ALLEN-BRADLEY 440N-Z21SS2AN9 Sensaguard Contact Interlock Switches

( Brand: Allen-bradley ), ( Type: Non-contact Interlock Switches ), ( Manufacturer Part Number: 440N-Z21SS2AN9 ), ( Controller Platform: Controllogix ), ( Country Of Origin: Dominican Republic )

Review ALLEN BRADLEY New Sensaguard Non contact Interlock Switches Ser

The Allen-Bradley 440N-Z21SS2AN9 Sensaguard Non-Contact Interlock Switches are versatile and reliable safety components designed to provide reliable machine safeguarding. These interlock switches are part of the Allen-Bradley Sensaguard family, known for their innovative non-contact sensing technology that ensures reliable and maintenance-friendly operation.

The 440N-Z21SS2AN9 interlock switches feature a robust and compact design, with a stainless steel housing that provides resistance to harsh environments. The non-contact sensing technology utilizes a proximity sensing principle, enabling the switch to detect the presence or absence of a safety device, such as a guard door or safety gate, without the need for mechanical contact.

These interlock switches offer a number of key benefits. First and foremost, their non-contact design eliminates the need for mechanical linkages or limit switches, reducing the likelihood of wear and maintenance requirements. Additionally, they offer fast response times, ensuring that safety functions are activated promptly, and they can be easily integrated with Allen-Bradley ControlLogix and CompactLogix control systems for seamless operation.

The Allen-Bradley 440N-Z21SS2AN9 interlock switches are also designed with safety in mind. They comply with international safety standards, including CE, UL, and CSA, and they feature built-in diagnostics and self-testing capabilities that help ensure the reliable operation of safety functions.

These interlock switches can be configured for various applications and can be used to monitor the status of multiple safety devices. They offer a number of inputs and outputs, including an integral LED indicator, which provides clear visual feedback on the switch status. Additionally, they can be configured for various fail-safe and fail-secure modes, depending on the specific application requirements.

In summary, the Allen-Bradley 440N-Z21SS2AN9 Sensaguard Non-Contact Interlock Switches are a reliable and innovative solution for machine safeguarding applications. Their non-contact design eliminates the need for mechanical linkages and reduces maintenance requirements, while their fast response times and built-in diagnostics ensure reliable and safe operation. With their robust design, compliance with international safety standards, and easy integration with Allen-Bradley control systems, these interlock switches offer a versatile and cost-effective solution for a wide range of applications.

Allan-Bradley's Sensaguard Non-Contact Interlock Switches, model number 440N-Z21SS2AN-9, offer several advantages and disadvantages for industrial automation applications. Here are some key points to consider:

1. Safety: These interlock switches use non-contact sensing technology, which eliminates the need for mechanical contact between the switch and the safety device, reducing the risk of wear, fatigue, and failure.

2. Versatility: The 440N-Z21SS2AN-9 switches are available in various configurations, including normally open (NO), normally closed (NC), and changeover (CO), making them suitable for a wide range of applications.

3. Ease of Installation: The non-contact design allows for easier installation and alignment than traditional mechanical interlock switches.

4. Diagnostics: The switches provide valuable diagnostics information, including fault codes and self-test results, which can help to identify and resolve issues quickly.

1. Cost: Allan-Bradley Sensaguard Non-Contact Interlock Switches may be more expensive than traditional mechanical interlock switches due to their advanced technology and features.

2. Complexity: The non-contact technology and additional diagnostic capabilities may require more time and expertise to program and configure compared to simpler mechanical switches.

3. Compatibility: The switches may not be compatible with all types of safety devices or control systems, so it is essential to verify compatibility before purchasing.

Allan-Bradley's Sensaguard Non-Contact Interlock Switches offer significant safety benefits, versatility, ease of installation, and diagnostics capabilities. However, they may be more expensive and complex than traditional mechanical interlock switches. If safety is a top priority and ease of installation and diagnostics are important factors, these switches may be a worthwhile investment. However, if cost and simplicity are the primary concerns, traditional mechanical interlock switches may be a more suitable option.

If your application requires a high level of safety, ease of installation, and diagnostics capabilities, the Allan-Bradley 440N-Z21SS2AN-9 Sensaguard Non-Contact Interlock Switches are a recommended solution. However, if cost and simplicity are more important factors, traditional mechanical interlock switches may be a more suitable alternative. It is essential to evaluate the specific requirements of your application and consult with a qualified automation professional to determine the best solution.

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part #: 440nz21ss2an9 prices

• $185.00-$189.00

specifications plcmechanize:

• brand: Allen-bradley
• type: Non-contact Interlock Switches
• manufacturer part number: 440N-Z21SS2AN9
• controller platform: Controllogix
• country of origin: Dominican Republic

payments plcmechanize:

• credit card: Discover
• wallet: Paypal
• other

general plcmechanize:

• condition: New
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

shipping plcmechanize:

• cost: $0.00
• transit: 2-6 Days
• class: Standard
• carrier: UPS
• service: UPS Ground
• type: Fixed

returns plcmechanize:

• policy: Returns Accepted
• method: Money back
• time: 60 Days
• paid by: Seller

seller plcmechanize:

• rating: 100.0%
• city: Hebron, Kentucky
• # reviews: 26

offer plcmechanize:

• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• best offers: True
• started: November 4, 2025

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