ALLEN-BRADLEY 440N-Z21S16B Safety Switch

( Brand: Allen-bradley ), ( Part Type: Safety Switch ), ( Manufacturer Part Number: 440N-Z21S16B )

Review ALLEN BRADLEY Safety Switch 440nz21s16b

The Allen-Bradley 440N-Z21S16B safety switch is a versatile and reliable device designed to protect machinery and operators from hazards in industrial applications. This safety switch, part of the Allen-Bradley 440N Series, is specifically engineered to meet the requirements of Category 3 and Category 4 of the Performance Level e safety standards set forth by the International Electrotechnical Commission (IEC).

The 440N-Z21S16B is a single-pole, normally open, manual-reset safety switch with a rated voltage of 24 Vdc and a current rating of 16 Amperes. It features a large, easy-to-operate test button, which allows operators to safely verify the switch's functionality before each use. The switch body is constructed from rugged, die-cast aluminum material, ensuring durability and resistance to harsh industrial environments.

This safety switch includes an integrated status indicator, which illuminates when the switch is in the safe position. The indicator can be configured to either remain on or blink, depending on the application requirements. The switch also features a built-in test function, which allows operators to perform regular safety checks without the need for additional test equipment.

The 440N-Z21S16B is designed for ease of integration into various control systems, as it can be used with both Allen-Bradley and third-party control devices. It comes equipped with a removable terminal block, which allows for simple and secure wiring connections. In addition, the switch is UL listed and CE marked, making it compliant with various international safety standards.

In summary, the Allen-Bradley 440N-Z21S16B safety switch is a robust and reliable solution for safeguarding machinery and operators in industrial applications. Its Category 3 and Category 4 compliance, large test button, built-in status indicator, and ease of integration make it a valuable addition to any control system.

The Allen-Bradley 440N-Z21S16B safety switch is a versatile and reliable device designed to protect machinery and equipment from operating under hazardous conditions. This switch is part of Rockwell Automation's 440N safety relay family, which offers a variety of safety functions. Here are some pros and cons of buying this safety switch:

1. Versatility: The Allen-Bradley 440N-Z21S16B safety switch can be used in various applications, including emergency stop, machine safety monitoring, and interlocking. It can also be used with a wide range of sensors, such as proximity switches, photoelectric sensors, and limit switches.

2. Reliability: Rockwell Automation is known for its high-quality products, and the 440N safety relay family is no exception. The safety switch is designed to meet the performance level d (PLd) category 3 safety requirements, which is the highest level of protection for safety applications.

3. Easy to install: The safety switch is easy to install and connect to the safety relay. It comes with a clear and concise wiring diagram, making it simple to understand the wiring connections.

4. Flexible configuration: The safety switch can be easily configured using Rockwell Automation's RSLogix 5000 or RSLogix 5000 Safety software. This allows users to customize the safety functions to meet their specific application requirements.

5. Diagnostic capabilities: The safety switch has built-in diagnostic capabilities, which enable users to quickly identify and troubleshoot faults. This reduces downtime and maintenance costs.

1. Cost: The Allen-Bradley 440N-Z21S16B safety switch is more expensive than some other safety switches on the market. However, its high reliability and versatility make it a worthwhile investment for many applications.

2. Complexity: While the safety switch is easy to install, its configuration can be complex for users who are not familiar with Rockwell Automation's safety software. However, the company offers extensive documentation and training resources to help users get started.

The Allen-Bradley 440N-Z21S16B safety switch is a high-performance and reliable device that offers a wide range of safety functions. While it may be more expensive than some other safety switches, its versatility, reliability, and diagnostic capabilities make it a worthwhile investment for many applications. Users who are not familiar with Rockwell Automation's safety software may find the configuration process complex, but the company provides extensive resources to help them get started.

If you are looking for a high-performance and reliable safety switch for your machinery or equipment, the Allen-Bradley 440N-Z21S16B safety switch is an excellent choice. Its versatility, ease of installation, and diagnostic capabilities make it an ideal solution for various safety applications. While it may be more expensive than some other safety switches, its high level of protection and customizable features make it a worthwhile investment. It is recommended to consult with a qualified safety professional or Rockwell Automation's technical support team to ensure proper installation and configuration of the safety switch.

Details:

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part #: 440nz21s16b prices

• $145.00-$173.54

specifications plcmechanize:

• brand: Allen-bradley
• part type: Safety Switch
• manufacturer part number: 440N-Z21S16B

offer plcmechanize:

• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock
• started: April 2, 2025

seller plcmechanize:

• # reviews: 100
• city: Los Angeles, California
• rating: 98.6%

payments plcmechanize:

• wallet: Apple-pay
• credit card: Mastercard
• other

general plcmechanize:

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

returns plcmechanize:

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

shipping plcmechanize:

• class: Standard
• service: Standard
• cost: $0.00
• transit: 5-12 Days
• type: Fixed

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