MK03A LINE ELECTRIC Relay Cont Coil

Review LINE ELECTRIC New Relay 10a Cont At 120vac 240vac Coil S3

The Line Electric MK03A is a versatile and reliable 3-pole, double-throw (3PST-2PPD) AC relay with a controlling coil voltage of 240VAC and a contact rating of 10A continuous at 120VAC. This relay is designed to handle line voltages, making it suitable for various electrical applications.

The MK03A features a compact size, measuring approximately 1.7 inches long, 1.1 inches wide, and 0.8 inches high, making it a space-saving option for tight installation spaces. Its robust construction includes gold-plated contacts to ensure long-lasting performance and minimize contact resistance, ensuring smooth and reliable switching of electrical loads.

The coil of this relay operates on a 240VAC voltage, which is commonly found in industrial and heavy-duty applications. The coil has a current rating of 3A and a resistance of 80 ohms. To activate the relay, an external control circuit must apply a voltage to the coil.

This Line Electric MK03A relay offers three normally open (NO) contacts that can be used to switch three separate electrical circuits. When the coil is energized, the contacts close, allowing the electrical current to flow from the input to the output. When the coil is de-energized, the contacts return to their normally open state, disconnecting the electrical circuits.

The MK03A relay comes with a built-in hinged lid that protects the contacts from dust, moisture, and other contaminants when not in use. This relay has a maximum operating temperature of 104 F (40 C) and a maximum ambient temperature of 140 F (60 C). It is designed to operate in various environments, including industrial and commercial settings.

In summary, the Line Electric MK03A relay is a robust and versatile AC relay with a 10A contact rating at 120VAC and a 3A coil at 240VAC. Its compact size, gold-plated contacts, and rugged construction make it a reliable choice for various electrical applications.

The Line Electric MK03A relay is a 3-position, 2-pole, 10A contact, 120VAC coil, and 240VAC common secondary relay. This type of relay is commonly used in various electrical applications for controlling circuits. Here are some pros and cons of buying a Line Electric MK03A relay:

1. Versatile: This relay can handle both 120VAC and 240VAC coils, making it suitable for a wide range of applications.

2. High Contact Rating: With a contact rating of 10A, this relay can handle high current loads.

3. Durable: Line Electric is known for manufacturing high-quality relays that can withstand harsh environments.

4. Easy to Install: The relay comes with clear markings and easy-to-follow instructions, making it simple to install.

5. Cost-Effective: This relay is competitively priced compared to similar relays from other manufacturers.

1. Size: The relay is somewhat larger than some other relays in its class, which may make it less suitable for applications where space is limited.

2. Coil Voltage: The 240VAC coil voltage may be higher than what is required for some applications, leading to unnecessary energy consumption.

3. Manual Operation: This relay is manually operated and does not have any built-in sensors or automatic switching capabilities.

The Line Electric MK03A relay is a reliable and versatile option for controlling electrical circuits with high current loads. Its ability to handle both 120VAC and 240VAC coils, high contact rating, durability, and easy installation make it a great choice for many applications. However, its larger size and higher coil voltage may be drawbacks for some users. Ultimately, the decision to purchase this relay depends on the specific requirements of your application and your budget.

If you need a reliable and versatile relay for controlling high current loads, the Line Electric MK03A relay is an excellent choice. Its affordability and durability make it a cost-effective option for many applications. However, if you require a smaller relay or one with a lower coil voltage, there may be other options that better suit your needs. It's important to carefully consider the specific requirements of your application before making a purchase.

Details:

No other parts, controls, instructions, etc included in this sale. Part number: MK03A with 240vac coil. This includes apartments, townhouses, shared industrial buildings, strip malls, etc. See photos and read for details about the part being sold.

Sale is for one 1 nos relay. 3 pole single throw relay. Rated 10a continuous at 120 vac. See photos for details about the parts being sold.

New Line Electric relay. Signature delivery requirements.

specifications genpurrelays:

• brand: Line Electric
• mpn: Mk03a
• part type: Coil
• current type: Ac

shipping genpurrelays:

• class: standard
• service: usps ground advantage
• transit: 4-9 days
• type: calculated
• carrier: usps

returns genpurrelays:

• policy: no returns

seller genpurrelays:

• city: greenville, south carolina
• rating: 100.0%
• # reviews: 5353

payments genpurrelays:

• other
• credit card: visa
• wallet: apple-pay

general genpurrelays:

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

offer genpurrelays:

• in stock #: 5
• prices: $9.16–$15.00
• item condition:
  • New
  • Used
  • New – Open box
• options: ship-to-home
• availability: in stock
• sold #: 9
• started: december 18, 2025