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Review:

Relays

overall review score: 4.3
score is between 0 and 5
Relays are electrical switches that control circuits by opening and closing contacts in response to an electrical signal. They are commonly used in a variety of applications to control high-power devices with low-power signals.

Key Features

  • Control circuits
  • High power switching capability
  • Low power input signal

Pros

  • Versatile in application
  • Reliable operation
  • Provide isolation between circuits

Cons

  • Can be bulky compared to solid-state relays
  • Limited lifespan due to mechanical wear

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Last updated: Sun, Mar 22, 2026, 01:52:37 PM UTC