CKRD4820 CRYDOM Solid Relays

Review CRYDOM Count Solid State Relays

Crydom CKRD4020 Solid State Relays are a versatile and reliable solution for various electrical control applications. These relays are designed and manufactured by Crydom, a well-known name in the industry for their high-quality and durable products.

The CKRD4020 is a normally-off, optically-isolated, solid-state relay. It operates on a 24VDC input voltage and can handle up to 20A of current at its output. The relay is designed to switch up to 1000VAC or 300VDC, making it suitable for a wide range of applications, including industrial automation, energy management, and control systems.

The relay features a compact size, measuring only 29.6mm x 29.6mm x 10.6mm, making it easy to integrate into various systems. It is also designed with a high degree of isolation, with an optical-isolation barrier of 4kV between the control and the switching circuits, ensuring safety and reliability in operation.

The CKRD4020 is built using Crydom's proprietary Silicon-Controlled Rectifier (SCR) technology, which provides fast switching times and low power consumption. The relay has a typical switching time of less than 100 microseconds, ensuring quick response to control signals.

The relay is also designed with a built-in thermal protection feature, which monitors the temperature of the device and shuts it down if it exceeds the safe operating temperature. This feature helps to prevent overheating and ensures the longevity of the relay in operation.

In conclusion, the Crydom CKRD4020 Solid State Relay is a reliable and high-performance solution for various electrical control applications. Its compact size, high isolation, fast switching times, and built-in thermal protection make it an ideal choice for industrial automation, energy management, and control systems. With its robust design and high-quality construction, the CKRD4020 is built to deliver reliable performance over a long period.

1. High reliability: Solid state relays (SSRs) like the Crydom CKRD4820 are known for their high reliability and long lifespan compared to traditional mechanical relays.

2. Fast switching speed: SSRs have a much faster switching speed than mechanical relays, making them suitable for applications that require quick on/off control.

3. No contact bounce or wear: SSRs do not have physical contacts that can wear out or bounce, which can lead to erratic switching behavior in mechanical relays.

4. High power handling: The Crydom CKRD4820 can handle up to 40A of continuous current and 100A of peak current, making it suitable for high power applications.

5. Compact size: SSRs are generally smaller than mechanical relays, making them easier to integrate into electronic circuits.

1. Higher cost: SSRs, including the Crydom CKRD4820, are generally more expensive than mechanical relays.

2. Limited voltage rating: The Crydom CKRD4820 is rated for a maximum voltage of 600V, which may not be suitable for all applications.

3. Limited coil voltage: The Crydom CKRD4820 requires a coil voltage of 5V to 24V, which may require additional power supplies or drivers.

4. Limited switching frequency: SSRs have a limited switching frequency compared to mechanical relays, which may not be suitable for high-frequency applications.

The Crydom CKRD4820 is a high-quality solid state relay that offers several advantages over traditional mechanical relays, including high reliability, fast switching speed, and no contact bounce or wear. However, it is also more expensive and has a limited voltage and coil voltage rating. If you require a reliable and fast-switching relay for a high power application, the Crydom CKRD4820 may be a good choice. If cost or voltage/coil voltage requirements are a concern, you may want to consider other options.

If you require a high-power, high-reliability relay with fast switching speed, the Crydom CKRD4820 is a good option to consider. However, it is essential to ensure that the voltage and coil voltage requirements are suitable for your application. If cost is a concern, you may want to consider other options with lower power ratings or consider using a mechanical relay with appropriate design considerations to achieve the required reliability and switching speed.

Details:

Ll-b-box 276. 3 used working Crydom solid state relays. Part number CKRD4820.

specifications genpurrelays:

• brand: Crydom
• mpn: Ckrd4820
• custom bundle: No
• item length: 4.400
• depth: 4.300
• item height: 1.300
• features: Solid State Relay, Electrical Connection Box Clamp, Heat Sink Integral, Input Current 8 To 12 Ma, Input Voltage 4 To 32v Dc, Maximum Output Current With Heat Sink 30 A, Maximum Output Current Without Heat Sink 30 A, Output Switching Mode Random/instantaneous, Output Voltage Range 24 To 280v Ac, Standards Ce Certified, Csa Lr81689, Designed In Accordance With The Requirements Of Iec 62314, Rohs Compliant, Ur E116950, Vde 129156, Switch Component Type Scr, Current Type Dc, Finger Safe Yes
• weight: 0.6500
• type: Industrial Control Automation Electrical Relays Solid State

returns genpurrelays:

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

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• city: endicott, new york
• # reviews: 9502
• rating: 100.0%

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• transit: 4-8 days
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• type: calculated

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general genpurrelays:

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

offer genpurrelays:

• sold #: 35
• best offers: true
• options: ship-to-home
• availability: in stock
• in stock #: 5
• started: january 28, 2024
• prices: $72.21–$92.10
• item condition:
  • New – Open box
  • New
  • Used