MG-12 SQUARE D Lighting Contactor

Review SQUARE D Squaremg-12 Lighting Contactor 20a 600vac

The Square D QO12-8903 20A 600VAC Lighting Contactor is a versatile and reliable electrical component designed for use in lighting control applications. This contactor, manufactured by Square D, a well-known name in electrical equipment, is built to provide safe and efficient power control to various lighting systems.

Measuring 1.6 inches by 2.8 inches by 1.1 inches, this contactor offers a compact design that can be easily integrated into various electrical installations. It is rated for a current of 20 amperes and a voltage of 600 volts AC, making it suitable for use in heavy-duty lighting applications.

The contactor features a silver-plated silver alloy contact material that ensures excellent conductivity and long-lasting performance. This material is also resistant to oxidation and corrosion, ensuring the contactor's continued reliability even in harsh environments.

The QO12-8903 contactor comes with a built-in coil that provides a fast and responsive magnetic contact operation. It also features a mechanical interlock system that ensures the contactor is only energized when the load circuit is closed, providing an added layer of safety to the system.

This contactor is designed to meet the highest safety standards and is UL listed, ensuring that it complies with the strict safety requirements set by Underwriters Laboratories. It is also RoHS compliant, meaning that it does not contain any hazardous substances, making it an environmentally friendly choice for electrical installations.

The contactor is housed in a rugged and durable cast aluminum enclosure that protects it from dust, moisture, and other environmental hazards. It also features a clear, easy-to-read label that indicates the contactor's rating and function, making it easy to identify and install in the electrical system.

In summary, the Square D QO12-8903 20A 600VAC Lighting Contactor is a high-performance and reliable electrical component designed for use in heavy-duty lighting control applications. Its compact size, fast magnetic contact operation, and robust construction make it an ideal choice for a wide range of electrical installations. With its UL listing, RoHS compliance, and easy-to-read label, this contactor offers peace of mind to installers and users alike, knowing that they are using a safe and reliable electrical component.

Pros and Cons of Buying Square D GP20-12 8903 20A 600VAC Lighting Contactor

The Square D GP20-12 8903 is a 20A, 600VAC lighting contactor manufactured by Square D, a well-known brand in the electrical industry. This contactor is widely used for controlling lighting loads and comes with several advantages and disadvantages. In this analysis, we will discuss both the pros and cons to help you make an informed decision about purchasing this contactor.

1. High Voltage Rating: With a 600VAC voltage rating, the Square D GP20-12 8903 contactor is suitable for high-voltage applications, making it a versatile option for various industrial and commercial settings.

2. Durable Construction: The contactor is built with robust materials, ensuring its longevity and reliability in harsh environments. It is also resistant to moisture, providing additional protection in humid conditions.

3. Easy Operating Mechanism: The contactor features a simple and easy-to-use operating mechanism, allowing for quick and efficient installation and operation.

4. Overload Protection: The contactor comes with built-in overload protection, ensuring the safety of the electrical system by preventing overcurrent situations that can cause damage or even fires.

5. Cost-Effective: Compared to other contactors with similar specifications, the Square D GP20-12 8903 is relatively affordable, making it a cost-effective choice for many applications.

1. Limited Load Capacity: Despite its high voltage rating, the contactor has a relatively low load capacity of 20A. This might not be sufficient for larger lighting loads or other electrical applications that require higher currents.

2. Limited Compatibility: The contactor is designed specifically for lighting loads and might not be compatible with other types of electrical applications.

3. Limited Control Functionality: The contactor offers basic on/off control functionality and might not support advanced control features, such as energy management or load shedding.

The Square D GP20-12 8903 20A 600VAC lighting contactor is a reliable and cost-effective option for controlling lighting loads in industrial and commercial applications. Its high voltage rating, durable construction, easy operating mechanism, overload protection, and cost-effectiveness make it an attractive choice. However, its limited load capacity, compatibility, and control functionality might make it less suitable for other electrical applications that require higher currents or advanced control features. Ultimately, the decision to purchase the Square D GP20-12 8903 should be based on the specific requirements of your electrical application. If you are only looking to control lighting loads and have a voltage requirement of 600VAC, this contactor is an excellent choice. However, if you have other electrical needs, you may need to consider other options with different specifications.

Details:

Item may exhibit. Fast and secure delivery. Feature specification, contactor type class 8903 multiple lighting contactor, current rating fluorescent/ballast 30 amps, tungsten/incandescent 20 maximum system voltage 600 v ac, coil holding type electrically held or mechanically held, voltage most common 110/120 ac 50/60 Hz 277 60 Hz, contact configuration normally open n.o. Typically 12 n.o. At autos electrical, we prioritize your safety and satisfaction.

Original condition required. Response time: within 24 hours. Functional and reliable, with some cosmetic imperfections. Minor cosmetic wear scratches, scuffs, etc.

Signs of handling or installation. Satisfaction guaranteed. Secure and convenient. Pre-owned, thoroughly tested, and fully functional.

Accurate , high-quality images, and prompt issue resolution.

specifications buildymat:

• brand: Square D
• mpn: Mg-12
• model: 8903 Mg-12
• part type: Contactor
• unit type: Unit

returns buildymat:

• time: 30 days
• method: money back
• policy: returns accepted
• paid by: buyer

shipping buildymat:

• type: fixed
• service: ups ground
• transit: 5-11 days
• carrier: ups
• class: standard

general buildymat:

• category: Business & Industrial > Supplies > Building Materials

offer buildymat:

• prices: $150.00–$599.99
• item condition:
  • New
  • New – Open box
  • Used
  • Seller refurbished
• in stock #: 5
• sold #: 10
• best offers: true
• started: november 24, 2025
• options: ship-to-home
• availability: in stock

seller buildymat:

• # reviews: 1382
• city: stone mountain, georgia
• rating: 99.5%

payments buildymat:

• credit card: visa
• other
• wallet: paypal