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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LA1-LB021 |
| Alternative Part Number | LA1LB021 |
| Manufacturer | Schneider |
| Series | TeSys D |
| Type | Auxiliary Contact Block |
| Contact Configuration | 4 Normally Open (NO) / 1 Normally Closed (NC) |
| Rated Voltage | 690 V |
| Mounting Type | Add-on block for front or side mounting |
| Terminal Type | Screw clamp terminals |
| Compatibility | Can be combined with TeSys D contactors |
| Utilisation Category | AC-15, DC-13 |
| Operating Temperature | -25°C to +70°C |
| Standards | IEC/EN 60947-5-1, UL 508, CSA C22.2 No 14 |
| Commodity Code | 853890 |
The Schneider TeSys D Series Auxiliary Contact Block, part number LA1-LB021, is a versatile and reliable component designed for seamless integration into various control circuits. This auxiliary contact block features a configuration of 4 Normally Open (NO) and 1 Normally Closed (NC) contacts, making it suitable for a wide range of applications where additional contact combinations are required for control and signalling functions.
Rated for use at up to 690 V, the LA1-LB021 is built to handle demanding industrial environments and is compatible with TeSys D series contactors, providing users with a flexible solution for enhancing their control systems. The compact design ensures it does not occupy excessive space within control cabinets, while its robust construction ensures long-term reliability and performance.
Ideal for use in motor control centres, automation systems, and various industrial applications, the Schneider LA1-LB021 auxiliary contact block is a testament to Schneider's commitment to quality and innovation in electrical control components. Its ease of installation and maintenance makes it a preferred choice for professionals looking to optimise their control systems with minimal downtime.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Frequently Asked Questions
What is the voltage rating for this auxiliary contact block?
The Schneider TeSys D Series auxiliary contact block is rated for up to 690 V.
How many contacts does this auxiliary contact block have?
This auxiliary contact block has a configuration of 4NO/1NC contacts.
Can this contact block be used with any contactor?
This contact block is designed to be compatible with TeSys D series contactors. It's important to check the compatibility with your specific contactor model.
What is the function of an auxiliary contact block?
An auxiliary contact block is used to provide additional contact points for control and signalling purposes in electrical circuits, often in conjunction with contactors or circuit breakers.
Is there a specific orientation for mounting this contact block?
The LA1-LB021 auxiliary contact block is designed for lateral mounting. It should be installed according to the manufacturer's instructions for proper operation.
What is the significance of the 4NO/1NC configuration?
The 4NO/1NC configuration means the contact block has four normally open (NO) contacts that close when the contactor is energised, and one normally closed (NC) contact that opens when the contactor is energised, providing flexibility in control wiring schemes.
How can I ensure the safety and reliability of this contact block?
To ensure safety and reliability, it's essential to follow the manufacturer's installation and maintenance guidelines, and to use the contact block within its rated specifications.
What applications are suitable for this auxiliary contact block?
This auxiliary contact block is suitable for use in various industrial applications, including motor control, automation systems, and control panel assemblies, where additional contacts are needed for control or indication.
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.
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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.
