10,000,000 switching cycles |
| Electrical Endurance | 200,000 switching cycles at AC-15 at 230 V |
| Insulation Voltage | 690 V |
| Surge Voltage Resistance | 6 kV |
| Number of NC Contacts | 2 |
| Number of NO Contacts | 1 |
| Operating Current at AC-12 (24 V) | 10 A |
| Operating Current at AC-12 (230 V) | 10 A |
| Operating Current at AC-15 (24 V) | 6 A |
| Operating Current at AC-15 (230 V) | 6 A |
| Operating Current at AC-15 (400 V) | 3 A |
| Operating Current at AC-15 (690 V) | 1 A |
The Siemens 3RH1911-1HA12 is a robust and reliable Auxiliary Switch Block designed for optimal performance in industrial settings. This part, with a snap-on mount design, is electronically operated and is suitable for use with contactors for switching motors. It features 1 Normally Open (NO) and 2 Normally Closed (NC) contacts, providing versatility in various applications.
The switch block operates at a voltage of 690V and is designed to withstand ambient temperatures ranging from -25°C to +60°C during operation, and -55°C to +80°C during storage. This ensures its durability and reliability in a wide range of environments.
The 3RH1911-1HA12 is part of the Siemens SIRIUS product line, known for its high-quality and innovative industrial control products. With an IP20 protection class on the front, it offers a good level of protection against solid objects.
This part is compliant with DIN EN50012 standards, ensuring its quality and safety in industrial applications. Its mechanical service life is rated at a typical 10 million switching cycles, and its electrical endurance at AC-15 at 230V is rated at a typical 200,000 switching cycles.
The Siemens 3RH1911-1HA12 Auxiliary Switch Block is a reliable choice for your industrial control needs, offering durability, versatility, and the trusted quality of Siemens.
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Frequently Asked Questions
What is the function of this auxiliary switch block?
This auxiliary switch block is designed to be used with contactor relays and power contactors. It helps in controlling the flow of electricity in industrial automation systems.
What are the technical specifications of this part?
The part operates at a voltage of 690V and has a protection class IP20. It has 1 Normally Open (NO) and 2 Normally Closed (NC) contacts. It is designed for snap-on mounting.
What is the operating temperature range for this part?
The part can operate in temperatures ranging from -25°C to +60°C. It can be stored in temperatures ranging from -55°C to +80°C.
What is the mechanical service life of this part?
The mechanical service life of this part is typically 10 million switching cycles.
What is the electrical endurance of this part?
The electrical endurance of this part at AC-15 at 230V is typically 200,000 switching cycles.
What is the insulation voltage of this part?
The insulation voltage of this part with a degree of pollution 3 is 690V.
What is the surge voltage resistance of this part?
The surge voltage resistance of this part is 6kV.
What is the contact reliability of this part?
The contact reliability of this part is one incorrect switching operation of 100 million switching operations (17V, 5mA).
What is the operating current of the auxiliary contacts?
The operating current of the auxiliary contacts at AC-12 is 10A at both 24V and 230V.
What is the suitability for use of this part?
This part is suitable for use with contactor relays and power contactors.
