7521D-752ID HAMLIN Solid Relay Coil

Review HAMLIN 7521d/752id Solid State Relay 120vac 10a 32vdc Coil Tested

The Hamlin 7521D/752ID Solid State Relay is a versatile and reliable electrical component designed for various applications. This model is a 120VAC input, 10A output device, making it suitable for controlling medium current loads. The solid state design ensures long-lasting performance and eliminates the need for maintenance associated with traditional electromechanical relays.

The Hamlin 7521D/752ID features a 32VDC coil, which is significantly lower than the voltage required for conventional relays. This reduction in coil voltage results in energy savings and a smaller carbon footprint. The relay also boasts an impressive switching frequency of up to 40kHz, enabling fast response times and efficient control of your electrical system.

The Hamlin 7521D/752ID is built with high-quality components, ensuring robustness and durability. Its solid state construction offers numerous advantages over traditional relays, such as reduced size, improved switching speed, and enhanced immunity to electromagnetic interference. Additionally, this solid state relay is ideal for applications where minimal noise emission is required.

The Hamlin 7521D/752ID comes with various protection features, including over temperature protection and overload protection, which safeguards the relay from potential damages. The device also features opto-isolated inputs, ensuring electrical isolation between the control circuit and the load, thus enhancing safety and reliability.

In summary, the Hamlin 7521D/752ID Solid State Relay is a top-tier electrical component designed for controlling medium current loads in a variety of applications. Its solid state design offers numerous advantages, including long-lasting performance, fast response times, and enhanced immunity to electromagnetic interference. With its energy-efficient 32VDC coil, impressive switching frequency, and built-in protection features, this relay is a smart choice for any electrical system seeking reliable and efficient control.

The Hamlin 7521D/752ID solid state relay is a 120VAC input, 10A load capacity device with a 32VDC coil. Solid state relays (SSRs) are electronic switching devices that offer several advantages over traditional electromechanical relays. Here are some pros and cons of buying a Hamlin 7521D/752ID:

1. Longer lifespan: SSRs do not have moving parts like traditional relays, which reduces wear and tear and increases the overall lifespan of the device.

2. Faster response time: SSRs can switch on and off much faster than electromechanical relays, making them ideal for applications that require quick switching.

3. Reduced noise and vibration: Since SSRs do not have mechanical contacts, they produce less noise and vibration compared to relays.

4. Compact size: SSRs are usually smaller in size than traditional relays, making them easier to install in tight spaces.

5. Lower power consumption: SSRs consume less power than electromechanical relays because they do not require a separate power source for the coil.

1. Higher upfront cost: SSRs can be more expensive than traditional relays, especially for high power applications.

2. Limited surge capacity: SSRs may not be able to handle inrush currents or voltage spikes as well as traditional relays.

3. Limited operating temperature range: SSRs have a limited operating temperature range, which may not be suitable for all applications.

In conclusion, the Hamlin 7521D/752ID solid state relay offers several advantages over traditional electromechanical relays, including longer lifespan, faster response time, reduced noise and vibration, smaller size, and lower power consumption. However, it also has some limitations, such as a higher upfront cost, limited surge capacity, and limited operating temperature range.

If you require a reliable switching device with quick response times, long lifespan, and low power consumption, the Hamlin 7521D/752ID solid state relay is a good choice. However, if you need to handle high surge currents or operate in extreme temperatures, you may want to consider a traditional relay or a different type of solid state relay. Ultimately, the decision depends on the specific requirements of your application.

Details:

Hamlin 7521D / 752ID solid state relay, rated for 120vac at 10 amps with a 3 32 vdc control coil. Item details: manufacturer: Hamlin, model: 7521D / 752ID, type: solid state relay SSE, load voltage : 120 vac, current: 10 amp, control 3 32 vdc, part reference #: 122h117 co, condition: tested and working, condition notes: used industrial electronic component, light cosmetic wear from previous use, no cracks, burns, or functional defects observed, ideal for: industrial automation systems, panels plc applications, replacement SSE for compatible equipment, electronics repair maintenance unit has been tested is in working condition. This relay is suitable for industrial automation, control panels, and electronic switching applications.

specifications genpurrelays:

• brand: Hamlin
• mpn: 7521d/752id
• part type: Coil

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• city: tulsa, oklahoma
• # reviews: 294
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offer genpurrelays:

• prices: $11.99–$13.00
• item condition: Used
• started: january 31, 2026
• sold #: 14
• in stock #: 3
• options: ship-to-home
• availability: in stock

general genpurrelays:

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