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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5ST3011-2 |
| Alternative Part Number | 5ST30112 |
| Manufacturer | Siemens |
| Number of NC Contacts | 0 |
| Product Extension | Auxiliary current switch |
| Number of Change-over Switches | 0 |
| Number of NO Contacts | 2 |
| Number of Pitch Units for Width | 0.5 |
| Design of Product | Factory mounted: No |
| Mountable on | RCBO and miniature circuit breaker |
| Number of Fault Signal Contacts | 0 |
| Type of Voltage | AC/DC |
| Control Voltage Type | AC/DC |
The Siemens 5ST3011-2 is a meticulously engineered auxiliary circuit switch designed to complement miniature circuit breakers (MCBs) with a test button feature. This compact and efficient device is an essential component for electrical safety and circuit management in a variety of industrial and commercial settings.
Crafted with precision, the 5ST3011-2 boasts two normally open (NO) contacts, ensuring reliable and secure switching operations. Its sleek design occupies only 0.5 pitch units in width, making it an ideal choice for space-constrained environments where panel real estate is at a premium.
The auxiliary switch is versatile and can be mounted alongside residual current operated circuit breakers (RCBOs) and MCBs, enhancing the functionality of electrical protection devices. It operates effectively with both alternating current (AC) and direct current (DC) control voltages, providing a broad range of application possibilities.
With its robust construction and adherence to industry standards, the Siemens 5ST3011-2 auxiliary circuit switch is a testament to the brand's commitment to quality and reliability in electrical component manufacturing. It is a valuable addition to any electrical system requiring precise control and additional safety measures.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this auxiliary circuit switch?
The auxiliary circuit switch is designed to be used with miniature circuit breakers (MCBs) and residual current operated circuit breakers with overcurrent protection (RCBOs). It provides additional switching capabilities, allowing for remote signalling or interlocking with other devices in an electrical circuit.
Can this auxiliary switch be mounted on any MCB or RCBO?
This auxiliary switch is specifically designed to be mounted on compatible RCBOs and MCBs. It is important to check the compatibility of the switch with the circuit breaker to ensure proper operation.
What type of contacts does this auxiliary switch have?
The auxiliary switch has two normally open (NO) contacts, which means the contacts are open when the switch is in its default position and close when the switch is activated.
What is the voltage type for the control voltage of this auxiliary switch?
The auxiliary switch can operate with both AC and DC control voltages, providing versatility in its application across different electrical systems.
How many pitch units in width does the auxiliary switch occupy?
The auxiliary switch occupies 0.5 pitch units in width, making it a compact addition to an electrical assembly without taking up excessive space.
Is there a specific torque requirement for the terminal connections?
Yes, there is a specified torque requirement for the terminal connections to ensure a secure and reliable connection. It is important to follow the manufacturer's instructions when installing the switch.
What is the temperature range for operating this auxiliary switch?
The auxiliary switch is designed to operate within a specific temperature range, which is typically provided in the technical specifications. Operating outside of this range may affect the performance and longevity of the switch.
How does the auxiliary switch enhance circuit protection?
By providing additional switching capabilities, the auxiliary switch can enhance circuit protection by enabling remote status monitoring and control, which can help in quickly identifying and responding to circuit issues.
Can the auxiliary switch be retrofitted to existing installations?
Depending on the compatibility with the existing MCBs or RCBOs, the auxiliary switch can potentially be retrofitted to enhance the functionality of the current installation.
What approvals or certifications does this auxiliary switch have?
The auxiliary switch comes with certain approvals and certifications that attest to its quality and compliance with industry standards. These details are typically found in the product documentation.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
