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3RH1921-1LA11
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1921-1LA11 |
| Alternative Part Number | 3RH19211LA11 |
| Manufacturer | Siemens |
| Part Description | This is an Auxiliary Switch Block designed for motor contactors with cable entry at the top. |
| Voltage | The insulation voltage is 690 V. |
| Mounting | It features a snap-on mounting design. |
| Contact Configuration | The switch block has 1NO/1NC contact configuration. |
| Current Rating | It has a current rating of 10 A. |
| Dimensions | The dimensions of the switch block are 44 x 51 x 38 mm. |
| Connection Type | The switch block uses screw-type terminals for auxiliary and control current circuit. |
| Operating Temperature | It can operate in temperatures ranging from -25 to +60 degrees Celsius. |
| Storage Temperature | It can be stored in temperatures ranging from -55 to +80 degrees Celsius. |
| Mechanical Operating Cycles | The typical mechanical operating cycles are 10,000,000. |
| Electrical Operating Cycles | The typical electrical operating cycles at AC-15 / at 230 V are 200,000. |
| Protection Class | The protection class on the front is IP20. |
| Commodity Code | The commodity code for this part is 853650. |
The Siemens 3RH1921-1LA11 is a high-quality Auxiliary Switch Block designed for optimal performance in industrial settings. This robust component features a snap-on mounting design, making it easy to install in a variety of applications. With an insulation voltage of 690V and a rated operating current of 10A, it ensures reliable operation even in demanding conditions. The switch block is designed for motor contactors, with cable entry at the top for easy wiring. Its compact dimensions of 44 x 51 x 38 mm make it a versatile choice for space-constrained environments. The 3RH1921-1LA11 is part of Siemens' SIRIUS product line, known for its durability and reliability. This auxiliary switch block is a great choice for enhancing the efficiency and safety of your industrial automation systems.
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Frequently Asked Questions
What is the function of this auxiliary switch block?
The Siemens auxiliary switch block is designed to be used with motor contactors. It helps in controlling the operation of the motor by providing additional switching functions.
What are the technical specifications of this auxiliary switch block?
This auxiliary switch block has an insulation voltage of 690V and a rated operating current of 10A. It features a snap-on mounting design and has dimensions of 44 x 51 x 38 mm. It also has 1NO/1NC contact configuration.
Where is the cable entry located on this auxiliary switch block?
The cable entry for this Siemens auxiliary switch block is located at the top.
What is the mounting type of this auxiliary switch block?
This auxiliary switch block from Siemens features a snap-on mounting design, which makes it easy to install and remove.
What is the operating temperature range for this auxiliary switch block?
The Siemens auxiliary switch block can operate effectively in temperatures ranging from -25°C to +60°C.
What is the protection class of this auxiliary switch block?
The Siemens auxiliary switch block has a protection class IP20 on the front, which provides a certain level of protection against solid objects and touch by hands.
What is the contact reliability of this auxiliary switch block?
The contact reliability of this auxiliary switch block is one incorrect switching operation of 100 million switching operations (17 V, 5 mA).
What is the impulse voltage resistance of this auxiliary switch block?
The impulse voltage resistance of the Siemens auxiliary switch block is rated at 6 kV.
What type of connection does this auxiliary switch block use?
This auxiliary switch block uses screw-type terminals for auxiliary and control current circuit.
What is the product function of this auxiliary switch block?
The Siemens auxiliary switch block has a mirror contact function to IEC 60947-4-1 when used with 3RT1.
