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Top rated solid state relays

AI-generated summary · updated July 28, 2026 · verify details before purchase.

  1. Omron G3NA-490B 4-20mA DC Input Solid State Relay
    Best overall OMRON Industrial Automation

    Omron G3NA-490B 4-20mA DC Input Solid State Relay

    4.7/5 $50.00

    High reliability and performance for industrial applications; widely used for its robust design and precise control.

    • Excellent build quality
    • Wide input voltage range
    • Long operational life
    • Higher price point
  2. Crydom D2425 25A DC Control Solid State Relay
    Best value Crydom

    Crydom D2425 25A DC Control Solid State Relay

    4.6/5 $57.35

    Trusted brand offering dependable switching for resistive and inductive loads; good balance of cost and performance.

    • Reliable switching
    • Compact size
    • Good heat dissipation
    • Limited to 25A
  3. Panasonic AQH2223 0.6A Solid State Relay
    Best budget pick Panasonic

    Panasonic AQH2223 0.6A Solid State Relay

    4.5/5 $19.00

    Low-cost option for light loads; suitable for signal switching and low-power applications.

    • Very affordable
    • Small form factor
    • Low input current
    • Low current rating
    • Not for heavy loads
  4. Schneider Electric SSR 25A 3-32 VDC Input Solid State Relay
    Best for industrial automation CGELE

    Schneider Electric SSR 25A 3-32 VDC Input Solid State Relay

    4.4/5 $9.90

    Rugged relay for harsh environments; features built-in protection and wide compatibility.

    • Industrial-grade durability
    • Integrated protection
    • Easy installation
    • Slightly bulky
  5. Fotek SSR-40 DA 40A DC Control Solid State Relay
    Best for temperature control TWTADE

    Fotek SSR-40 DA 40A DC Control Solid State Relay

    4.3/5 $12.99

    Popular choice for heater and temperature controller systems; offers good value for high current applications.

    • High current capacity
    • Cost-effective
    • Good for PWM control
    • Build quality varies
    • No fuse included
  6. Sensata/Crydom HA4850 50A AC Solid State Relay
    Best for heavy loads Crydom

    Sensata/Crydom HA4850 50A AC Solid State Relay

    4.6/5 $98.89

    High-current relay with excellent thermal management; ideal for motors, heaters, and large inductive loads.

    • High current rating
    • Superior heat dissipation
    • Robust housing
    • Expensive
    • Large size
  7. AVRPL 40A Single Phase Solid State Relay
    Best budget high-current CGELE

    AVRPL 40A Single Phase Solid State Relay

    4.2/5 $14.59 Only 7 left

    Affordable option for DIY and light industrial use; adequate for most common switching needs.

    • Low price
    • Decent current rating
    • LED indicator
    • No brand reputation
    • Inconsistent quality

Buying advice

When selecting a solid state relay, consider the load type (resistive vs. inductive), voltage and current requirements, input control voltage, and necessary switching speed. Ensure the relay is rated for the worst-case current and consider heat sinking for continuous high-current operation. Brand reliability and certifications (e.g., UL, CE) are also important for industrial use.

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