DMM-9999M-24M NATIONAL CONTROLS CORPORATION Relays

Review NATIONAL CONTROLS CORPORATION Relays

Introducing the National DMM-9999M-24M Solid State Relay (SSR), a versatile and high-performing electronic component designed for various applications, particularly in industrial automation, medical equipment, and laboratory instruments. This 24V DC relay offers excellent reliability, precision, and energy efficiency, making it an ideal choice for those seeking a dependable and long-lasting solution.

The DMM-9999M-24M is a 9-channel, 24V DC, solid state relay system. Each channel features a normally open contact and can handle a maximum voltage of 250V AC or DC and a maximum current of 10A. These relays operate with zero contact bounce, which ensures smooth and precise switching, eliminating the possibility of electrical noise or arcing that may occur in mechanical relays.

The compact size of the National DMM-9999M-24M is another advantage, measuring just 5.8 x 3.6 inches (148 x 91.4mm), making it an excellent option for space-constrained applications. The relay system is also designed for easy integration into various systems, as it comes with a standard 5.083 x 3.57 inches (129.1 x 90.6mm) mounting base and includes terminal screws for secure connections.

The DMM-9999M-24M is built with high-quality components to ensure durability and longevity. It features a robust protective coating that shields the relays from harsh environmental conditions, such as moisture, dust, and extreme temperatures. Additionally, it is RoHS compliant, ensuring that it meets strict standards for the restriction of hazardous materials.

The solid state design of the National DMM-9999M-24M relay system offers several benefits over traditional mechanical relays. For instance, it consumes less power and generates less heat, making it a more energy-efficient and cost-effective option. It also facilitates quieter operation, as there is no mechanical clicking or clattering.

In summary, the National DMM-9999M-24M Solid State Relay system is a high-performing, reliable, and energy-efficient solution for a wide range of applications. With its 9 channels, compact size, and excellent build quality, this 24V DC relay system offers smooth and precise switching, easy integration, and long-lasting performance.

National DMM-9999M-24M relays are double-pole, double-throw (DPDT) relays with 24 normally open (NO) contacts. These relays are commonly used in various applications such as motor control, power distribution, and telecommunications. Here are some potential pros and cons of buying these relays:

1. High Contact Capacity: With 24 NO contacts, these relays can handle multiple circuits or applications in a single unit.

2. Wide Operating Voltage Range: These relays can operate with a voltage range of 12VDC to 240VAC, making them suitable for a wide range of applications.

3. Compact Size: The DMM-9999M-24M relays have a compact size, which makes them easier to install in confined spaces.

4. Robust Construction: These relays are designed with a robust construction that can withstand harsh environments and heavy usage.

5. Versatile Applications: These relays are suitable for various applications, including motor control, power distribution, and telecommunications.

1. Cost: National DMM-9999M-24M relays can be more expensive compared to relays with fewer contacts or simpler designs.

2. Complexity: With multiple contacts, these relays can be more complex to install and configure compared to simpler relays.

3. Requires External Coil: These relays require an external coil for operation, which can add to the overall cost and complexity of the system.

National DMM-9999M-24M relays offer several advantages, including high contact capacity, wide operating voltage range, compact size, robust construction, and versatility. However, they can also be more expensive and complex compared to simpler relays. Ultimately, the decision to buy these relays depends on the specific requirements of your application and the trade-offs you are willing to make.

If you require a relay with a large number of contacts and a wide operating voltage range, and you have the budget and expertise to install and configure a complex relay, then the National DMM-9999M-24M relay could be a good choice for you. Alternatively, if you have simpler requirements or a limited budget, you may want to consider relays with fewer contacts or simpler designs.

Details:

Surplus product, in un-used condition, fully functional with minor cosmetic defects. Product notes. Product length : 6.00 in. Condition: unused surplus - in original box product/box may have shelf wear this product does not carry manufacturers warranty.

Items do not carry a manufacturers warranty. Damaged product, not fit for use or installation, sold parts. These items are sold as is and purchased at buyers risk. Oem: from the original equipment manufacturer or in-house warranty.

Best offer accepted?: yes, sales phone number: number x refurbished product, fully functional and repaired to oem or better standards. As the product would be bought and sold in standard supply chain. Oem, NBS, NB, Ned, and ref.

Product height : 4.00 in. Surplus product, in un-used condition, may have minor wear on packaging. Ned: un-used surplus with minor defects. We buy and sell products in the following conditions.

Surplus product, in un-used condition, missing the original packaging. Product width : 4.00 in. Used product, no damage, may have cosmetic defects, be missing original packaging.

specifications genpurrelays:

• brand: National Controls Corporation
• mpn: Dmm-9999m-24m
• type: Relays
• weight: 5.60

seller genpurrelays:

• # reviews: 13359
• city: buffalo, new york
• rating: 99.9%

offer genpurrelays:

• in stock #: 2
• options: ship-to-home
• availability: in stock
• started: may 4, 2026
• best offers: true
• sold #: 13
• prices: $5.06–$7.19
• item condition:
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  • Good

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

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• policy: returns accepted
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