73744S LEACH Relay Amp

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The LEACH 73744S Relay is a versatile and reliable electronic switching component designed to handle up to 10 amperes of current. This 1-form-A, 12V DC coil operated relay is an essential addition to various electrical systems, providing the ability to control larger current circuits remotely.

The LEACH 73744S Relay is constructed from high-quality materials, ensuring durability and longevity. Its gold-plated contacts minimize resistance and provide excellent conductivity, reducing the risk of arcing and sparking. This feature is particularly beneficial when switching heavy loads or in applications where frequent switching is required.

This relay boasts a compact size, measuring 30.5mm x 10.5mm x 14.5mm (LxWxH), making it an excellent choice for space-constrained installations. The relay also features a transparent protective cover, which not only protects the internal components from external damage but also allows users to monitor the status of the contacts.

The LEACH 73744S Relay's switching mechanism operates quietly, making it suitable for applications where low noise levels are essential. It is also designed to handle inductive loads, allowing it to switch AC circuits without causing damage to the relay or the connected components.

The relay comes with a standard 3-pin configuration: IN for the control input, NO (Normally Open) for the normally open contact, and COM (Common) for the common connection. The relay is easy to install, requiring only a few wires and a screwdriver for mounting.

In summary, the LEACH 73744S Relay is a robust and efficient switching solution for applications requiring the ability to control heavier current circuits. Its gold-plated contacts, compact size, quiet operation, and ability to handle inductive loads make it a versatile and reliable choice for various electrical systems.

The 73744S relay by Leach is a 10-amp, normally open (NO) electromechanical switch designed for automotive applications. Here are some pros and cons that might help you decide whether to purchase this relay.

1. Suitable for high current applications: The 73744S relay can handle up to 10 amps of current, making it a good choice for powering heavy loads in automotive applications.

2. Robust design: Leach relays are known for their durability and reliability. The 73744S relay is no exception, with a copper contact material that provides excellent conductivity and a die-cast aluminum housing that protects against vibration and moisture.

3. Easy installation: The relay is designed to be easy to install, with a compact size and a standard automotive connector.

4. Normally open contact: The normally open contact design ensures that the relay is off when the coil is not energized, making it a safe choice for applications where you need to isolate the load from the control circuit.

1. Limited coil voltage range: The relay has a coil voltage range of 6-12V DC, which may not be suitable for all applications.

2. Non-adjustable contact bounce: The relay contacts have a certain degree of bounce when they open or close, which can cause interference in sensitive applications.

3. Higher cost compared to some other relays: The Leach 73744S relay is priced higher than some other 10-amp relays on the market.

In conclusion, the Leach 73744S relay is a reliable and robust choice for automotive applications that require a 10-amp switch. Its high current capacity, durability, and easy installation make it an attractive option. However, its limited coil voltage range and higher cost compared to some other relays are potential drawbacks. Ultimately, the decision to purchase this relay depends on the specific requirements of your application and your budget. If the relay's advantages align with your needs, then it may be a worthwhile investment. If not, there are other options available in the market that may better suit your needs.

Details:

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specifications genpurrelays:

• brand: Leach
• mpn: 73744s
• type: Power Relay
• maximum amperage: 10 Amp

general genpurrelays:

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

offer genpurrelays:

• in stock #: 2
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• prices: $20.00–$25.99
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  • New
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• started: june 14, 2026
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• availability: in stock

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