RS1A40D40E CARLO GAVAZZI Solid Relay

Review CARLO GAVAZZI 1pcs 40a 400v Solid State Relay

The Carlo Gavazzi RS1A40D40E is a solid-state relay (SSR) designed for heavy-duty industrial applications. This 1-piece SSR offers a current rating of 40A and a voltage rating of 400V, making it suitable for managing large electrical loads.

The RS1A40D40E is a compact and robust component, measuring 67.2mm x 63.2mm x 35.6mm (L x W x H) and weighing approximately 0.53 kg. Its solid-state design ensures reliable operation, as it eliminates the mechanical contacts that are prone to wear and failure in traditional relays.

This Carlo Gavazzi SSR features an AC contact with a contact voltage of 400V and a contact resistance of less than 50m . The coil voltage requirement is 110V AC or 230V AC, with a coil current of 0.3A and a coil power consumption of 33W.

The RS1A40D40E comes with a built-in overload protection function, which disconnects the load when the current exceeds the rated value to prevent potential damage. Additionally, it is equipped with a thermal protection function that disconnects the load when the ambient temperature reaches 70 C to ensure safe operation.

The SSR is easy to install and integrate into various control systems, thanks to its Normally Open (NO) contact configuration. It also features a high-visibility LED indicator that signals the status of the contact, which can be either ON or OFF.

The Carlo Gavazzi RS1A40D40E solid-state relay is designed to provide efficient and reliable electrical load management in industrial applications. Its solid-state design ensures long-lasting performance, while its built-in protection functions ensure safe operation under various conditions.

The Carlo Gavazzi RS1A40D40E is a 40A, 400V solid state relay (SSR). Solid state relays are electronic switching devices that do not have moving parts like traditional electromechanical relays. Here are some pros and cons of buying this particular model:

1. High Load Capacity: With a current capacity of 40A and a voltage rating of 400V, the RS1A40D40E can handle heavy loads, making it suitable for industrial applications.

2. Long Service Life: Solid state relays have no moving parts, which results in a longer service life compared to electromechanical relays.

3. Fast Switching: SSRs can switch on and off faster than electromechanical relays, which is beneficial in applications where quick response times are necessary.

4. Low Power Consumption: SSRs consume very little power when in the off state, making them an energy-efficient alternative to electromechanical relays.

5. Immunity to Electromagnetic Interference (EMI): SSRs are not susceptible to EMI, making them suitable for use in environments with high levels of electrical noise.

1. Cost: Solid state relays are generally more expensive than electromechanical relays with similar specifications.

2. Limited Current Surge Capacity: While SSRs can handle continuous current, they may not be able to handle large current surges as effectively as electromechanical relays.

3. Complex Wiring: SSRs require more complex wiring than electromechanical relays due to the need for an auxiliary power supply and control signals.

The Carlo Gavazzi RS1A40D40E is a high-performance solid state relay suitable for industrial applications that require heavy current handling and long service life. Its fast switching times, immunity to EMI, and energy efficiency are additional benefits. However, its higher cost compared to electromechanical relays and limited current surge capacity are drawbacks. Ultimately, the decision to purchase this relay will depend on the specific requirements of your application and your budget.

If your application requires a reliable, heavy-duty relay with fast switching times and long service life, and you have the budget for it, the Carlo Gavazzi RS1A40D40E is a good choice. However, if cost is a concern, or your application does not require the advanced features of an SSR, an electromechanical relay may be a more cost-effective alternative.

Details:

Delay resolution.

specifications genpurrelays:

• brand: Carlo Gavazzi
• mpn: Rs1a40d40e

seller genpurrelays:

• # reviews: 83
• city: flushing, new york
• rating: 98.8%

general genpurrelays:

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

offer genpurrelays:

• best offers: true
• prices: $15.03–$104.71
• item condition:
  • New
  • Used
• sold #: 16
• options: ship-to-home
• availability: in stock
• started: october 10, 2025

returns genpurrelays:

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

shipping genpurrelays:

• class: standard
• transit: 11-17 days
• service: standard
• type: fixed

payments genpurrelays:

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