COVID-19 Update (January 4th, 2021) — While our offices remain closed to the general public, Musson has resumed selected operations in compliance with county guidelinesNon-contact pickup remains available for customers who place their order online, by email, or by phone.

Most of our team continues to work remotely, and many employees are available through their direct extensionIn an emergency, please contact us at or by leaving a voicemail in our general mailbox.

Crydom Dual 40A Solid State Relay (SSR)

$130.00 each
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Solid State Relays (SSR) are the heart of many modern dimmers.  These SSR units switch on and off many times per second to "dim" the connected load.  Not to be confused with Pulse Width Modulation (PWM) Sine Wave Dimming, or Silicon Controlled Rectifiers (SCR).  We recommend double checking the part number on your existing unit before ordering.

  • Independently controlled dual output solid-state relay
  • Maximum Load Current: 40 Amps
  • Line Voltage Range: 24-280v AC
  • Control Voltage: 4-15v DC
  • Turn-On Time: 0.1 milliseconds  (Random-fire, non zero-crossing)
Model #D2440D-10
Our SKU98-501
Box L x W x H1.42" x 1.8" x 2.3"
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