78222 SQUARE D Ac Control Relay

Review SQUARE D Square78222 Ac Control Relay Part #78222

The Square D 78222 AC Control Relay is a versatile and reliable electrical component designed for controlling AC applications. This relay is part of Square D's comprehensive offering of industrial automation and control solutions.

The 78222 AC Control Relay is a single-pole, double-throw (SPDT) device, which means it can switch one AC circuit on or off while connecting another circuit in its place. It is rated for a maximum AC voltage of 277/480 volts and a current of 10 amperes. The relay operates on a coil voltage of 120 volts AC and requires a coil current of 0.2 amperes to activate.

The relay comes in a compact and robust enclosure made of die-cast aluminum, ensuring durability and protection against harsh industrial environments. The terminal block is easily accessible on the top of the relay housing, allowing for quick and easy wiring. Each terminal is clearly labeled, making installation and maintenance a straightforward process.

The 78222 AC Control Relay is equipped with a number of features to ensure reliable operation and prolong its lifespan. These include a contact rating of 10,000 cycles at 10 amperes and a coil rating of 50,000 cycles at 0.2 amperes. The relay also features a contacts resistances of 250 ohms at 277 volts AC and 500 ohms at 480 volts AC, ensuring low contact bounce and minimal arcing.

The Square D 78222 AC Control Relay is designed to meet the highest industry standards, including UL and CSA. It also conforms to ROHS and REACH directives, making it an environmentally friendly choice for your electrical applications. With its robust construction, reliable performance, and ease of use, the 78222 AC Control Relay is an excellent choice for controlling AC circuits in industrial and commercial settings.

Buying a Square 78222 AC Control Relay can have several advantages and disadvantages depending on your specific use case and requirements. Here are some potential pros and cons:

1. Reliability: Square is known for manufacturing high-quality electrical components, including the 78222 AC Control Relay. This relay is designed to provide long-lasting performance and reliability in industrial and commercial applications.

2. Versatility: The Square 78222 AC Control Relay is a universal AC contactor and overload relay in one package. It can handle both contactor and overload functions, making it a convenient and space-saving option for many applications.

3. Safety: This relay comes with built-in overload protection, which can help prevent electrical overloads and potential fires in your system.

4. Easy installation: The Square 78222 AC Control Relay is designed for easy installation, with clear markings and straightforward wiring diagrams.

1. Cost: Compared to some other relays on the market, the Square 78222 AC Control Relay may be more expensive. However, the added functionality and reliability may justify the cost for some users.

2. Size: The Square 78222 AC Control Relay is larger than some other relays on the market, which may make it less suitable for applications where space is a concern.

3. Limited compatibility: While the Square 78222 AC Control Relay is widely used, it may not be compatible with all electrical systems. Before making a purchase, it's important to check the compatibility of this relay with your specific application.

In conclusion, the Square 78222 AC Control Relay offers several advantages, including reliability, versatility, safety, and easy installation. However, it may be more expensive and larger than some other options on the market, and may not be compatible with all electrical systems. Ultimately, the decision to buy this relay depends on your specific application requirements and budget.

If you are looking for a high-quality, versatile, and reliable AC control relay with built-in overload protection, the Square 78222 may be a good choice for you. However, if cost or size is a major concern, or if you have compatibility issues, you may want to consider other options on the market.

If you are in the market for a Square 78222 AC Control Relay, it's important to do your research before making a purchase. Make sure that this relay is compatible with your electrical system, and consider the benefits and drawbacks carefully. If you decide that the Square 78222 is the right choice for you, be prepared for a reliable and versatile component that can handle both contactor and overload functions, with built-in safety features.

Details:

Stock #e0256. Square ac control relay - part #78222.

specifications genpurrelays:

• brand: Square D
• mpn: 78222
• part type: Ac Control
• current type: Ac
• country of origin: United States

shipping genpurrelays:

• carrier: usps
• transit: 5-10 days
• class: standard
• service: usps ground advantage
• type: calculated

offer genpurrelays:

• prices: $32.00–$60.00
• item condition:
  • New
  • New – Open box
• started: april 8, 2026
• options: ship-to-home
• best offers: true
• in stock #: 5
• sold #: 5
• availability: in stock

payments genpurrelays:

• credit card: visa
• other
• wallet: paypal

returns genpurrelays:

• policy: no returns

seller genpurrelays:

• rating: 100.0%
• city: elizabethton, tennessee
• # reviews: 195

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays