SQUARE D LA11021 Shunt Trip 120 240VAC

( Brand: Square D ), ( Type: Shunt Trip ), ( Unit Type: Unit ), ( Manufacturer Part Number: LA11021 ), ( Input Voltage: 120 To 240vac ), ( Country/region Of Manufacture: United States )

Review SQUARE D Squarela11021 Shunt Trip 120 To 240vac New

The Square D LA11021 Shunt Trip Breaker is a versatile and reliable electrical component designed for use in various industrial and commercial applications. This breaker is suitable for 120VAC and 240VAC systems, making it a popular choice for installations with differing voltage requirements.

The LA11021 is a shunt trip breaker, which means it is designed to be tripped by a shunt trip coil instead of the traditional thermal or magnetic trip mechanism. This feature provides increased safety and control in applications where rapid circuit interruption is necessary. The breaker can be used with a variety of shunt trip coils to meet specific application requirements.

The breaker is rated for continuous currents up to 15 amperes and has a maximum breaking capacity of 30,000 amperes. It is suitable for use with single-phase, ungrounded Wye (Y) or Delta ( ) systems. The breaker housing is made of rugged, corrosion-resistant cast aluminum, ensuring long-lasting performance even in harsh environments.

The LA11021 is also equipped with a number of features to enhance safety and ease of use. It includes a ground fault protection function, which can detect and interrupt ground faults to prevent damage and reduce the risk of electrical shock. The breaker also features a clear, easy-to-read indicator window that shows the status of the breaker, as well as a convenient push-button trip test function for routine maintenance and testing.

Installation of the Square D LA11021 Shunt Trip Breaker is made simple with its standard NEMA size 4 mounting frame. It is compatible with a range of enclosure sizes and mounting configurations, making it a flexible option for a variety of installation scenarios. The breaker is also suitable for use with Square D QO, Homeline, and BR series enclosures, among others.

In summary, the Square D LA11021 Shunt Trip Breaker is a versatile and reliable electrical component that offers increased safety and control in industrial and commercial applications. Its compatibility with a range of voltage systems, shunt trip coils, and mounting configurations makes it a popular choice for a variety of applications where rapid circuit interruption is necessary. With its rugged construction, clear indicator window, and convenient push-button trip test function, the LA11021 is a must-have component for any electrical system.

The Square D LA11021 Shunt Trip Breaker is a type of electrical safety device designed to protect circuits and equipment from overcurrent conditions. Here are some pros and cons of buying this particular model:

1. High voltage rating: The LA11021 is rated for both 120V and 240V applications, making it a versatile option for various electrical systems.

2. Shunt trip mechanism: This type of trip unit is designed to react quickly to overcurrent conditions, providing fast protection against potential electrical faults.

3. UL listed: The Square D LA11021 is UL listed, ensuring that it meets the safety and performance standards set by Underwriters Laboratories.

4. Easy installation: The breaker is designed for easy installation into standard NEMA 5-20R and 6-20R outlet boxes.

1. Limited current rating: The LA11021 is only rated for a maximum current of 30 amps, which may not be sufficient for high-power applications.

2. Limited applications: This model is primarily designed for use in residential and light commercial electrical systems. It may not be suitable for heavy industrial applications.

3. Cost: The Square D LA11021 is priced higher than some other types of circuit breakers with similar voltage ratings.

The Square D LA11021 Shunt Trip Breaker is a reliable and safe option for protecting electrical circuits and equipment in residential and light commercial applications. Its quick response time and versatile voltage rating make it a popular choice among electrical professionals. However, its limited current rating and higher cost may make it less suitable for heavy industrial applications.

If you are looking for a reliable and versatile circuit breaker for residential or light commercial applications, the Square D LA11021 Shunt Trip Breaker is a solid choice. Its fast response time and UL listing make it a safe and effective option for protecting your electrical system against overcurrent conditions. However, if you require a higher current rating or are working in a heavy industrial application, you may want to consider other types of circuit breakers that better meet your specific needs.

Details:

Square D, LA11021, Shunt Trip, 120 to 240VAC, This part is NEW in OEM box. Comes with a 60 day warranty.

part #: la11021 prices

• $200.00-$750.00

specifications stigstarters:

• brand: Square D
• type: Shunt Trip
• unit type: Unit
• manufacturer part number: LA11021
• input voltage: 120 To 240vac
• country/region of manufacture: United States

offer stigstarters:

• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: October 13, 2025

shipping stigstarters:

• type: Fixed
• class: Standard
• transit: 3-5 Days
• carrier: FedEx
• cost: $12.50
• service: FedEx Ground / FedEx Home Delivery

general stigstarters:

• condition: New Open box
• Drives Starters > Starters > Combination Starters

payments stigstarters:

• wallet: Google-pay
• cash
• other
• credit card: Diners-club

returns stigstarters:

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

seller stigstarters:

• rating: 100.0%
• city: Appleton, Wisconsin
• # reviews: 1863

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