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Specification & Description
| Specification | Description |
|---|---|
| Part Number | D4B-4A11N |
| Alternative Part Number | D4B4A11N |
| Manufacturer | Omron |
| Material Housing | Aluminium |
| Actuator Type | Roller lever |
| Actuator Detail | Resin roller |
| Connection Method | Terminal block |
| Conduit Size | M20 |
| Cable Entry Direction | Bottom |
| Number of Contacts, NO | 0 |
| Number of Contacts, NC | 2 |
| Make Before Break | Yes (indicated by "x" in datasheet) |
| Switch Action | Slow action |
| Direct Opening Mechanism | Yes (indicated by "c" in datasheet) |
| Compliance | EN 50041 |
| Contact Rating | 10 A |
| Thread Type | Metric |
The Omron D4B-4A11N is a robust safety limit switch designed to ensure operational integrity in a variety of industrial settings. Crafted with a durable aluminium housing, this switch features a roller lever actuator with a resin roller for reliable, consistent performance. Engineered to comply with EN 50041 standards, the switch boasts a slow-action mechanism with a direct opening operation that enhances safety by providing a positive break of contacts.
With a dual NC (normally closed) contact configuration, the D4B-4A11N ensures a fail-safe response in the event of a power loss or when actuated. The terminal block connection method simplifies installation, while the M20 conduit size accommodates standard industry practices for wiring. This switch is designed to make before break contacts, ensuring a seamless transition during actuation.
Ideal for machine safety applications, the Omron D4B-4A11N is a reliable choice for engineers and maintenance professionals seeking a high-quality component that maintains operational safety and efficiency.
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 takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What type of switch is the D4B-4A11N?
The D4B-4A11N is a safety limit switch designed to ensure the safe operation of machinery by confirming that a predetermined position has been reached.
Can you describe the actuator type for this switch?
The actuator type for this switch is a roller lever, which is commonly used to detect the presence or position of objects in a variety of applications.
What is the material of the housing for this switch?
The housing material of the D4B-4A11N is aluminium, which provides durability and resistance to corrosion.
What are the contact configurations available in this switch?
This switch comes with two normally closed (NC) contacts that are designed to break a circuit when the switch is activated.
Does the D4B-4A11N feature a direct opening mechanism?
Yes, the D4B-4A11N features a direct opening mechanism to provide a reliable means of stopping machinery in a hazardous condition.
What is the conduit size for this safety limit switch?
The conduit size for the D4B-4A11N is M20, which is a standard size for cable and wiring enclosures.
Is there a specific action type for the switch mechanism?
The switch action type for the D4B-4A11N is slow action, which refers to the deliberate speed of contact separation to ensure safe operation.
What certifications does the D4B-4A11N comply with?
The D4B-4A11N complies with EN 50041 standards, which relate to the dimensions and operating characteristics for switches used in industrial applications.
Can the D4B-4A11N be used in outdoor environments?
While the D4B-4A11N is built with a durable aluminium housing, its suitability for outdoor use would depend on the specific environmental conditions and the degree of protection required.
What applications are suitable for this type of safety limit switch?
This safety limit switch is suitable for a wide range of industrial applications where precise position detection and safety are critical, such as in manufacturing lines, packaging machines, and material handling systems.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
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.
