A4850 CRYDOM Solid Relay

Review CRYDOM Solid-state Relay To 530 Rms

The Crydom A4850 Solid-State Relay (SSR) is a high-performance and reliable switching solution for various applications. This particular SSR is identified by the part number 80 530 4873.

The Crydom A4850 is a 5A, 250VAC, single-phase, solid-state relay. It's designed to provide a reliable and maintenance-free alternative to mechanical relays, with the added benefits of faster switching times and higher operational reliability. The SSR operates at an ambient temperature range of -40 C to 85 C, making it suitable for use in various industrial environments.

The A4850 features a low on-state resistance of 0.18 , which results in minimal power loss and improved efficiency. It has a maximum switching frequency of 100 kHz and a maximum switching time of 250 s, making it suitable for applications where fast switching is required. The SSR also offers a high level of electrical isolation, with a minimum insulation resistance of 100 M .

The Crydom A4850 is designed with a compact and robust housing, which measures 36.6 mm x 26.2 mm x 13.4 mm. It has a screw terminal design, which makes it easy to install and connect to various types of wiring. The SSR also features an LED indicator, which provides visual confirmation of its status.

The A4850 is also equipped with a built-in snubber circuit, which protects it from voltage spikes and surges that may be present in the AC line. This feature helps to ensure a longer lifespan and improved reliability of the SSR.

In summary, the Crydom A4850 Solid-State Relay (part number 80 530 4873) is a high-performance and reliable switching solution, suitable for various industrial applications. It features fast switching times, high operational reliability, and a compact and robust housing design. With its low on-state resistance, high switching frequency, and built-in snubber circuit, the A4850 offers a cost-effective and efficient alternative to mechanical relays.

Pros and Cons of Buying Crydom A4850 Solid-State Relay (80-530-4873)

The Crydom A4850 Solid-State Relay (SSR) with part number 80-530-4873 is a popular choice for automation projects due to its high power handling capacity and solid-state design. In this analysis, we will discuss the key advantages and disadvantages of using this particular SSR:

1. Solid-State Design: The primary advantage of a solid-state relay over a traditional electromechanical relay is its longer lifespan, faster response time, and lower power consumption. These features make the Crydom A4850 an excellent choice for applications requiring frequent switching, especially in industrial settings.

2. High Power Handling Capacity: With a maximum current capacity of 5A and a voltage rating of 400V, the Crydom A4850 can handle heavy loads, making it suitable for controlling high power devices such as motors, heaters, and solenoids.

3. Isolated Output: The SSR maintains electrical isolation between the control and load circuits, preventing signal interference and protecting the control circuit from high voltage surges.

4. Compact Size: The Crydom A4850 is a compact device, measuring only 2.1 x 1.7 x 0.9 inches (53 x 43 x 23mm), making it easy to install in confined spaces.

5. Wide Operating Temperature Range: The SSR can operate in temperatures ranging from -40 C to 125 C (-40 F to 257 F), making it suitable for use in various environments.

1. Cost: Compared to electromechanical relays, solid-state relays like the Crydom A4850 tend to be more expensive. The increased cost may not be justifiable for low-power applications where the benefits of a solid-state design may not be significant.

2. Limited Switching Frequency: The Crydom A4850 has a maximum switching frequency of 10kHz, which may not be suitable for applications requiring fast switching.

3. Requires External Snubber Circuits: To protect the SSR from voltage spikes and electromagnetic interference, external snubber circuits are required. The addition of these extra components increases the overall complexity and cost of the system.

The Crydom A4850 Solid-State Relay (80-530-4873) offers several advantages such as a solid-state design, high power handling capacity, electrical isolation, compact size, and wide operating temperature range. However, it also has some disadvantages, including a higher cost and limited switching frequency. The decision to use the Crydom A4850 depends on the specific requirements of the application, including power handling capacity, switching frequency, and environmental conditions. If the application requires heavy loads, fast response times, and electrical isolation, the Crydom A4850 is an excellent choice. However, if the application has lower power requirements or does not necessitate the benefits of a solid-state design, a traditional electromechanical relay may be more cost-effective.

Based on the discussion above, I would recommend the Crydom A4850 Solid-State Relay for applications that require heavy power handling capacity, fast response times, and electrical isolation. These applications may include industrial automation, HVAC systems, and motor control systems. However, for applications with lower power requirements or where the benefits of a solid-state design may not be significant, a traditional electromechanical relay may be a more cost-effective option. Ultimately, the choice between the Crydom A4850 and an electromechanical relay depends on the specific requirements and constraints of the application.

Details:

Special instructions. Used -attached to heat sink. Most items are in stock when they listed. Manufacturer part number: A4850.

Crydom A4850 solid-state relay, 80 to 530 v rms manufactured by Crydom. 2-year MRI shield protection plan included. Crydom A4850 solid-state relay, 80 to 530 v rms at 47 63 Hz, solid state, 800 peak. The product must be the original item shipped, with matching serial numbers if applicable.

specifications genpurrelays:

• brand: Crydom
• mpn: A4850

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• options: ship-to-home
• started: october 11, 2025
• prices: $16.74–$104.21
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• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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