ALLEN-BRADLEY 440N-Z21W1PH Guardmaster Contact Switch

( Brand: Allen-bradley ), ( Part Type: Switch ), ( Manufacturer Part Number: 440N-Z21W1PH ), ( Controller Platform: Automate )

Review ALLEN BRADLEY 100% New Guardmaster 440n Non Contact Switch

The Allen-Bradley Model 440N-Z21W1PH GuardMaster 440N Contact Switch is a versatile and reliable switching solution designed for various industrial automation applications. This contact switch is part of Rockwell Automation's GuardMaster family, which offers advanced safety features to help increase machine uptime and reduce maintenance costs.

The 440N-Z21W1PH switch is a normally open (NO) type, meaning it does not conduct electricity until it is actuated. It is rated for a maximum voltage of 480V AC, 3-phase, 3-wire, and can handle a maximum current of 20 amperes. This contact switch is suitable for use in applications where safety and reliability are paramount, such as in machinery guard doors, presses, conveyors, and other industrial equipment.

One of the key features of the Allen-Bradley 440N-Z21W1PH GuardMaster contact switch is its integrated safety functions. It is certified to meet the requirements of IEC 61850-2-30 and IEC 61508 SIL 2, ensuring a high level of safety and functionality. The switch includes a built-in safety monitoring function that continuously monitors the status of the contact switch and provides a warning if any abnormal conditions are detected. This feature helps prevent accidents and downtime caused by faulty switches or other components.

The GuardMaster contact switch also offers easy installation and integration with other Allen-Bradley safety and control components. It features a compact, modular design that allows for easy mounting and wiring, and it is compatible with a wide range of Allen-Bradley safety relay systems. The switch also includes a built-in LED indicator, which provides clear visual indication of the switch status.

The 440N-Z21W1PH contact switch is built to withstand the harsh environments often found in industrial applications. It is constructed of rugged materials, including a powder-coated steel enclosure, and it is rated for operation in temperatures ranging from -40 C to 85 C. The switch is also IP67 rated, meaning it is protected against water and dust ingress, making it suitable for use in wet or dirty environments.

Overall, the Allen-Bradley Model 440N-Z21W1PH GuardMaster 440N Contact Switch is a robust and reliable solution for industrial automation applications that require safety and reliability. Its advanced safety features, ease of installation, and compatibility with other Allen-Bradley components make it an ideal choice for a wide range of industrial applications.

The Allen-Bradley Model 440N-Z21W1PH Guardmaster 440N Contact Switch is a popular choice for automation applications due to its robust design and reliable performance. However, like any industrial automation component, it has its pros and cons. Here's a detailed analysis of the advantages and disadvantages of this contact switch.

1. Robust Design: The Allen-Bradley 440N-Z21W1PH Guardmaster Contact Switch is designed to withstand harsh industrial environments. It has an IP69K rating, which means it is protected against high-pressure, high-temperature water jets. It also has a sealing system that prevents dust, moisture, and other contaminants from entering the switch.

2. Versatility: This contact switch is available in various configurations, including normally open (NO), normally closed (NC), and changeover (NO-NC or NC-NO) contacts, making it suitable for a wide range of applications.

3. Easy Installation: The Guardmaster Contact Switch is easy to install due to its modular design. The switch can be mounted directly to the machine or panel using the provided mounting hardware.

4. Diagnostic Capabilities: The Guardmaster Contact Switch comes with a built-in LED indicator that provides real-time status information. This feature makes it easy to identify faults and troubleshoot issues.

5. High Contact Rating: The contact switch has a high contact rating, which means it can handle heavy current loads and high cycle rates. This makes it suitable for demanding applications.

1. Cost: The Allen-Bradley 440N-Z21W1PH Guardmaster Contact Switch is more expensive than some other contact switches in the market. However, its robust design, versatility, and diagnostic capabilities make it a worthwhile investment for many industrial applications.

2. Complex Wiring: The contact switch has multiple terminals, which can make wiring more complex than with simpler switches. Proper wiring is essential to ensure the switch functions correctly.

3. Limited Mounting Options: The contact switch can only be mounted in certain orientations due to its design. This may limit its flexibility in some applications.

The Allen-Bradley Model 440N-Z21W1PH Guardmaster 440N Contact Switch is a reliable and robust solution for industrial automation applications. Its advantages, such as its robust design, versatility, easy installation, diagnostic capabilities, and high contact rating, outweigh its disadvantages, such as its cost, complex wiring, and limited mounting options. If you are looking for a contact switch that can withstand harsh environments, offers real-time status information, and can handle heavy current loads, then the Allen-Bradley 440N-Z21W1PH Guardmaster Contact Switch is an excellent choice.

If you are considering purchasing the Allen-Bradley 440N-Z21W1PH Guardmaster Contact Switch, ensure that you have a clear understanding of its wiring requirements and mounting options. It is also recommended to consult with a qualified automation engineer or technician to ensure proper installation and configuration. Overall, the benefits of this contact switch make it a worthwhile investment for many industrial automation applications.

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part #: 440nz21w1ph prices

• $87.25-$147.55

specifications plcmechanize:

• brand: Allen-bradley
• part type: Switch
• manufacturer part number: 440N-Z21W1PH
• controller platform: Automate

returns plcmechanize:

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

general plcmechanize:

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

seller plcmechanize:

• # reviews: 11
• city: Hebron, Kentucky
• rating: 100.0%

payments plcmechanize:

• other
• credit card: Mastercard
• wallet: Paypal

offer plcmechanize:

• options: Ship-to-home
• started: February 23, 2025
• sold: 0
• best offers: True
• availability: In Stock

shipping plcmechanize:

• class: Standard
• cost: $0.00
• transit: 4-10 Days
• service: Standard
• type: Fixed

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