HA4812 CRYDOM Solid Relay

Review CRYDOM Solid State Relay To 280vac 12a

The CRYDOM HA4812 is a versatile and robust solid-state relay specifically designed for heavy-duty applications. With an operating voltage range of 90-280VAC, this relay caters to a wide voltage spectrum, making it suitable for various industrial automation needs. The maximum current it can handle is 12 Amps on a 250VAC load, which is impressive in its class.

This solid-state relay employs an opto-isolated design, ensuring that the control signals and the controlled system remain electrically separated. This design feature is crucial for safety reasons in applications where galvanic isolation is necessary, such as handling hazardous materials or powering equipment in hazardous locations.

The contact rating of the CRYDOM HA4812 is 2500VAC, 5000 contacts, enabling it to handle heavy-duty loads with ease. The relay features two normally open (NO) and two normally closed (NC) contacts for flexible control options, allowing it to manage multiple applications requiring different contact configurations.

The solid-state design of the HA4812 brings numerous benefits, such as longer service life, higher reliability, zero contact bounce, and faster switching times compared to electromechanical relays. Furthermore, due to the absence of moving parts, the unit is less prone to wear and tear, ensuring longer operational times and decreased maintenance requirements.

Boasting a compact and robust construction, the HA4812 can withstand harsh environments, featuring a high temperature range (-20 C to 60 C) and an industrial-grade, epoxy-coated PCB that protects against moisture, dust, and vibrations.

A notable feature of the CRYDOM HA4812 is its instantaneous trip function, minimizing possible damages to connected equipment by automatically switching off the load if an overload condition or short circuit is detected. The relay is designed for hassle-free installation, with a quick-disconnect mechanism, and features status LED indicators for monitoring the relay's status (on/off) remotely.

In conclusion, the CRYDOM HA4812 is a high-performance, solid-state relay with an extensive voltage range, capacity to handle large currents, and reliable opto-isolation, making it suitable for heavy-duty industrial applications while ensuring safety and longevity in operation.

The Crydom HA4812 Solid State Relay (SSR) can be a suitable option for large power applications where traditional electromechanical relays are not preferred due to their high power consumption or contact bouncing issues. Here are some pros and cons of buying this particular SSR model:

1. High Load Capacity: With a maximum current load of 12 A and a voltage rating of 280 VAC, the Crydom HA4812 is suitable for heavy-duty applications.

2. Solid State Design: The solid-state construction of this SSR eliminates the mechanical switching elements, resulting in better reliability and a longer lifeship than electromechanical relays.

3. Low Power Consumption: SSRs consume significantly less power compared to electromechanical relays since they do not have contact bouncing, which translates to energy savings and reduced heat dissipation.

4. Compact Size: The HA4812 is a relatively compact device taking up minimal space in an electrical enclosure.

5. High Switching Frequency: This SSR can switch at a higher frequency, allowing for faster response times than electromechanical relays.

1. Cost: Solid-state relays are generally more expensive than traditional electromechanical relays due to their more advanced design and technology.

2. Complexity: SSR implementation requires more technical knowledge than electromechanical relays, making installation and configuration more challenging for those without a solid understanding of solid-state electronics.

3. Protection Circuitry: The HA4812 requires external protection circuits to prevent overload, overvoltage, and undervoltage conditions.

4. Limited Warranty: The Crydom HA4812 comes with a limited warranty of 12 months, whereas some competitors offer longer warranty periods.

1. If your application requires handling high loads and dealing with excessive heat or contact bouncing issues, this SSR offers a suitable solution.

2. SSRs consume less power than electromechanical relays.

3. Installation might require additional technical expertise and external protection circuits.

For heavy-duty applications where contact bouncing or rapid switching is a concern and space is limited, the Crydom HA4812 solid-state relay is an excellent choice. However, it is worth considering the added complexity, potential additional costs, and the need for external protection circuits. If the application does not require those features, consider alternatives with lower power demands or easier-to-implement relay solutions.

Details:

Receptacles. Electrical outlet's. Electrical boxes. Light industrial.

And enclosures. Crydom HA4812 solid state relay,90 to 280vac,12a: relay, electrical connection screw clamp, heat sink not included, input current 10 ma, voltage 90 280v ac, maximum output with 12 a, without switching mode zero crossing, range 48 530v standards ce compliant en60950-1, csa certified, ul listed, vde approved, switch component type scr, finger safe no, mounting panel, configuration form a details.

specifications genpurrelays:

• brand: Crydom
• mpn: Ha4812
• type: Industrial Control Automation Electrical Relays Solid State
• features: Solid State Relay, Electrical Connection Screw Clamp, Heat Sink Not Included, Input Current 10 Ma, Input Voltage 90 To 280v Ac, Maximum Output Current With Heat Sink 12 A, Maximum Output Current Without Heat Sink 10 A, Output Switching Mode Zero Crossing, Output Voltage Range 48 To 530v Ac, Standards Ce Compliant To En60950-1, Csa Certified, Ul Listed, Vde Approved, Switch Component Type Scr, Current Type Ac, Finger Safe No, Mounting Style Panel, Switch Configuration Form A
• item height: 3.000
• item length: 1.000
• item width: 1.900
• country/region of manufacture: Mx
• custom bundle: No
• weight: 0.2500

general genpurrelays:

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

seller genpurrelays:

• # reviews: 1215624
• rating: 99.5%
• city: USA

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• transit: 3-3 days
• class: standard
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offer genpurrelays:

• prices: $29.99–$81.35
• item condition: New
• started: january 15, 2025
• sold #: 22
• options: ship-to-home
• availability: in stock

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• method: money back
• paid by: seller
• time: 60 days
• policy: returns accepted