ALLEN-BRADLEY 440N-Z21W1PB Guardmaster Contact Switch Led Indicator

( Brand: Allen-bradley ), ( Part Type: Switch Led Indicator ), ( Manufacturer Part Number: 440N-Z21W1PB ), ( Country Of Origin: China )

Review ALLEN BRADLEY Guardmaster Non Contact Switch Led Indicator Used

The Allen-Bradley Model 440N-Z21W1PB GuardMaster Contact Switch is a versatile and reliable safety component designed to provide visual confirmation of contact closure in applications where machine safety is a top priority. This particular model features a red LED indicator, offering clear and easily noticeable visual cues.

The GuardMaster Contact Switch is built using Allen-Bradley's proven technology, ensuring reliable performance even in the most demanding industrial environments. The switch is designed for use in Category 3 and Category 4 applications, making it an excellent choice for machinery that requires safety monitoring.

The contact switch is rated for a maximum operating voltage of 24 volts DC and can handle currents up to 1 ampere. It is constructed with a robust and durable design, featuring a die-cast aluminum housing and a polycarbonate lens to protect the LED indicator from damage.

The LED indicator is designed to provide a bright and consistent visual signal. It is powered through the switch contacts, making wiring simple and efficient. The switch can be easily mounted using the included mounting hardware, allowing for flexible installation in a variety of machine configurations.

The GuardMaster Contact Switch is designed to meet the requirements of various safety standards, including UL 508A, CSA C22.2 No. 61558-1, and EN 60204-1. It is also RoHS compliant, making it an environmentally responsible choice for your industrial automation needs.

In summary, the Allen-Bradley Model 440N-Z21W1PB GuardMaster Contact Switch with red LED indicator is a reliable and versatile safety component that offers clear visual confirmation of contact closure. It is built to meet the highest industrial safety standards and is designed for use in Category 3 and Category 4 applications. The switch is easy to install and features a robust and durable design, making it an excellent choice for any industrial automation application where safety is a top priority.

The Allen-Bradley 440N-Z21W1PB Guardmaster Contact Switch with LED Indicator is a versatile and reliable switching solution for various industrial applications. This device combines a contact switch with an LED indicator to provide visual confirmation of switch status. Here are some pros and cons of buying this particular model:

1. Versatility: The Guardmaster Contact Switch can be used in a wide range of applications due to its various mounting and wiring options.

2. Reliability: Allen-Bradley is a reputable brand known for its durable and high-quality components. This switch is designed to withstand harsh industrial environments.

3. Visual confirmation: The integrated LED indicator provides instant visual confirmation of switch status, which can be beneficial in applications where quick response is essential.

4. Easy installation: The switch comes with a wiring diagram and mounting templates to facilitate easy installation.

5. Customizable options: The switch is available in various configurations, including different voltage ratings and contact configurations, to meet specific application requirements.

1. Cost: Compared to simpler contact switches without LED indicators, the Guardmaster Contact Switch with LED Indicator may be more expensive.

2. Complexity: With additional features comes added complexity. Users may need to have a good understanding of the switch's capabilities and wiring requirements.

3. Size: Due to the integrated LED indicator, the switch may be slightly larger than conventional contact switches.

In conclusion, the Allen-Bradley 440N-Z21W1PB Guardmaster Contact Switch with LED Indicator offers several advantages, including versatility, reliability, visual confirmation, and customizable options. However, it also comes with some disadvantages, such as cost, complexity, and size. Ultimately, the decision to purchase this switch depends on the specific application requirements and the user's preference for visual confirmation and ease of installation.

If visual confirmation is a crucial requirement for your application and you are willing to pay a premium for the added feature, the Allen-Bradley 440N-Z21W1PB Guardmaster Contact Switch with LED Indicator is an excellent choice. However, if you have simpler application requirements and prefer a more cost-effective solution, a conventional contact switch without an LED indicator may be a better option.

Details:

Used item, working pull.

part #: 440nz21w1pb prices

• $70.00-$75.00

specifications plcmechanize:

• brand: Allen-bradley
• part type: Switch Led Indicator
• manufacturer part number: 440N-Z21W1PB
• country of origin: China

offer plcmechanize:

• quantity: 4
• availability: In Stock
• options: Ship-to-home
• started: May 15, 2026
• sold: 0
• best offers: True

seller plcmechanize:

• # reviews: 6392
• city: Downey, California
• rating: 99.8%

returns plcmechanize:

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

general plcmechanize:

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

payments plcmechanize:

• credit card: Visa
• other
• wallet: Google-pay

shipping plcmechanize:

• service: Standard, UPS Ground
• transit: 4-7 Days
• carrier: UPS
• cost: $0.00
• class: Standard
• type: Fixed

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