3X749N DAYTON General Power Relay Amp Coil

Review DAYTON General Purpose Open Power Relay 40coil 24vdc

The Dayton 3x749N General Purpose Relay is a versatile and powerful electrical component ideal for a wide range of applications. This relay is a 4-pole, 3-position, 2-way switching device, offering 40 contacts in total. It's designed for use with AC or DC operating voltages and can handle up to 24V DC.

The heart of this relay is its 40-ampere coil, which provides ample current handling capacity to operate the relay. The coil requires 24 volts DC for activation, making it suitable for use with most standard power supplies. Its size is compact, making it well-suited for integration into various control systems.

The 3x749N General Purpose Relay features both normally open (NO) and normally closed (NC) contacts. The normally open contacts close when the relay is activated, and once activated, the coil is de-energized, returning the contacts to their normally open state. Normally closed contacts function in the opposite manner, opening when the relay is activated and closing when the coil is de-energized. Each contact can support a current of up to 15 amps at 125V AC or 30V DC maximum, allowing it to handle various types of loads.

In terms of build quality and durability, this relay has a robust design to ensure reliable operation. It consists of silver-plated contacts for effective electrical conductivity and a clear, themoplastic casing that protects the internal components. The contacts are rated for a 10,000,000 continuous duty cycle, ensuring long-term performance and minimal wear.

The 3x749N General Purpose Relay's switching mechanism is quiet and vibration-resistant due to its solid state design. This makes it an excellent choice for applications where low noise levels are essential. Moreover, the relay has a high contact bounce rate of

In summary, the Dayton 3x749N General Power Relay is a high-performance, versatile, and durable electrical switch capable of handling 40 amps at 24V DC and supporting up to 40 contacts. It's suitable for use in various applications that require AC or DC voltage and offers both normally open and normally closed contacts. Its robust, noise-reducing design, high contact bounce rate, and long contact life make it an excellent investment for any electronics project or control system.

The Dayton Audio 3X749N General Purpose Relay is a 24VDC, 40 Amp coil relay that can be used in various applications. Here are some pros and cons to help you make an informed decision about whether or not to buy this relay:

1. High Current Capability: The relay can handle a maximum current of 40 Amps, making it suitable for applications requiring heavy currents.

2. Multi-Pole Contact Design: The Dayton 3X749N relay has a form C contact design, which can handle multiple contacts in series or parallel configurations.

3. Compact size: The relay is relatively small in size, measuring 5.5 x 3.5 x 1.7 inches, making it easy to install in tight spaces.

4. Affordable: The Dayton 3X749N relay is priced competitively compared to similar relays from other manufacturers.

1. Manual Operation: This relay is not a solid-state relay, meaning it requires an external coil for operation. This may not be ideal for applications requiring zero-contact switch operation.

2. Susceptible to Wear: Mechanical relays like this one are prone to wear and tear over time, which can lead to contact resistance and potential failure.

3. Loud Operation: The relay may produce an audible click or buzz when it is activated, which can be disruptive in some applications.

4. Limited Condition Sensing: Unlike some other relays, the Dayton 3X749N does not have any built-in condition sensing capabilities, which can be a disadvantage in certain applications where it is necessary to monitor the status of the coil or contacts.

The Dayton Audio 3X749N General Purpose Relay is a solid choice for applications requiring heavy currents and multi-pole contacts, but it may not be the best option for applications requiring solid-state relay performance, quiet operation, or condition sensing capabilities. Ultimately, the decision to buy this relay depends on the specific requirements of your application and your budget.

If you need a high current, multi-pole relay for a non-critical application and are on a budget, then the Dayton Audio 3X749N General Purpose Relay is a good option to consider. However, if you require zero-contact switch operation, quiet operation, condition sensing capabilities, or a solid-state relay, you may want to look for alternative options that better fit your needs.

Details:

Coil: 28vdc / 300vac 50/60hz. 40 / 8 pin.

specifications genpurrelays:

• brand: Dayton
• mpn: 3x749n
• mounting style: Surface
• maximum amperage: 40 A
• current rating: 31-40 A
• type: Power Relay
• current type: Ac
• coil voltage: 21-30 V
• number of pins: 8-pin
• unit quantity: 1-27-2025-g. Pol. C.-a/c-1 Pc

seller genpurrelays:

• city: kent, washington
• rating: 100.0%
• # reviews: 2426

offer genpurrelays:

• started: january 27, 2025
• prices: $31.49–$55.00
• item condition: New
• availability: in stock
• in stock #: 2
• best offers: true
• sold #: 21
• options: ship-to-home

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• paid by: buyer
• method: money back
• time: 30 days
• policy: returns accepted

general genpurrelays:

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

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