HE552A5028 HAMLIN Relays

Review HAMLIN Lot Of Relays

The Hamlin HE552A5028 relays, also known as 300555-1 and 7933, are a versatile and reliable solution for various switching applications. These electromechanical relays come with a compact size of 17.5mm x 22mm x 8mm, making them suitable for space-constrained designs.

The HE552A5028 relays offer a contact rating of 250VAC/6A at a maximum operating temperature of 60 C. They feature a form A, normally open (NO) contact configuration. This means that when the coil is not energized, the contacts are open and do not connect the load. When the coil is energized, the contacts close, allowing the load to be connected.

The relays have a gold-plated contact surface, which ensures excellent conductivity and longevity. They also come with a built-in overvoltage protection diode to prevent voltage spikes from damaging the coil. The operating current for the coil is 125mA at 12VDC, and the coil inductance is approximately 15mH.

The Hamlin HE552A5028 relays are easy to install and operate. They have a pull-in voltage of 125VAC at 50Hz or 135VAC at 60Hz, and a pull-out voltage of 55VAC at 50Hz or 65VAC at 60Hz. The relays have a low contact bounce, which ensures smooth and stable switching.

The relays come with a clear plastic cover that shields the contacts from dust and other debris, making them well-suited for industrial and commercial applications. They have a vibration resistance rating of 10G and a shock resistance rating of 50G, making them suitable for use in harsh environments.

In summary, the Hamlin HE552A5028 relays are a high-performance, compact, and reliable switching solution that offers excellent conductivity, robustness, and versatility for various applications. Their easy installation, stable operation, and built-in protection features make them a popular choice for designers and engineers in need of a dependable and efficient switching component.

The Hamlin HE552A5028 relays, specifically the 300555-1 7933 variant, are commonly used in various automation and control applications due to their versatility and reliability. However, like any other electrical component, they come with their own advantages and disadvantages.

1. High Load Capacity: These relays can handle a high current and voltage, making them suitable for heavy-duty applications.

2. Fast Switching Time: The relays have a fast switching time, which is essential in applications where quick response is required.

3. Robust Design: The Hamlin relays are known for their robust design, which makes them ideal for harsh environments.

4. Versatile: These relays can be used in various applications, including industrial automation, HVAC systems, and power distribution.

1. Size and Weight: Compared to other relays, the Hamlin HE552A5028 relays are larger and heavier, which can be a disadvantage in applications where space is limited.

2. Cost: These relays are more expensive than some other options in the market, which can be a consideration for budget-conscious buyers.

3. Complexity: The relays have multiple pins and require a proper wiring configuration, which can make installation more complicated than some other options.

The Hamlin HE552A5028 relays, 300555-1 7933 variant, offer several advantages, including high load capacity, fast switching time, robust design, and versatility. However, they also come with some disadvantages, such as size and weight, cost, and complexity.

If you require a reliable and robust relay for heavy-duty applications where quick response is essential, then the Hamlin HE552A5028 relays are an excellent choice. However, if you're working in a space-constrained environment or have a limited budget, you may want to consider alternative options with similar specifications but smaller size and lower cost. Ultimately, the decision depends on your specific application requirements and constraints.

Details:

For more details, please refer the photos included with listing. No other parts/accessories included. Lot of 8 Hamlin HE552A5028 relays 300555-1 7933, pulled from a used retired equipment, in untested condition, lot no further testing was performed on the units, since I don't have means to do so.

specifications genpurrelays:

• brand: Hamlin
• mpn: He552a5028

general genpurrelays:

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

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seller genpurrelays:

• rating: 99.7%
• city: glendale, arizona
• # reviews: 1291

offer genpurrelays:

• best offers: true
• options: ship-to-home
• in stock #: 1
• availability: in stock
• sold #: 18
• price: $39.98
• item condition: Used
• started: september 9, 2025

shipping genpurrelays:

• carrier: usps
• transit: 4-10 days
• class: standard
• type: calculated
• service: usps ground advantage

returns genpurrelays:

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