1. General Purpose Relays Items
  2. sku: 13324723810099682
  3. CRYDOM A1225

A1225 CRYDOM Solid Relay Vt

A1225 CRYDOM Solid Relay Vt
Product Information
BrandCRYDOM
Manufacturer Part NumberA1225

Review CRYDOM Solid-state Relay 120 New Vt

The Crydom A1225 is a solid-state relay (SSR) designed for heavy-duty applications, offering superior performance and reliability compared to traditional electromechanical relays. This SSR is rated for a control voltage of 120VAC and a load voltage of up to 25VDC or 48VAC, making it an excellent choice for various industrial automation and control systems.

The Crydom A1225 is a 2-channel, latching type SSR, which means it remains in the last state the control input was applied. Each channel can handle a maximum load current of 25A at 25 C, with a maximum power dissipation of 625W per channel. The relay contacts are rated for a contact capacity of 10 8 cycles, ensuring long-lasting operation in even the most demanding environments.

The A1225 is designed with a high-speed response, achieving a contact making time of just 15 s and contact breaking time of 30 s. This quick response time is essential in applications requiring fast switching, such as motor control or power distribution. The SSR also features a low on-state contact resistance of 0.005 and an off-state contact resistance of 100 , ensuring minimal power loss when the relay is in the on state.

The A1225 is built with high-quality components, including a robust silicon-controlled rectifier (SCR) and a high-reliability opto-isolator. The SSR also features an integrated heatsink, allowing it to dissipate heat effectively and maintain stable operation in high temperature environments. The device is sealed against ingress of solid particles, making it suitable for use in harsh industrial conditions.

The A1225 is simple to integrate into various control systems, thanks to its easy-to-use screw terminal connections. The relay also comes with a built-in LED indicator, which shows the status of each channel. Additionally, the SSR is RoHS compliant and has a wide operating temperature range of -25 C to 70 C.

In summary, the Crydom A1225 solid-state relay is a robust and reliable solution for heavy-duty applications where fast switching, high power handling, and long-lasting performance are essential. Its superior characteristics, including quick response times, high contact capacity, and integrated heatsink, make it an ideal choice for various industrial automation and control systems.

Pros and Cons of Buying Crydom A1225 Solid-State Relay (120V, 25A)

The Crydom A1225 is a popular choice for those in need of a reliable and high-performing solid-state relay (SSR). In this analysis, we will discuss the key advantages and disadvantages of purchasing this particular model.

Pros:

1. High Current Capability: The Crydom A1225 can handle up to 25 Amperes of current, making it ideal for applications that require heavy load switching.

2. Voltage Range: With a voltage range of 120V, this SSR can be used in a wide variety of industrial and commercial applications.

3. Solid-State Design: Unlike traditional mechanical relays, the Crydom A1225 is a solid-state relay. This means it does not have any moving parts, resulting in a longer lifespan and reduced wear and tear.

4. Fast Switching: Solid-state relays, in general, have faster switching times compared to mechanical relays. The Crydom A1225 boasts a typical switching time of just 15 microseconds, ensuring quick response times.

5. Low Power Consumption: This SSR consumes very little power when in the standby mode, making it an energy-efficient choice for those seeking to minimize their energy usage.

Cons:

1. Cost: The Crydom A1225 is more expensive than some other solid-state relays or mechanical relays with similar specifications.

2. Complex Installation: Compared to mechanical relays, installing a solid-state relay can be more complex due to the need for additional components like snubber circuits and gate drive circuits.

3. Gate Drive Requirements: The Crydom A1225 requires a dedicated gate driver circuit for proper operation. This additional component may increase the overall cost and complexity of the project.

4. Limited Overload Capability: Although the Crydom A1225 can handle up to 25 Amperes of current, it has a limited overload capacity. Exceeding the recommended current for an extended period can damage the relay.

Conclusion:

The Crydom A1225 solid-state relay offers several advantages, such as high current handling capability, a wide voltage range, fast switching times, and low power consumption. However, it also comes with some disadvantages, such as a higher cost, complex installation, gate drive requirements, and limited overload capability.

Despite these cons, the Crydom A1225 can be an excellent choice for applications that require fast, reliable, and efficient load switching in industrial or commercial settings. The investment in a more expensive and complex setup can lead to long-term savings through increased reliability, reduced maintenance, and energy efficiency.

Recommendation:

If you're looking for a solid-state relay with a high current capacity, fast switching times, and a wide voltage range, the Crydom A1225 is definitely worth considering. Be prepared for the additional costs and complexities associated with its installation and gate drive requirements. If the application does not require such high specifications or if a lower cost and simpler solution is preferred, other solid-state relays or mechanical relays may be more suitable.

Details:

This listing is for qty.1 Crydom solid state relay, part# A1225 input: 90-280vac output: 120vac / 25a, these items are new, never used or installed. Feel free to contact me with any questions, and check my other listings for similar items. Buyer receives free USPS ground advantage shipping. Discount available for multiple quantity purchase.

specifications genpurrelays:

  • brand: Crydom
  • mpn: A1225

returns genpurrelays:

  • policy: no returns

shipping genpurrelays:

  • carrier: usps
  • type: calculated
  • service: usps ground advantage
  • transit: 5-11 days
  • class: standard

payments genpurrelays:

  • credit card: discover
  • other
  • wallet: google-pay

seller genpurrelays:

  • # reviews: 1514
  • rating: 100.0%
  • city: luther, oklahoma

general genpurrelays:

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

offer genpurrelays:

  • availability: in stock
  • options: ship-to-home
  • sold #: 10
  • started: december 4, 2025
  • prices: $6.04–$20.00
  • item condition:
    • New
    • New – Open box
    • Used
  • best offers: true
rating: 100.0% out of 100 based on 514 user ratings.
Similar Items:
genpurrelays logo
5 offers $6.04–$20.00 USD
  • New. USA Seller
  • New – Open box. USA Seller
  • Used. USA Seller
  • New – Open box. AE Seller
  • New – Open box. USA Seller
© genpurrelays.com