ALLEN-BRADLEY 440N-Z21S26J Contact Switch Sensaguard Safety N.c.

( Brand: Allen-bradley ), ( Type: Non Contact Switch ), ( Notice: Products And Box Label Are Not Provide Full Barcodes And Qr Code ), ( Manufacturer Part Number: 440N-Z21S26J ), ( Country Of Origin: Dominican Republic )

Review ALLEN BRADLEY Non Contact Switch Sensaguard N.c. Safety Series

The Allen-Bradley Model 440N-Z21S26J Contact Switch with SensGuard NC Safety is a versatile and reliable safety component designed to protect machinery and equipment from unwanted operation. This contact switch is part of Rockwell Automation's Allen-Bradley line of safety products, which are known for their high-performance and durability.

The contact switch is rated for a maximum voltage of 24V DC and a maximum current of 10A. It is designed to function as a normally closed (NC) safety device, meaning that it will prevent machinery from operating until a safe condition is detected. Once a safe condition is verified, the contact switch will allow the machinery to operate.

The SensGuard safety feature incorporated into this contact switch provides an additional layer of protection. SensGuard is a diagnostic function that continuously monitors the switch's contacts for arcing, welding, or other fault conditions. If a fault is detected, the switch will signal an error condition, preventing the machinery from operating and potentially avoiding costly downtime or safety issues.

The Model 440N-Z21S26J Contact Switch with SensGuard NC Safety is constructed with high-quality materials and components, ensuring long-lasting performance and reliability. The switch is designed to operate in harsh environments, with an operating temperature range of -40 C to 70 C and a humidity range of 0% to 95%.

The switch is easy to install and integrate into machinery control systems, with a compact size and a variety of mounting options. It is compatible with a range of safety and control systems, including Allen-Bradley PowerFlex and ControlLogix.

In summary, the Allen-Bradley Model 440N-Z21S26J Contact Switch with SensGuard NC Safety is a high-performance and reliable safety component designed to protect machinery and equipment from unwanted operation. Its SensGuard safety feature provides an additional layer of protection, continuously monitoring the switch's contacts for fault conditions. The switch is constructed with high-quality materials and components, ensuring long-lasting performance and reliability, and is easy to install and integrate into machinery control systems.

The Allen-Bradley Model 440N-Z21S26J Contact Switch with Sensotect Sensageard NC Safety is a safety device designed to protect machinery and equipment from unintended operation or hazardous conditions. Here are some pros and cons of using this contact switch:

1. Enhanced Safety: The Sensageard NC safety feature provides additional safety by verifying the electrical continuity of the safety circuit before the controlled equipment starts. This can prevent accidents caused by incorrect wiring or faulty safety circuits.

2. Easy Integration: This contact switch is compatible with the Rockwell Automation RSLogix 5000 and Studio 5000 Logix Designer software, making it easy to integrate into control systems.

3. Durable Construction: The contact switch is designed with a robust housing that can withstand harsh industrial environments, ensuring long-term reliability.

4. Versatile Applications: This contact switch can be used in various applications, including machine safeguarding, process control, and motion control.

1. Higher Cost: Compared to standard contact switches, the Allen-Bradley Model 440N-Z21S26J Contact Switch with Sensageard NC Safety is more expensive due to its advanced safety features.

2. Complex Wiring: The safety features of this contact switch require more complex wiring, which can increase installation time and labor costs.

3. Limited Operating Temperature: The contact switch is rated for a maximum operating temperature of 122 F (50 C), which may limit its use in high-temperature applications.

The Allen-Bradley Model 440N-Z21S26J Contact Switch with Sensageard NC Safety offers enhanced safety features, easy integration, durable construction, and versatile applications. However, it comes with a higher cost, complex wiring, and limited operating temperature. Ultimately, the decision to use this contact switch depends on the specific requirements of your application and the priority you place on safety and reliability.

If safety is a top priority and the application conditions allow for it, the Allen-Bradley Model 440N-Z21S26J Contact Switch with Sensageard NC Safety is a recommended option. For applications with simpler safety requirements, a standard contact switch may be a more cost-effective solution. It is important to carefully consider the specific requirements of your application and consult with a qualified automation professional to make an informed decision.

Details:

New in original packaging.

part #: 440nz21s26j prices

• $127.91-$165.00

specifications plcmechanize:

• brand: Allen-bradley
• type: Non Contact Switch
• notice: Products And Box Label Are Not Provide Full Barcodes And Qr Code
• manufacturer part number: 440N-Z21S26J
• country of origin: Dominican Republic

offer plcmechanize:

• availability: In Stock
• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• started: February 25, 2026

general plcmechanize:

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

payments plcmechanize:

• credit card: Visa
• wallet: Paypal
• other

returns plcmechanize:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

shipping plcmechanize:

• transit: 5-10 Days
• cost: $5.89
• type: Calculated
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

seller plcmechanize:

• rating: 100.0%
• # reviews: 305
• city: Prairie Grove, Arkansas

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