Check the listing for details. Silicon Controlled Rectifier Phasetronics EZ1-4825-F SCR Power Control NOS. Condition: New – Open box. Listed at 62.97 USD. You are bidding on: Phasetronics Silicon Controlled Rectifier SCR Power Control EZ1-4825-FThe Phasetronics EZ1 Series SCR is a silicon controlled rectifier (SCR) power control that can accept analog signals, unlike SSCs. Phasetronics EZ1 Series SCRs are high performance switching devices capable of fast, precise control of the power delivered to the load. The Phasetronics EZ1 Series SCR controls power by either phase angle firing or zero cross variable time base (burst) firing.The Phasetronics EZ1 Series SCR features Zero Firing (variable time base) SCR power controls, which combine low cost with microprocessor technology. Available in a single phase version, the Phasetronics EZ1 Series SCR has a rapid-cycle control technique with on-to-on cycle time ranging from 16 to 48ms, thus improving the heater element life. Zero-voltage switching virtually eliminates EMI/RFI. Phasetronics EZ1 Series SCRs can be controlled by a milliamp input for manual operation such as 0-5 and 4-20mA, or a 10V DC input or by a 10KW potentiometer. It is new old stock that came from a surplus auction. Comes in original box. Box has wear from storage on shelf. Please see all photos and ask any questions BEFORE purchasing."FREE SHIPPING"Please check back on a regular basis, as I list new items daily!HAPPY BIDDING!51718/db warehouse 12-27-21db (16M)