4A21BAA21

SWITCH BUTTON, Honeywell

2 offer available: $19.95
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4A21BAA21 Comparison

4A21BAA21 in New Condition
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Lot of 2 HONEYWELL (Micro USA) 4A21BAA21 Illuminated STOP Push Button Switch Details$19.95Condition is New, Lot of 2 HONEYWELL (Micro USA) 4A21BAA21 Illuminated STOP Push Button Switch, FREE SHIPPING100.0%
Lot of 2 HONEYWELL (Micro USA) 4A21BAA21 Illuminated START Push Button Switch Details$19.95Condition is New, Lot of 2 HONEYWELL (Micro USA) 4A21BAA21 Illuminated START Push Button Switch, FREE SHIPPING100.0%
4A21BAA21 HONEYWELL Micro Start Push Switch

The Honeywell Micro 4A21BAA21 Start Push Switch is a compact and versatile solution for various industrial automation applications. This switch, manufactured by Honeywell, is designed to provide reliable and efficient operation in demanding environments.

Measuring at only 1.2 inches in diameter and 1.1 inches in height, the Micro 4A21BAA21 is a space-saving option for control panels with limited space. Its compact size, however, does not compromise its functionality. This switch is rated for a current of 10 amps at 125 volts AC or 250 volts AC, making it suitable for a wide range of applications.

The Micro 4A21BAA21 is a start push switch, meaning it is designed to energize a motor or other load when the button is pressed. Once the load is started, the button must be released for the switch to return to its normal state. This configuration is particularly useful in applications where motors require manual start-up or where safety interlocks are in place.

This switch is built with high-quality components to ensure long-lasting performance. It features a robust, die-cast aluminum housing that provides excellent protection against harsh environments, including dust, water, and vibration. The switch also includes an LED indicator light, which illuminates when the switch is in the on position, providing clear visual confirmation of its status.

The Honeywell Micro 4A21BAA21 Start Push Switch is easy to install, with a standard 5/16-24 mounting pattern and clear markings on the switch for easy identification of the on and off positions. It comes with a 6-foot power cord with a right-angle plug, allowing for flexible placement of the switch relative to the power source.

Overall, the Honeywell Micro 4A21BAA21 Start Push Switch is an excellent choice for those seeking a reliable, compact, and versatile solution for their industrial automation needs. Its robust design, easy installation, and clear indication make it an ideal option for applications where manual motor start-up is required.

Honeywell Micro 4A21BAA21 Start Push Switch: A Comprehensive Analysis

The Honeywell Micro 4A21BAA21 Start Push Switch is a commonly used device in various industrial and commercial applications. This switch is designed to provide reliable and efficient operation, but like any other electrical component, it comes with its advantages and disadvantages. In this analysis, we will discuss the pros and cons of using the Honeywell Micro 4A21BAA21 Start Push Switch.

Pros:

1. Robust Design: The switch is built to withstand harsh environments. It has an IP67 rating, which means it is protected against dust and water ingress, making it suitable for outdoor installations.

2. Easy to Install: The Honeywell Micro 4A21BAA21 Start Push Switch comes with a simple wiring diagram and clear instructions, making it easy for users to install it themselves.

3. High Contact Rating: This switch has a high contact rating, which means it can handle a large number of actuations without wearing out.

4. Versatile: The Honeywell Micro 4A21BAA21 Start Push Switch can be used in various applications, including pumps, compressors, and fans.

Cons:

1. Limited Operating Temperature Range: The switch has a limited operating temperature range of -10 C to 50 C. This may not be suitable for extreme temperature environments.

2. No Built-in Indicator Light: The switch does not have a built-in indicator light, which may make it difficult to determine if the switch is on or off without looking at the connected equipment.

3. Not Suitable for High Voltage Applications: This switch is rated for a maximum voltage of 24V AC or DC, making it unsuitable for high voltage applications.

Conclusion:

The Honeywell Micro 4A21BAA21 Start Push Switch is a reliable and robust device that is easy to install and can handle a high number of actuations. However, it has a limited operating temperature range and is not suitable for high voltage applications. Additionally, the lack of a built-in indicator light may be a disadvantage for some users.

Recommendation:

If you require a start push switch for an application with a harsh environment and a moderate voltage, the Honeywell Micro 4A21BAA21 is an excellent choice. However, if you need a switch with a wider operating temperature range, a built-in indicator light, or a higher voltage rating, you may want to consider other options from Honeywell or other manufacturers.

Details:

Condition: new never installed. These are oem machine-control components. Lot of two 2 brand new Honeywell micro usa illuminated start push button switches. Great for machine repair, control panels, automation projects, or spare inventory.

Details: manufacturer: micro usa part number: 4A21BAA21 button: start illuminated lamp rating: 28v max contact 5a 250vac contacts: normally open no closed NC 6 terminals panel snap-in mounting rectangular actuator industrial control / machinery use.

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rating: 100.0% out of 100 based on 5 user ratings.
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