155139-2 DAVIS ELECTRIC COMPANY Pin Relay

Review DAVIS ELECTRIC COMPANY Vintage Co. Pin Relay

The Davis Electric 155139-2 DDH-4004 is a versatile and reliable 14-pin form C, SPDT (Single Pole Double Throw) relay. This heavy-duty component is designed to handle inductive loads and can be used in various applications, including HVAC systems, security alarms, and automotive electronics.

The DDH-4004 measures 3.3 inches long, 1.6 inches wide, and 1.1 inches high, making it a compact yet robust solution for controlling electrical circuits. It has 14 pins arranged in four groups, enabling it to accommodate a wide range of wiring configurations.

The relay contacts can handle up to 40 amps of current at 125 volts AC or 30 amps at 24 volts DC. Its coil can handle up to 1.1 amps at 12 volts DC. The contacts are gold-plated to ensure excellent conductivity and long-lasting performance.

The DDH-4004 is designed with a latching action, meaning it stays in the position it's switched to until the coil is energized again. It also features a built-in overload protector, which helps prevent damage to the relay caused by excessive current.

This Davis Electric relay is designed to operate in temperatures ranging from -40 F to 158 F (-40 C to 70 C), making it suitable for use in various environments. It has a low coil resistance of 29 ohms, allowing for quick response times.

The DDH-4004 comes with a molded, flame-retardant case that protects it from dust, moisture, and other harsh conditions. It also has a clear cover over the coil and contacts, making it easy to inspect the components without removing the relay from the application.

This Davis Electric 14-pin form C, SPDT relay is a high-performance and dependable solution for controlling electrical circuits in various applications. Its compact size, multiple wiring configurations, and robust construction make it an ideal choice for DIY projects or industrial applications.

The Davis Energy Products 155139-2 DDH-4004 is a 14-pin DC coil relay with a rating of 400V DC and 20A. Here are some pros and cons that may help you decide if this relay is the right choice for your project.

1. High voltage and current rating: This relay is suitable for high voltage DC applications, making it a good option for industrial or heavy-duty projects.

2. 14-pin configuration: The 14-pin configuration allows for more versatility in wiring and control of the relay.

3. Robust construction: The Davis DDH-4004 relay is built with a heavy-duty, corrosion-resistant housing, ensuring longevity in harsh environments.

1. Size and weight: Compared to smaller relays, the Davis DDH-4004 is larger and heavier, which may require additional space and mounting considerations.

2. Cost: This relay is more expensive than some other options on the market, which may be a consideration for budget-conscious projects.

In conclusion, the Davis Energy Products 155139-2 DDH-4004 14-pin relay is a robust and reliable option for high voltage DC applications that require a 14-pin configuration. Its heavy-duty construction ensures longevity in harsh environments, but its larger size, weight, and higher cost may be drawbacks for some projects. Ultimately, the decision to purchase this relay will depend on the specific requirements of your project and your budget.

If you are looking for a reliable and robust high voltage DC relay with a 14-pin configuration, then the Davis DDH-4004 may be the right choice for you. However, if size, weight, or cost are major considerations, you may want to explore other options on the market.

Details:

Davis Electric relay in good condition but has not been tested.

specifications genpurrelays:

• brand: Davis Electric Company
• mpn: 155139-2
• model: Ddh-4004
• part type: Pin
• number of pins: 14-pin

shipping genpurrelays:

• transit: 5-11 days
• service: usps ground advantage
• class: standard
• type: calculated
• carrier: usps

general genpurrelays:

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

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• policy: no returns

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seller genpurrelays:

• # reviews: 964
• rating: 100.0%
• city: millsap, texas

offer genpurrelays:

• price: $15.00
• item condition: Used
• started: may 9, 2026
• best offers: true
• options: ship-to-home
• sold #: 8
• availability: in stock