1. Ham, Amateur Radio Communication For Sale
  2. sku: 2813341804824202
  3. COMTEK COM-ACB-20-A

COMTEK COM-ACB-20-A Hybrid Square ACB-4

Com-acb-20-a Comtek Hybrid Systems

( Brand: Comtek ), ( Manufacturer Part Number: COM-ACB-20-A ), ( Part Type: System )

Review COMTEK Hybrid Square Systems Acb-20

The COM-ACB-20-A Comtek ACB-4 Hybrid Square AC Breaker is a versatile and high-performance electrical device designed for use in a variety of residential, commercial, and industrial applications. This breaker is part of Comtek's ACB-4 series, which is known for its robustness and reliability.

The COM-ACB-20-A is a hybrid square breaker, which means it combines the advantages of both miniature circuit breakers (MCBs) and molded-case circuit breakers (MCCBs). It offers the fast trip time and overcurrent protection of an MCB, along with the higher short-circuit current rating of an MCCB. This makes it an excellent choice for applications that require both fast protection and high current handling capacity.

The breaker has a rated current of 20 A and is designed to operate in a square mounting position, making it easy to install in a variety of electrical panels. It features a mechanical trip unit that provides reliable protection against overcurrents, as well as a thermal-magnetic trip unit for additional protection against short circuits.

The COM-ACB-20-A is also equipped with a handle that provides easy operation, even in tight spaces. It is rated for use in both single-phase and three-phase applications, and can handle both AC and DC currents. The breaker is also UL listed, ensuring that it meets the highest standards of safety and performance.

In summary, the COM-ACB-20-A Comtek ACB-4 Hybrid Square AC Breaker is a versatile and reliable electrical protection device that offers fast trip times, high current handling capacity, and easy operation. Its hybrid design and square mounting position make it a great choice for a wide range of applications, and its UL listing ensures that it meets the highest safety standards.

Com-ACB-20: Pros:

1. Affordable: This model is one of the most budget-friendly options among the three.

2. Compact: Its size makes it easy to install and maneuver in tight spaces.

3. Basic Functionality: It offers essential features for most users, including a digital display and a programmable timer.

Cons:

1. Limited Capacity: With a 20-amp rating, it may not be suitable for high power tools or multiple appliances.

2. Lack of Advanced Features: Compared to the Comtek ACB-4 and the ACB-20 Hybrid, it has fewer bells and whistles.

Comtek ACB-4: Pros:

1. Higher Capacity: With a 40-amp rating, it can handle more power tools and appliances simultaneously.

2. Advanced Features: It includes a digital display, overload protection, and a programmable timer.

3. Durable: The Comtek brand is known for its high-quality construction.

Cons:

1. Higher Price: Due to its advanced features and higher capacity, it is more expensive than the Com-ACB-20.

2. Size: Its larger size may make it less suitable for tight spaces.

Comtek ACB-20 Hybrid Square: Pros:

1. Hybrid Design: This model offers both a square and round outlet, providing more flexibility in connecting various devices.

2. Advanced Features: Like the ACB-4, it includes a digital display, overload protection, and a programmable timer.

3. Space-Saving: Despite being a hybrid model, it still has a compact size, making it easier to install.

Cons:

1. Higher Price: Like the ACB-4, the Hybrid Square model is more expensive due to its advanced features.

2. Limited Capacity: With a 20-amp rating, it may not be suitable for high power tools or multiple appliances.

Conclusion:

If you're on a tight budget and your power needs are minimal, the Com-ACB-20 is a decent option. However, if you're looking for more capacity and advanced features, the Comtek ACB-4 or the ACB-20 Hybrid Square would be better choices. Consider your specific needs and budget before making a decision.

Recommendation:

If you need a more powerful outlet and advanced features, I would recommend going for either the Comtek ACB-4 or the ACB-20 Hybrid Square. They offer better value for their price and can accommodate more devices or high power tools. However, if you're looking for a more affordable option and only need basic functionality, the Com-ACB-20 could still serve your purposes.

Details:

Comtek ACB-4a four-square control consoles are ready to your hybrid array with low-cost three conductor cable. Four-square arrays are band-specific, due to antenna spacing and phasing feed line length s.

Control console depth in. They have four scratch-pad labels and leds to indicate the array directional positions. Quantity: sold as a kit.

A four-square phased array consists of four elements fed in phase relationships and power ratios that produce directional cardio id pattern GA - 7 TX 8. Specially designed to be useful as replacements for existing Comtek acb hybrid four-square antenna systems, ACB-4a control consoles now feature a 12v dc input easily integrated into all stations, including those that can run on emergency power. Comtek ACB-4 hybrid four-square relay units are single-band, available for each major amateur band from 160 meters to 10.

Comtek ACB-4 hybrid four-square systems are designed for use with a four element vertical arrays an excellent cardio id pattern delectable directions. Ground-mounted vertical arrays are easier to build and less costly maintain than towers beam antennas. Four-square arrays offer over 5 db of forward gain and fantastic front-to-back rejection 25.

Comtek ACB-4 hybrid four-square systems are phased array relay units and control consoles that affordable, simple to install, easy use. Comtek ACB-4 hybrid four-square systems include the 90 degree relay units with these features: 2 kw rating for amateur Sb and cw 15 gold plated contact relays dust covers PDF silver stranded wire over fiberglass tape-wound droids balanced temperature, frequency, voltage stable capacitors double-sided printed circuit board moves lightning surge protection RF bypass caps brushed aluminum z-chassis cover riveted seams mounting clamp included specifications: brand:Comtek manufacturers part number:com-acb-20-a type:hf transmit four square product line:Comtek DX band: 20 meters power rating: unit control cable connection: internal console switch type: rotary Omani position: no hot-switch lockout: cable: 3-conductor connection: external width in.

Control console width in.

Comtek ACB-4a four-square control console is included. Four-square arrays are a practical solution for building high performance directional hf antenna system, especially low band ding. Hybrid unit depth in. Control console height in.

part #: comacb20 price

  • $179.00

specifications hamamateuradio:

  • brand: Comtek
  • mpn: Com-acb-20-a
  • part type: System

Offer hamamateuradio:

  • Sold: 0
  • Started: September 6, 2018, 5:17 am
  • quantity: 1
  • best offer: false
  • bids: 0

Ratings:

  1. Very fast service 08-24-18
  2. Another Excellent transaction - Very well packed - Thanks again. 08-13-18
  3. Very good seller item perfect fast delivery thank you 07-24-18
  4. quick shipping, and nice rotator. thanks 07-19-18
  5. Excellent ! exactly as described and fast communications and delivery 07-20-18

Shipping hamamateuradio:

  • handling: 3 days
  • type: Calculated

Returns hamamateuradio:

  • policy: no returns

General hamamateuradio:

  • consumer electronics > radio communication electronics > ham amateur radio communication
  • condition: New other see details
  • in stock: Yes

Seller hamamateuradio:

  • zipcode: 44260
  • city: Mogadore, Ohio

Payments hamamateuradio:

  • PayPal
part type: system,
category: electronics > radio communication electronics > ham amateur radio communication, sku: 2813341804824202,
Review#1 Very fast service ()
Review#2 Another Excellent transaction - Very well packed - Thanks again. . ()
Review#3 Very good seller item perfect fast delivery thank you ()
Review#4 quick shipping, and nice rotator. thanks ()
Review#5 Excellent ! exactly as described and fast communications and delivery ()
Comtek COM-ACB-20 Is Similar To:
  • (40.4% similar) Add your verticals and some control cable to complete the system. The Comtek 4 square array was a nice addition to my antenna farm. It is missing the u bracket that would be used to attach it to a pole. For my 20M and below setup I would run a 4 square on 40M, a 4 square on 20M and 2 elements in ...(February 28th, 2015)
  • (34% similar) Quantity: sold individually. Brand: Comtek. Product line: Comtek ACB-4 series four-square switch relay units. Comtek ACB-4-10/20 series phased vertical array switch relay system very nice looks like it was hardly used. Below the relay unit. Relay unit control cable connection: internal. Transmit ...(April 7th, 2025)
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1 offer $179.00 USD
  • For parts or not working. Offer #1 priced at $179.00 + $0.00 shipping estimate = $179.00* total. Ideal for amateur radio operators, restorers, or RF system builders. Comtek Series Four-Square Switch Relay Unit ACB-160 Untested The unit measures approximately 6 1/2" wide, 8 1/2" tall, and 7" deep.FREE SHIPPING

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