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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| Specification | Description |
|---|---|
| Part Number | 3RH1911-2FB22 |
| Alternative Part Number | 3RH19112FB22 |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch Block |
| Contact Configuration | 1 NO + 1 NC and 1 NO + 1 NC Make-Before-Break |
| Connection Type | Cage Clamp Connection |
| Size | S00 |
| Suitable For | Auxiliary and Motor Contactor |
| Protection Class IP | IP20 |
| Ambient Operating Temperature Range | -25 … +60 °C |
| Storage Temperature Range | -55 … +80 °C |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Electrical Operating Cycles at AC-15 | Typically 200,000 at 230 V |
| Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Insulation Voltage | Rated value 690 V with degree of pollution 3 |
| Impulse Voltage Resistance | Rated value 6 kV |
| Number of Auxiliary Contacts | 2 NC (1 instantaneous, 1 lagging), 2 NO (1 instantaneous, 1 leading) |
| Operating Current at AC-12 | 10 A at 24 V and 230 V, Maximum 10 A |
| Mounting Type | Snap-on Mounting |
| Dimensions (W x H x D) | 36.5 mm x 37.5 mm x 46 mm |
| Electrical Connection | Spring-loaded terminals |
| Conductor Cross-section | 2x (0.5 ... 1.5 mm²) finely stranded with conductor end processing, 2x (0.5 ... 2.5 mm²) without |
| AWG Conductors | 2x (20 ... 14) for auxiliary contacts |
| Mirror Contact | Yes, to IEC 60947-4-1 with 3RT1 |
| Positively Driven Operation | Yes, to IEC 60947-5-1 with 3RH1 |
An auxiliary switch block is used to provide additional switching functions in electrical circuits. It can be used for signalling, interlocking, and control tasks within a contactor relay or power contactor setup.
Yes, the 3RH1911-2FB22 auxiliary switch block is designed with features such as mirror contacts and positively driven operation, making it suitable for use in safety-related applications when used with compatible devices.
The 3RH1911-2FB22 features cage clamp connections, which are a type of spring-loaded terminal that allows for quick and secure connection of wires without the need for tools.
The operating current for the auxiliary contacts of this switch block is 10 A at AC-12 at both 24 V and 230 V, with a maximum of 10 A. For DC-13 applications, the operating current varies depending on the voltage, ranging from 6 A at 24 V to 0.1 A at 600 V with 3 current paths in series.
The dimensions of the 3RH1911-2FB22 are 36.5 mm in width, 37.5 mm in height, and 46 mm in depth, making it compact and suitable for snap-on mounting in a variety of setups.
The insulation voltage rating for the 3RH1911-2FB22, with a degree of pollution 3, is 690 V.
The 3RH1911-2FB22 is designed to handle typically 10,000,000 mechanical operating cycles, indicating its durability and reliability for long-term use.
The ambient temperature range for operating the 3RH1911-2FB22 is between -25 °C and +60 °C, ensuring stable performance across a wide range of environmental conditions.
Yes, the auxiliary switch block comes with general product approvals and may have specific certifications and approvals depending on the application and region. It is advisable to check the product documentation for detailed information on certifications.
The impulse voltage resistance of the 3RH1911-2FB22 is rated at 6 kV.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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